• Seshin Buffalo T5-412 Step Drill 4-Flute Cobalt Step Drill - Twist Type
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Seshin Buffalo T5-412 Step Drill 4-Flute Cobalt Step Drill - Twist Type

Seshin Buffalo T5-412 Step Drill 4-Flute Cobalt Step Drill - Twist Type

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.

Key features

  • 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

Specifications

Shank Diameter 10
121-4512 MPN: T5-412(TiAlN,4F) | T5-412(TiAlN,4F) | Shank Diameter: 10 | Range: 4~12 | Incremental Size: 2
121-4521 MPN: T9-412(TiAlN,4F) | T9-412(TiAlN,4F) | Shank Diameter: 10 | Range: 4~12 | Increment Size: 1
121-4530 MPN: T7-618(TiAlN,4F) | T7-618(TiAlN,4F) | Shank Diameter: 10 | Range: 6~18 | Size Increment: 2
121-4549 MPN: T10-422(TiAlN,4F) | T10-422(TiAlN,4F) | Shank Diameter: 10 | Range: 4~22 | Increment Size: 2
121-4558 MPN: T13-535(TiAlN,4F) | T13-535(TiAlN,4F) | Shank Diameter: 10 | Range: 5~35 | Size Increment: 2~3
Step DrillsSeshin Buffalo
5 product codes available in this family
Sourced direct from KoreaExport-ready supplyCompetitive pricing
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Seshin Buffalo T5-412 Step Drill 4-Flute Cobalt Step Drill - Twist Type

Brand Seshin Buffalo·Step Drills

Available part numbers (5)

121-4512, 121-4521, 121-4530, 121-4549, 121-4558

How to order

Send the Seshin Buffalo part numbers and quantities through our RFQ form or to info@prosourcemro.com. We confirm price, availability and lead time within 1 business day — no account needed.

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Product codes & specifications
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Product codeSpec
121-4512MPN: T5-412(TiAlN,4F) | T5-412(TiAlN,4F) | Shank Diameter: 10 | Range: 4~12 | Incremental Size: 2
121-4521MPN: T9-412(TiAlN,4F) | T9-412(TiAlN,4F) | Shank Diameter: 10 | Range: 4~12 | Increment Size: 1
121-4530MPN: T7-618(TiAlN,4F) | T7-618(TiAlN,4F) | Shank Diameter: 10 | Range: 6~18 | Size Increment: 2
121-4549MPN: T10-422(TiAlN,4F) | T10-422(TiAlN,4F) | Shank Diameter: 10 | Range: 4~22 | Increment Size: 2
121-4558MPN: T13-535(TiAlN,4F) | T13-535(TiAlN,4F) | Shank Diameter: 10 | Range: 5~35 | Size Increment: 2~3

Need a different model, or a part not listed here? Send us your parts list →

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