Step Drills
![[DWC] — SD01H5-020 Step Drill](https://img.prosourcemro.com/2026/05/1252557-1-300x300.jpg)
DWC SD01H5-020 Step Drill is a multi-diameter step drill designed to bore progressively sized holes in a single operation, sourced direct from Korea. Step drills like this are widely used in sheet metal fabrication, electrical panel work, and HVAC installations where clean, burr-free holes of varying diameters are needed without tool changes. Request a quote today for export-ready supply of DWC cutting tools at competitive pricing through a KITA-registered Korean exporter.
DWC SD01H5-020 Step Drill is a multi-diameter step drill designed to bore progressively sized holes in a single operation, sourced direct from Korea. Step drills like this are widely used in sheet metal fabrication, electrical panel work, and HVAC installations where clean, burr-free holes of varying diameters are needed without tool changes. Request a quote today for export-ready supply of DWC cutting tools at competitive pricing through a KITA-registered Korean exporter.
| Product Code | Description | Brand | Spec | |
|---|---|---|---|---|
| 338-0864 | SD01H5-020 | DWC | M2*90° | Spec: 2 | Overall Length: 45 | d1: 2.2 | d2: 4.6 | Shank Diameter: 4 | Small Diameter Length: 6 | |
| 338-0873 | SD01H5-025 | DWC | M2.5*90° | Spec: 2.5 | Overall Length: 45 | d1: 2.7 | d2: 5.7 | Shank Diameter: 5 | Small Diameter Length: 7 | |
| 338-0882 | SD01H5-030 | DWC | M3*90° | Spec: 3 | Overall Length: 45 | d1: 3.2 | d2: 6.5 | Shank Diameter: 6 | Small Diameter Length: 9 | |
| 338-0891 | SD01H5-035 | DWC | M3.5*90° | Spec: 3.5 | Overall Length: 50 | d1: 3.7 | d2: 7.6 | Shank Diameter: 7 | Small Diameter Length: 10 | |
| 338-0907 | SD01H5-040 | DWC | M4*90° | Spec: 4 | Overall Length: 50 | d1: 4.3 | d2: 8.6 | Shank Diameter: 8 | Small Diameter Length: 11 | |
| 338-0916 | SD01H5-050 | DWC | M5*90° | Spec: 5 | Overall Length: 55 | d1: 5.3 | d2: 10.4 | Shank Diameter: 10 | Small Diameter Length: 13 | |
| 338-0925 | SD01H5-060 | DWC | M6*90° | Spec: 6 | Overall Length: 63 | d1: 6.4 | d2: 12.4 | Shank Diameter: 10 | Small Diameter Length: 15 | |
| 338-0934 | SD01H5-080 | DWC | M8*90° | Spec: 8 | Overall Length: 100 | d1: 8.4 | d2: 16.4 | Shank Diameter: 12 | Small Diameter Length: 19 | |
| 338-0943 | SD01H5-100 | DWC | M10*90° | Spec: 10 | Overall Length: 110 | d1: 10.5 | d2: 20.4 | Shank Diameter: 12 | Small Diameter Length: 23 | |
| 338-0952 | SD01H5-120 | DWC | M12*90° | Spec: 12 | Overall Length: 120 | d1: 13.0 | d2: 25.0 | Shank Diameter: 12 | Small Diameter Length: 28 |
![[DWC] — SD02H5-020 Step Drill](https://img.prosourcemro.com/2026/05/1252559-1-300x300.jpg)
DWC SD02H5-020 Step Drill is a multi-diameter cutting tool designed to drill progressively sized holes in a single pass, sourced direct from Korea. Step drills are commonly used in sheet metal fabrication, electrical enclosure work, and light structural applications where clean, burr-free holes of varying diameters are needed without changing bits. Request a quote today for export-ready supply, competitive pricing, and reliable fulfillment through a KITA-registered Korean exporter.
DWC SD02H5-020 Step Drill is a multi-diameter cutting tool designed to drill progressively sized holes in a single pass, sourced direct from Korea. Step drills are commonly used in sheet metal fabrication, electrical enclosure work, and light structural applications where clean, burr-free holes of varying diameters are needed without changing bits. Request a quote today for export-ready supply, competitive pricing, and reliable fulfillment through a KITA-registered Korean exporter.
