- Material: HSS (4341) High hardness, rustproof, solid and durable; Self-centering design: do not need additional center drilling or center punching
- Fast replacement composite cone, uses drill edged principle. Drilling and tapping in one, one-step processing, greatly save processing steps and time costs, improve working efficiency.
- Metric: M3x0.5, M4x0.7, M5x0.8, M6x1, M8x1.25, M10x1.5.Shank:1/4 inch (6.35mm) hex shank
- The Automatic Center Punch delivering an automatic spring-driven strike when pressed against surface, it can be adjusted cap regulates striking force
- Widely Use: Suitable for drilling, tapping, cutting on soft metal, aluminum plate, iron, etc. Note:Low Speed and Cutting holes in materials (Thickness: <3mm)
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Ahmar Khan
Do what I want
They work good
Vickie Osborne
Drill tap all in one
These are great easy to use and surprising Tough
December Joy McGowan Herrera
Great set!
Punch sets deep for easy drilling. Bits are sharp and easy to use.