Drillpro 3 Flute 4-12mm 5-23mm Step Drill Bit TiAlN Coated HRC62-65 HSS-Co M35 Cobalt Step Drill Triangular Shank
|Grooves||3 Spiral Grooves|
|Quantity||1 Pc x Step Drill Bit|
- Suitable for 1mm stainless steel plate, 3mm iron plate, steel, copper, plastic, wood plate.
- 3 slot, 3 spiral slot design:
Large chip removal, fast heat dissipation, fast drilling, low vibration, high stability and high drilling accuracy.
- Triangular shank design, suitable for many types of electric drills
4241 quenched high speed steel material, the hardness is the same as 6542 material.
- Industrial-grade TiAlN Plating:
1. Form Al2O3 protection cover, fit for high speed drilling.
2. Can work without coolant.
3. Hardness up to HRC62-65.
4. Life service 2-3 times longer than common HSS-Co M35 step drill.
|1 x||3 Flute Step Drill Bit|
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