| Product Code | Description | Brand | Spec | |
|---|---|---|---|---|
| 338-0961 | SD02H5-020 | DWC | M2*180° | Spec: 2 | Overall Length: 45 | d1: 2.4 | d2: 4.3 | Shank Diameter: 4.3 | Small Diameter Length: 6 | |
| 338-0970 | SD02H5-025 | DWC | M2.5*180° | Spec: 2.5 | Overall Length: 45 | d1: 2.9 | d2: 5.0 | Shank Diameter: 5.0 | Small Diameter Length: 7 | |
| 338-0989 | SD02H5-030 | DWC | M3*180° | Spec: 3 | Overall Length: 45 | d1: 3.4 | d2: 6.0 | Shank Diameter: 6.0 | Small Diameter Length: 9 | |
| 338-0998 | SD02H5-040 | DWC | M4*180° | Spec: 4 | Overall Length: 50 | d1: 4.5 | d2: 8.0 | Shank Diameter: 8.0 | Small Diameter Length: 11 | |
| 338-1003 | SD02H5-050 | DWC | M5*180° | Spec: 5 | Overall Length: 55 | d1: 5.5 | d2: 10.0 | Shank Diameter: 10.0 | Small Diameter Length: 13 | |
| 338-1012 | SD02H5-060 | DWC | M6*180° | Spec: 6 | Overall Length: 63 | d1: 6.6 | d2: 11.0 | Shank Diameter: 11.0 | Small Diameter Length: 15 | |
| 338-1021 | SD02H5-080 | DWC | M8*180° | Spec: 8 | Overall Length: 100 | d1: 9.0 | d2: 15.0 | Shank Diameter: 12.5 | Small Diameter Length: 19 | |
| 338-1030 | SD02H5-100 | DWC | M10*180° | Spec: 10 | Overall Length: 110 | d1: 11.0 | d2: 18.0 | Shank Diameter: 12.5 | Small Diameter Length: 23 | |
| 338-1049 | SD02H5-120 | DWC | M12*180° | Spec: 12 | Overall Length: 110 | d1: 14.0 | d2: 20.0 | Shank Diameter: 12.5 | Small Diameter Length: 28 | |
| 338-1058 | SD02H5-140 | DWC | M14*180° | Spec: 14 | Overall Length: 120 | d1: 16.0 | d2: 24.0 | Shank Diameter: 12.5 | Small Diameter Length: 34 |
![[Seshin Buffalo] — 101-6053 S5-412 Step Drill Step Drill](https://img.prosourcemro.com/2026/05/1286507-1-2-300x300.jpg)
Seshin Buffalo S5-412 Step Drill is a multi-diameter step drill designed to cut clean, progressive holes in sheet metal and thin materials, sourced direct from Korea. Step drills like this are commonly used by fabricators, electricians, and HVAC technicians to create multiple hole sizes from a single tool without bit changes. Request a quote today for export-ready supply at competitive pricing through a KITA-registered Korean exporter.
Seshin Buffalo S5-412 Step Drill is a multi-diameter step drill designed to cut clean, progressive holes in sheet metal and thin materials, sourced direct from Korea. Step drills like this are commonly used by fabricators, electricians, and HVAC technicians to create multiple hole sizes from a single tool without bit changes. Request a quote today for export-ready supply at competitive pricing through a KITA-registered Korean exporter.
| Product Code | Description | Brand | Spec | |
|---|---|---|---|---|
| 101-6053 | S5-412 | Seshin Buffalo | S5-412 | Shank Diameter: 10 | Range: 4~12 | Size Increment: 2 | |
| 101-6062 | S9-412 | Seshin Buffalo | S9-412 | Shank Diameter: 10 | Range: 4~12 | Increment Size: 1 | |
| 101-6071 | S10-422 | Seshin Buffalo | S10-422 | Shank Diameter: 10 | Range: 4~22 | Increment Size: 2 | |
| 101-6080 | S13-535 | Seshin Buffalo | S13-535 | Shank Diameter: 10 | Range: 5~35 | Incremental Size: 2~3 | |
| 101-6132 | S7-618 | Seshin Buffalo | S7-618 | Shank Diameter: 10 | Range: 6~18 | Size Increment: 2 | |
| 118-0154 | S13-630 | Seshin Buffalo | S13-630 | Shank Diameter: 10 | Range: 6~30 | Size Increment: 2 | |
| 118-0163 | S12-638 | Seshin Buffalo | S12-638 | Shank Diameter: 10 | Range: 6~38 | Increment Size: 2~4 |
![[Seshin Buffalo] — 103-8541 T5-412 Step Drill Step Drill – Twist Type (Hex Shank)](https://img.prosourcemro.com/2026/05/3227321-1-2-300x300.jpg)
Seshin Buffalo T5-412 Step Drill in a twist-type, hex shank configuration delivers clean, stepped hole enlargement in a single pass, sourced direct from Korea. Hex shank step drills like this are a go-to for electricians, sheet metal fabricators, and maintenance crews who need to drill multiple hole diameters through thin materials such as steel panels, aluminum, and plastics without swapping bits. Request a quote today for export-ready supply, competitive Korea-direct pricing, and reliable fulfillment through a KITA-registered Korean exporter.
Seshin Buffalo T5-412 Step Drill in a twist-type, hex shank configuration delivers clean, stepped hole enlargement in a single pass, sourced direct from Korea. Hex shank step drills like this are a go-to for electricians, sheet metal fabricators, and maintenance crews who need to drill multiple hole diameters through thin materials such as steel panels, aluminum, and plastics without swapping bits. Request a quote today for export-ready supply, competitive Korea-direct pricing, and reliable fulfillment through a KITA-registered Korean exporter.
