1. Spiral groove design(Great chip removal).
2. 118 ° X type bit design(No slipping, drill from any angle).
3. Double R 1/4 Inch hex shank design.
4. CNC, CBN grinding wheel(Higher accuracy).
5. A substantial increase in the wear resistance and oxidation resistance.
6. 3-13mm(11 Steps), 6-25mm(10 Steps), 6-35mm(13 Steps) for choosing.
Material: HSS-Co M35 Cobalt
Surface treatment: TiAlN Coating
Shank: 1/4 Inch Hex Shank
Double R 1/4 Inch Hex Shank, Protection Cone Design, Super Torque
High-speed steel cobalt/M35
More than 4241and 6542 high-speed steel materials.
Industrial-grade TiAlN plating
1. Form Al2O3 protection cover, fit for high speed drilling.
2. Can work without coolant.
3. Hardness up to HRC89.
4. Life service 2-3 times longer the common HSS-Co M35 step drill.
Suitable for Aluminum, insulation board, PVC board chamfer,steel, aluminum, sheet metal, carbon steel, 304 stainless steel, etc.
1. Please allow 1-3mm differs due to manual measurement.
2. Due to the different display and different light, the picture may not reflect the actual color of the item. Thanks for your understanding.
1 x Step Drill