![[Seshin Buffalo] — 121-4415 T5-412 Step Drill 4-Flute Step Drill - Twist Type](https://img.prosourcemro.com/2026/05/3440855-1-2.jpg)
Step Drills
Seshin Buffalo
[Seshin Buffalo] — 121-4415 T5-412 Step Drill 4-Flute Step Drill - Twist Type
Family ID: 121-4415
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.
5 product codes available in this family
Product Codes & Specifications
| 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 |