| Product Code | Description | Brand | Spec | |
|---|---|---|---|---|
| 103-8541 | T5-412(HEX) | Seshin Buffalo | T5-412(HEX) | Shank Diameter: 6.35 | Range: 4∼12 | Incremental Size: 2 | |
| 103-8550 | T9-412(HEX) | Seshin Buffalo | T9-412(HEX) | Shank Diameter: 6.35 | Range: 4∼12 | Size Increment: 1 | |
| 103-8569 | T7-618(HEX) | Seshin Buffalo | T7-618(HEX) | Shank Diameter: 6.35 | Range: 6∼18 | Size Increment: 2 | |
| 103-8578 | T10-422(HEX) | Seshin Buffalo | T10-422(HEX) | Shank Diameter: 6.35 | Range: 4∼22 | Size Increment: 2 | |
| 114-6813 | T13-535(HEX) | Seshin Buffalo | T13-535(HEX) | Shank Diameter: 6.35 | Range: 5~35 | Incremental Size: 2~3 |
![[Seshin Buffalo] — 112-8394 T5-412 Step Drill Step Drill – Twist Type (Hex Shank)](https://img.prosourcemro.com/2026/05/3283223-1-1-300x300.jpg)
Seshin Buffalo T5-412 Step Drill in a twist-type, hex shank configuration delivers clean, stepped hole drilling in a single pass, sourced direct from Korea. Step drills of this type are widely used in sheet metal fabrication, electrical panel work, and light structural applications where multiple hole diameters need to be cut without changing tools. Request a quote today for export-ready supply at competitive pricing through a KITA-registered Korean exporter.
Seshin Buffalo T5-412 Step Drill in a twist-type, hex shank configuration delivers clean, stepped hole drilling in a single pass, sourced direct from Korea. Step drills of this type are widely used in sheet metal fabrication, electrical panel work, and light structural applications where multiple hole diameters need to be cut without changing tools. Request a quote today for export-ready supply at competitive pricing through a KITA-registered Korean exporter.
| Product Code | Description | Brand | Spec | |
|---|---|---|---|---|
| 112-8394 | T5-412(HEX,TiN) | Seshin Buffalo | T5-412(HEX,TiN) | Shank Diameter: 6.35 | Range: 4~12 | Size Increment: 2 | |
| 112-8400 | T9-412(HEX,TiN) | Seshin Buffalo | T9-412(HEX,TiN) | Shank Diameter: 6.35 | Range: 4∼12 | Increment Size: 1 | |
| 112-8419 | T7-618(HEX,TiN) | Seshin Buffalo | T7-618(HEX,TiN) | Shank Diameter: 6.35 | Range: 6∼18 | Incremental Size: 2 | |
| 112-8428 | T10-422(HEX,TiN) | Seshin Buffalo | T10-422(HEX,TiN) | Shank Diameter: 6.35 | Range: 4∼22 | Size Increment: 2 | |
| 114-6831 | T13-535(HEX,TiN) | Seshin Buffalo | T13-535(HEX,TiN) | Shank Diameter: 6.35 | Range: 5~35 | Incremental Size: 2~3 | |
| 115-5051 | T7-416(HEX,TiN) | Seshin Buffalo | T7-416(HEX,TiN) | Shank Diameter: 6.35 | Range: 4~16 | Increment Size: 2 | |
| 115-5282 | T8-418(HEX,TiN) | Seshin Buffalo | T8-418(HEX,TiN) | Shank Diameter: 6.35 | Range: 4~18 | Size Increment: 2 |
![[Seshin Buffalo] — 115-4788 T5-412 Step Drill 4-Flute Step Drill – Twist Type (Hex Shank)](https://img.prosourcemro.com/2026/05/3418732-1-2-300x300.jpg)
Seshin Buffalo T5-412 is a 4-flute twist-type step drill with a hex shank design, built to cut clean, progressively sized holes in a single operation — sourced direct from Korea. Step drills of this type are widely used in sheet metal fabrication, electrical enclosure work, and general metalworking where multiple hole diameters are needed without tool changes. Request a quote today for export-ready supply at competitive pricing through a KITA-registered Korean exporter.
Seshin Buffalo T5-412 is a 4-flute twist-type step drill with a hex shank design, built to cut clean, progressively sized holes in a single operation — sourced direct from Korea. Step drills of this type are widely used in sheet metal fabrication, electrical enclosure work, and general metalworking where multiple hole diameters are needed without tool changes. Request a quote today for export-ready supply at competitive pricing through a KITA-registered Korean exporter.
| Product Code | Description | Brand | Spec | |
|---|---|---|---|---|
| 115-4788 | T5-412(HEX,TiN,4F) | Seshin Buffalo | T5-412(HEX,TiN,4F) | Shank Diameter: 6.35 | Range: 4~12 | Size Increment: 2 | |
| 115-4797 | T9-412(HEX,TiN,4F) | Seshin Buffalo | T9-412(HEX,TiN,4F) | Shank Diameter: 6.35 | Range: 4~12 | Increment Size: 1 | |
| 115-4803 | T7-618(HEX,TiN,4F) | Seshin Buffalo | T7-618(HEX,TiN,4F) | Shank Diameter: 6.35 | Range: 6~18 | Increment Size: 2 | |
| 115-4812 | T10-422(HEX,TiN,4F) | Seshin Buffalo | T10-422(HEX,TiN,4F) | Shank Diameter: 6.35 | Range: 4~22 | Incremental Size: 2 | |
| 115-4821 | T13-535(HEX,TiN,4F) | Seshin Buffalo | T13-535(HEX,TiN,4F) | Shank Diameter: 6.35 | Range: 5~35 | Size Increment: 2~3 |
![[Seshin Buffalo] — 118-1807 S5-412 Step Drill Step Drill](https://img.prosourcemro.com/2026/05/3339604-1-2-300x300.jpg)
Seshin Buffalo S5-412 Step Drill is a multi-diameter step drill designed to bore progressively sized holes in a single operation, sourced direct from Korea. Step drills like this are commonly used by electricians, sheet metal fabricators, and HVAC technicians to create clean, burr-free holes in thin materials such as steel panels, aluminum sheeting, and electrical enclosures. Request a quote today to access export-ready supply, competitive pricing, and reliable fulfillment through a KITA-registered Korean exporter.
