1、Materials: high speed steel/carbide, not easy to wear and tear, long-lasting and durable
2、Multi-model, customizable
3、Widely used in steel, die steel, aluminum alloy, cast iron, copper, galvanized pipe and other metal material punching
4、Standard spiral groove structure
| Specification | Drill blade length(mm) | Thread blade length(mm) | Overall Length(mm) | Shank Diameter(mm) |
| M2*0.4 | 6 | 10 | 52 | 3 |
| M2.5*0.45 | 7 | 10 | 55 | 3 |
| M3*0.5 | 7 | 12 | 56 | 4 |
| M4*0.7 | 7 | 12 | 56 | 4 |
| M5*0.8 | 9 | 15 | 65 | 5 |
| M6*1 | 12 | 18 | 70 | 6 |
| M8*1.25 | 15 | 20 | 75 | 8 |
| M10*1.5 | 18 | 25 | 87 | 10 |
| M12*1.75 | 20 | 25 | 95 | 12 |
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