Seshin Buffalo S5-412 Step Drill is a multi-diameter step drill designed to bore progressively sized holes in a single operation, sourced direct from Korea. Step drills like this are commonly used by electricians, sheet metal fabricators, and HVAC technicians to create clean, burr-free holes in thin materials such as steel panels, aluminum sheeting, and electrical enclosures. Request a quote today to access export-ready supply, competitive pricing, and reliable fulfillment through a KITA-registered Korean exporter.
| Product Code | Description | Brand | Spec | |
|---|---|---|---|---|
| 118-1807 | S5-412(TiN) | Seshin Buffalo | S5-412(TiN) | Shank Diameter: 10 | Range: 4~12 | Size Increment: 2 | |
| 118-1816 | S9-412(TiN) | Seshin Buffalo | S9-412(TiN) | Shank Diameter: 10 | Range: 4~12 | Size Increment: 1 | |
| 118-1825 | S7-618(TiN) | Seshin Buffalo | S7-618(TiN) | Shank Diameter: 10 | Range: 6~18 | Increment Size: 2 | |
| 118-1834 | S10-422(TiN) | Seshin Buffalo | S10-422(TiN) | Shank Diameter: 10 | Range: 4~22 | Size Increment: 2 | |
| 118-1843 | S13-535(TiN) | Seshin Buffalo | S13-535(TiN) | Shank Diameter: 10 | Range: 5~35 | Incremental Size: 2~3 |
![[Seshin Buffalo] — 121-4363 T5-412 Step Drill 4-Flute Step Drill – Twist Type](https://img.prosourcemro.com/2026/05/3440849-1-2-300x300.jpg)
Seshin Buffalo T5-412 4-Flute Twist-Type Step Drill is a multi-diameter cutting tool designed to drill progressively sized holes in a single pass, sourced direct from Korea. Step drills of this type are widely used in sheet metal fabrication, electrical enclosure work, and light structural applications where clean, burr-free stepped holes are required without tool changes. Request a quote today for export-ready supply, competitive Korea-direct pricing, and reliable fulfillment through a KITA-registered Korean exporter.
Seshin Buffalo T5-412 4-Flute Twist-Type Step Drill is a multi-diameter cutting tool designed to drill progressively sized holes in a single pass, sourced direct from Korea. Step drills of this type are widely used in sheet metal fabrication, electrical enclosure work, and light structural applications where clean, burr-free stepped holes are required without tool changes. Request a quote today for export-ready supply, competitive Korea-direct pricing, and reliable fulfillment through a KITA-registered Korean exporter.
| Product Code | Description | Brand | Spec | |
|---|---|---|---|---|
| 121-4363 | T5-412(4F) | Seshin Buffalo | T5-412(4F) | Shank Diameter: 10 | Range: 4~12 | Incremental Size: 2 | |
| 121-4372 | T9-412(4F) | Seshin Buffalo | T9-412(4F) | Shank Diameter: 10 | Range: 4~12 | Incremental Size: 1 | |
| 121-4381 | T7-618(4F) | Seshin Buffalo | T7-618(4F) | Shank Diameter: 10 | Range: 6~18 | Increment Size: 2 | |
| 121-4390 | T10-422(4F) | Seshin Buffalo | T10-422(4F) | Shank Diameter: 10 | Range: 4~22 | Size Increment: 2 | |
| 121-4406 | T13-535(4F) | Seshin Buffalo | T13-535(4F) | Shank Diameter: 10 | Range: 5~35 | Incremental Size: 2~3 |
![[Seshin Buffalo] — 121-4415 T5-412 Step Drill 4-Flute Step Drill – Twist Type](https://img.prosourcemro.com/2026/05/3440855-1-2-300x300.jpg)
Seshin Buffalo T5-412 is a 4-flute twist-type step drill designed to bore progressively sized holes in a single operation, sourced direct from Korea. Step drills of this type are widely used in sheet metal fabrication, electrical enclosure work, and light structural applications where clean, burr-free stepped holes are needed without tool changes. Request a quote today for export-ready supply at competitive pricing through a KITA-registered Korean exporter.
Seshin Buffalo T5-412 is a 4-flute twist-type step drill designed to bore progressively sized holes in a single operation, sourced direct from Korea. Step drills of this type are widely used in sheet metal fabrication, electrical enclosure work, and light structural applications where clean, burr-free stepped holes are needed without tool changes. Request a quote today for export-ready supply at competitive pricing through a KITA-registered Korean exporter.
| Product Code | Description | Brand | Spec | |
|---|---|---|---|---|
| 121-4415 | T5-412(TiN,4F) | Seshin Buffalo | T5-412(TiN,4F) | Shank Diameter: 10 | Range: 4~12 | Size Increment: 2 | |
| 121-4424 | T9-412(TiN,4F) | Seshin Buffalo | T9-412(TiN,4F) | Shank Diameter: 10 | Range: 4~12 | Size Increment: 1 | |
| 121-4433 | T7-618(TiN,4F) | Seshin Buffalo | T7-618(TiN,4F) | Shank Diameter: 10 | Range: 6~18 | Size Increment: 2 | |
| 121-4442 | T10-422(TiN,4F) | Seshin Buffalo | T10-422(TiN,4F) | Shank Diameter: 10 | Range: 4~22 | Incremental Size: 2 | |
| 121-4451 | T13-535(TiN,4F) | Seshin Buffalo | T13-535(TiN,4F) | Shank Diameter: 10 | Range: 5~35 | Size Increment: 2~3 |
![[Seshin Buffalo] — 121-4460 T5-412 Step Drill 4-Flute Step Drill – Twist Type (Hex Shank)](https://img.prosourcemro.com/2026/05/3440861-1-2-300x300.jpg)
Seshin Buffalo T5-412 is a 4-flute twist-type step drill with a hex shank design, built to cut progressive hole diameters in a single operation, sourced direct from Korea. Step drills of this type are widely used in sheet metal fabrication, electrical panel work, and light structural applications where clean, burr-free stepped holes are required without tool changes. Request a quote today for export-ready supply at competitive pricing through a KITA-registered Korean exporter.
Seshin Buffalo T5-412 is a 4-flute twist-type step drill with a hex shank design, built to cut progressive hole diameters in a single operation, sourced direct from Korea. Step drills of this type are widely used in sheet metal fabrication, electrical panel work, and light structural applications where clean, burr-free stepped holes are required without tool changes. Request a quote today for export-ready supply at competitive pricing through a KITA-registered Korean exporter.
| Product Code | Description | Brand | Spec | |
|---|---|---|---|---|
| 121-4460 | T5-412(HEX,4F) | Seshin Buffalo | T5-412(HEX,4F) | Shank Diameter: 6.35 | Range: 4~12 | Size Increment: 2 | |
| 121-4479 | T9-412(HEX,4F) | Seshin Buffalo | T9-412(HEX,4F) | Shank Diameter: 6.35 | Range: 4~12 | Size Increment: 1 | |
| 121-4488 | T7-618(HEX,4F) | Seshin Buffalo | T7-618(HEX,4F) | Shank Diameter: 6.35 | Range: 6~18 | Size Increment: 2 | |
| 121-4497 | T10-422(HEX,4F) | Seshin Buffalo | T10-422(HEX,4F) | Shank Diameter: 6.35 | Range: 4~22 | Increment Size: 2 | |
| 121-4503 | T13-535(HEX,4F) | Seshin Buffalo | T13-535(HEX,4F) | Shank Diameter: 6.35 | Range: 5~35 | Size Increment: 2~3 |
![[Seshin Buffalo] — S13-535 Step Drill Cobalt Step Drill – Hex Shank](https://img.prosourcemro.com/2026/05/3400730-1-2-300x300.jpg)
Seshin Buffalo S13-535 Cobalt Step Drill with hex shank delivers precise multi-diameter hole drilling in a single pass, sourced direct from Korea. Step drills like this are widely used by metalworkers, HVAC installers, and sheet metal fabricators to create clean, burr-free holes in thin steel, stainless, and non-ferrous materials without the need for multiple bit changes. Request a quote today for export-ready supply of this cobalt-grade step drill at competitive pricing, fulfilled by a KITA-registered Korean exporter.
Seshin Buffalo S13-535 Cobalt Step Drill with hex shank delivers precise multi-diameter hole drilling in a single pass, sourced direct from Korea. Step drills like this are widely used by metalworkers, HVAC installers, and sheet metal fabricators to create clean, burr-free holes in thin steel, stainless, and non-ferrous materials without the need for multiple bit changes. Request a quote today for export-ready supply of this cobalt-grade step drill at competitive pricing, fulfilled by a KITA-registered Korean exporter.
| Product Code | Description | Brand | Spec | |
|---|---|---|---|---|
| 114-6840 | S13-535(SKH55,HEX) | Seshin Buffalo | S13-535(SKH55,HEX) | Shank Diameter: 6.35 | Range: 5~35 | Incremental Size: 2~3 | |
| 118-1898 | S5-412(SKH55,HEX) | Seshin Buffalo | S5-412(SKH55,HEX) | Shank Diameter: 6.35 | Range: 4~12 | Size Increment: 2 | |
| 118-1904 | S9-412(SKH55,HEX) | Seshin Buffalo | S9-412(SKH55,HEX) | Shank Diameter: 6.35 | Range: 4~12 | Increment Size: 1 | |
| 118-1913 | S7-618(SKH55,HEX) | Seshin Buffalo | S7-618(SKH55,HEX) | Shank Diameter: 6.35 | Range: 6~18 | Incremental Size: 2 | |
| 118-1922 | S10-422(SKH55,HEX) | Seshin Buffalo | S10-422(SKH55,HEX) | Shank Diameter: 6.35 | Range: 4~22 | Size Increment: 2 |
![[Seshin Buffalo] — S13-535 Step Drill Step Drill – Hex Shank](https://img.prosourcemro.com/2026/05/3400728-1-2-300x300.jpg)
Seshin Buffalo S13-535 Step Drill with hex shank delivers precise multi-diameter hole drilling in a single operation, sourced direct from Korea. Step drills like this are widely used by electricians, fabricators, and sheet metal workers to create clean, burr-free holes in thin materials such as metal panels, plastic enclosures, and electrical boxes without the need for multiple bit changes. Request a quote today for export-ready supply of this cutting tool through a KITA-registered Korean exporter offering competitive pricing for bulk and ongoing orders.
Seshin Buffalo S13-535 Step Drill with hex shank delivers precise multi-diameter hole drilling in a single operation, sourced direct from Korea. Step drills like this are widely used by electricians, fabricators, and sheet metal workers to create clean, burr-free holes in thin materials such as metal panels, plastic enclosures, and electrical boxes without the need for multiple bit changes. Request a quote today for export-ready supply of this cutting tool through a KITA-registered Korean exporter offering competitive pricing for bulk and ongoing orders.
| Product Code | Description | Brand | Spec | |
|---|---|---|---|---|
| 114-6822 | S13-535(HEX,TiN) | Seshin Buffalo | S13-535(HEX,TiN) | Shank Diameter: 6.35 | Range: 5~35 | Size Increment: 2~3 | |
| 118-1852 | S5-412(HEX,TiN) | Seshin Buffalo | S5-412(HEX,TiN) | Shank Diameter: 6.35 | Range: 4~12 | Size Increment: 2 | |
| 118-1861 | S9-412(HEX,TiN) | Seshin Buffalo | S9-412(HEX,TiN) | Shank Diameter: 6.35 | Range: 4~12 | Incremental Size: 1 | |
| 118-1870 | S7-618(HEX,TiN) | Seshin Buffalo | S7-618(HEX,TiN) | Shank Diameter: 6.35 | Range: 6~18 | Size Increment: 2 | |
| 118-1889 | S10-422(HEX,TiN) | Seshin Buffalo | S10-422(HEX,TiN) | Shank Diameter: 6.35 | Range: 4~22 | Size Increment: 2 |
![[Seshin Buffalo] — S5-412 Step Drill Cobalt Step Drill](https://img.prosourcemro.com/2026/05/3306910-1-2-300x300.jpg)
Seshin Buffalo S5-412 Cobalt Step Drill is a multi-diameter step drill designed to bore clean, progressive holes in a single operation, sourced direct from Korea. Step drills like this are commonly used in sheet metal fabrication, electrical panel work, and HVAC installation where creating multiple hole sizes without tool changes saves time and reduces burr formation. Request a quote today for export-ready supply of Seshin Buffalo cutting tools at competitive pricing through a KITA-registered Korean exporter.
Seshin Buffalo S5-412 Cobalt Step Drill is a multi-diameter step drill designed to bore clean, progressive holes in a single operation, sourced direct from Korea. Step drills like this are commonly used in sheet metal fabrication, electrical panel work, and HVAC installation where creating multiple hole sizes without tool changes saves time and reduces burr formation. Request a quote today for export-ready supply of Seshin Buffalo cutting tools at competitive pricing through a KITA-registered Korean exporter.
| Product Code | Description | Brand | Spec | |
|---|---|---|---|---|
| 113-9716 | S5-412(SKH55) | Seshin Buffalo | S5-412(SKH55) | Shank Diameter: 10 | Range: 4~12 | Size Increment: 2 | |
| 113-9725 | S9-412(SKH55) | Seshin Buffalo | S9-412(SKH55) | Shank Diameter: 10 | Range: 4~12 | Increment Size: 1 | |
| 113-9734 | S7-618(SKH55) | Seshin Buffalo | S7-618(SKH55) | Shank Diameter: 10 | Range: 6~18 | Incremental Size: 2 | |
| 113-9743 | S10-422(SKH55) | Seshin Buffalo | S10-422(SKH55) | Shank Diameter: 10 | Range: 4~22 | Size Increment: 2 | |
| 113-9752 | S13-535(SKH55) | Seshin Buffalo | S13-535(SKH55) | Shank Diameter: 10 | Range: 5~35 | Increment Size: 2~3 |
![[Seshin Buffalo] — S5-412 Step Drill Step Drill – Hex Shank](https://img.prosourcemro.com/2026/05/3227316-1-2-300x300.jpg)
Seshin Buffalo S5-412 Step Drill with hex shank delivers precise multi-diameter hole drilling in a single tool pass, sourced direct from Korea. Step drills are commonly used by electricians, sheet metal workers, and fabricators to create clean, burr-free holes of increasing sizes in thin materials like steel plate, aluminum, and plastic panels. Request a quote today to access export-ready supply, competitive pricing, and reliable fulfillment through a KITA-registered Korean exporter.
Seshin Buffalo S5-412 Step Drill with hex shank delivers precise multi-diameter hole drilling in a single tool pass, sourced direct from Korea. Step drills are commonly used by electricians, sheet metal workers, and fabricators to create clean, burr-free holes of increasing sizes in thin materials like steel plate, aluminum, and plastic panels. Request a quote today to access export-ready supply, competitive pricing, and reliable fulfillment through a KITA-registered Korean exporter.
| Product Code | Description | Brand | Spec | |
|---|---|---|---|---|
| 103-8499 | S5-412(HEX) | Seshin Buffalo | S5-412(HEX) | Shank Diameter: 6.35 | Range: 4∼12 | Size Increment: 2 | |
| 103-8505 | S9-412(HEX) | Seshin Buffalo | S9-412(HEX) | Shank Diameter: 6.35 | Range: 4∼12 | Size Increment: 1 | |
| 103-8514 | S7-618(HEX) | Seshin Buffalo | S7-618(HEX) | Shank Diameter: 6.35 | Range: 6∼18 | Size Increment: 2 | |
| 103-8523 | S10-422(HEX) | Seshin Buffalo | S10-422(HEX) | Shank Diameter: 6.35 | Range: 4∼22 | Size Increment: 2 | |
| 114-6804 | S13-535(HEX) | Seshin Buffalo | S13-535(HEX) | Shank Diameter: 6.35 | Range: 5~35 | Size Increment: 2~3 |
![[Seshin Buffalo] — SBHT-3 Step Drill Step Drill Set](https://img.prosourcemro.com/2026/05/3317937-1-2-300x300.jpg)
Seshin Buffalo SBHT-3 Step Drill Set is a multi-diameter step drill designed to bore progressively sized holes in a single operation, sourced direct from Korea. Step drills like these are commonly used by electricians, sheet metal fabricators, and maintenance technicians to create clean, burr-free holes in thin materials such as metal panels, conduit boxes, and enclosures. Request a quote today for export-ready supply of this cutting tool set at competitive pricing through a KITA-registered Korean exporter.
Seshin Buffalo SBHT-3 Step Drill Set is a multi-diameter step drill designed to bore progressively sized holes in a single operation, sourced direct from Korea. Step drills like these are commonly used by electricians, sheet metal fabricators, and maintenance technicians to create clean, burr-free holes in thin materials such as metal panels, conduit boxes, and enclosures. Request a quote today for export-ready supply of this cutting tool set at competitive pricing through a KITA-registered Korean exporter.
| Product Code | Description | Brand | Spec | |
|---|---|---|---|---|
| 117-4083 | SBHT-3 | Seshin Buffalo | SBHT-3 (3PCS_HEX_TiN) | Components: T9-412/ T7-618/ T10-422 |
![[Seshin Buffalo] — SBST-10 Step Drill Step Drill Set](https://img.prosourcemro.com/2026/05/1310025-1-2-300x300.jpg)
Seshin Buffalo SBST-10 Step Drill Set delivers precise multi-diameter hole drilling in a single tool, sourced direct from Korea. Step drills are widely used by electricians, sheet metal workers, and fabricators to create clean, burr-free holes in thin materials like steel panels, aluminum, and plastics without requiring a pilot hole. Request a quote today for export-ready supply of this step drill set at competitive pricing, fulfilled by a KITA-registered Korean exporter.
Seshin Buffalo SBST-10 Step Drill Set delivers precise multi-diameter hole drilling in a single tool, sourced direct from Korea. Step drills are widely used by electricians, sheet metal workers, and fabricators to create clean, burr-free holes in thin materials like steel panels, aluminum, and plastics without requiring a pilot hole. Request a quote today for export-ready supply of this step drill set at competitive pricing, fulfilled by a KITA-registered Korean exporter.
| Product Code | Description | Brand | Spec | |
|---|---|---|---|---|
| 103-0318 | SBST-10 | Seshin Buffalo | SBST-10 (10PCS) | Components: Straight Type 5PCS Twist Type 5PCS | |
| 103-7825 | SBST-3 | Seshin Buffalo | SBST-3 (3PCS) | Components: S7-618/S10-422/S13-535 | |
| 113-9822 | SBTW-3 | Seshin Buffalo | SBTW-3 (3PCS) | Components: T7-618/T10-422/T13-535 |
![[Seshin Buffalo] — SBST-8 Step Drill Step Drill Set](https://img.prosourcemro.com/2026/05/3276384-1-2-300x300.jpg)
Seshin Buffalo SBST-8 Step Drill Set delivers multi-diameter hole drilling in a single tool, sourced direct from Korea. Step drills are a go-to choice for sheet metal fabricators, electricians, and HVAC technicians who need clean, burr-free holes across a range of sizes without swapping bits. Request a quote today for export-ready supply, competitive pricing, and reliable fulfillment through a KITA-registered Korean exporter.
Seshin Buffalo SBST-8 Step Drill Set delivers multi-diameter hole drilling in a single tool, sourced direct from Korea. Step drills are a go-to choice for sheet metal fabricators, electricians, and HVAC technicians who need clean, burr-free holes across a range of sizes without swapping bits. Request a quote today for export-ready supply, competitive pricing, and reliable fulfillment through a KITA-registered Korean exporter.
| Product Code | Description | Brand | Spec | |
|---|---|---|---|---|
| 112-6013 | SBST-8 | Seshin Buffalo | SBST-8 (8PCS_HEX) | Components: Hex Shank Straight Type 4PCS / Hex Shank Twist Type 4PCS |
![[Seshin Buffalo] — SBTW4-3 Step Drill 4-Flute Step Drill Set – Twist Type](https://img.prosourcemro.com/2026/05/3440872-1-2-300x300.jpg)
Seshin Buffalo SBTW4-3 Step Drill Set is a 4-flute twist-type step drill designed for progressive hole enlargement in a single pass, sourced direct from Korea. Step drills of this type are commonly used by metalworkers, fabricators, and maintenance technicians to drill and countersink sheet metal, thin plate, and similar materials without the need for multiple bit changes. Request a quote today for export-ready supply at competitive pricing through a KITA-registered Korean exporter.
Seshin Buffalo SBTW4-3 Step Drill Set is a 4-flute twist-type step drill designed for progressive hole enlargement in a single pass, sourced direct from Korea. Step drills of this type are commonly used by metalworkers, fabricators, and maintenance technicians to drill and countersink sheet metal, thin plate, and similar materials without the need for multiple bit changes. Request a quote today for export-ready supply at competitive pricing through a KITA-registered Korean exporter.
| Product Code | Description | Brand | Spec | |
|---|---|---|---|---|
| 121-4567 | SBTW4-3(4F) | Seshin Buffalo | SBTW4-3(4F) | Components: T7-618/ T10-422/ T13-535 | |
| 121-4576 | SBHT4-3(HEX,TiN/4F) | Seshin Buffalo | SBHT4-3(HEX,TiN/4F) | Components: T9-412/ T7-618/ T10-422 | |
| 121-4585 | SBCT4-3(TiAlN,4F) | Seshin Buffalo | SBCT4-3(TiAlN,4F) | Components: T7-618/ T10-422/ T13-535 | |
| 121-4594 | SBCTH4-3(HEX,TiAlN/4F) | Seshin Buffalo | SBCTH4-3(HEX,TiAlN/4F) | Components: T9-412/ T7-618/ T10-422 |
![[Seshin Buffalo] — T13-535 Step Drill Cobalt Step Drill – Twist Type (Hex Shank)](https://img.prosourcemro.com/2026/05/3400731-1-2-300x300.jpg)
Seshin Buffalo's T13-535 Cobalt Step Drill in a twist-type hex shank design delivers precise multi-diameter hole drilling in a single pass, sourced direct from Korea. Step drills of this type are widely used in sheet metal fabrication, electrical enclosure work, and light structural applications where drilling multiple hole sizes without bit changes saves time and reduces material distortion. Request a quote today for export-ready supply through a KITA-registered Korean exporter and receive competitive pricing on volume orders.
Seshin Buffalo's T13-535 Cobalt Step Drill in a twist-type hex shank design delivers precise multi-diameter hole drilling in a single pass, sourced direct from Korea. Step drills of this type are widely used in sheet metal fabrication, electrical enclosure work, and light structural applications where drilling multiple hole sizes without bit changes saves time and reduces material distortion. Request a quote today for export-ready supply through a KITA-registered Korean exporter and receive competitive pricing on volume orders.
| Product Code | Description | Brand | Spec | |
|---|---|---|---|---|
| 114-6859 | T13-535(SKH55,HEX) | Seshin Buffalo | T13-535(SKH55,HEX) | Shank Diameter: 6.35 | Range: 5~35 | Increment Size: 2~3 | |
| 118-1931 | T5-412(SKH55,HEX) | Seshin Buffalo | T5-412(SKH55,HEX) | Shank Diameter: 6.35 | Range: 4~12 | Increment Size: 2 | |
| 118-1940 | T9-412(SKH55,HEX) | Seshin Buffalo | T9-412(SKH55,HEX) | Shank Diameter: 6.35 | Range: 4~12 | Size Increment: 1 | |
| 118-1959 | T7-618(SKH55,HEX) | Seshin Buffalo | T7-618(SKH55,HEX) | Shank Diameter: 6.35 | Range: 6~18 | Increment Size: 2 | |
| 118-1968 | T10-422(SKH55,HEX) | Seshin Buffalo | T10-422(SKH55,HEX) | Shank Diameter: 6.35 | Range: 4~22 | Size Increment: 2 |
![[Seshin Buffalo] — T5-412 Step Drill 4-Flute Cobalt Step Drill – Twist Type](https://img.prosourcemro.com/2026/05/3440866-1-2-300x300.jpg)
Seshin Buffalo T5-412 is a 4-flute cobalt step drill in twist-type configuration, designed for progressive hole enlargement in a single pass, sourced direct from Korea. Step drills of this type are widely used in sheet metal fabrication, electrical enclosure work, and light structural applications where clean, burr-free stepped holes are required without tool changes. Request a quote today for export-ready supply, competitive Korean factory pricing, and reliable fulfillment through a KITA-registered exporter.
Seshin Buffalo T5-412 is a 4-flute cobalt step drill in twist-type configuration, designed for progressive hole enlargement in a single pass, sourced direct from Korea. Step drills of this type are widely used in sheet metal fabrication, electrical enclosure work, and light structural applications where clean, burr-free stepped holes are required without tool changes. Request a quote today for export-ready supply, competitive Korean factory pricing, and reliable fulfillment through a KITA-registered exporter.
| Product Code | Description | Brand | Spec | |
|---|---|---|---|---|
| 121-4512 | T5-412(TiAlN,4F) | Seshin Buffalo | T5-412(TiAlN,4F) | Shank Diameter: 10 | Range: 4~12 | Incremental Size: 2 | |
| 121-4521 | T9-412(TiAlN,4F) | Seshin Buffalo | T9-412(TiAlN,4F) | Shank Diameter: 10 | Range: 4~12 | Increment Size: 1 | |
| 121-4530 | T7-618(TiAlN,4F) | Seshin Buffalo | T7-618(TiAlN,4F) | Shank Diameter: 10 | Range: 6~18 | Size Increment: 2 | |
| 121-4549 | T10-422(TiAlN,4F) | Seshin Buffalo | T10-422(TiAlN,4F) | Shank Diameter: 10 | Range: 4~22 | Increment Size: 2 | |
| 121-4558 | T13-535(TiAlN,4F) | Seshin Buffalo | T13-535(TiAlN,4F) | Shank Diameter: 10 | Range: 5~35 | Size Increment: 2~3 |