DRILLPRO 3-13/6-25/6-35MM HRC89 M35 COBALT STEP DRILL BIT IN SOUTH AFRICA

SELECTED OPTION: SIZE: 6-25MM CLICK HERE for more options in this item. Description: Drillpro 3-13/6-25/6-35mm HRC89 M35 Cobalt Step Drill Bit TiAlN Coated 1/4 Inch Hex Shank Step Drill 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. Uses: Suitable for Aluminum, insulation board, PVC board chamfer,steel, aluminum, sheet metal, carbon steel, 304 stainless steel, etc. Specification: Brand: Drillpro Material: HSS-Co M35 Cobalt Surface treatment: TiAlN Coating Shank: 1/4 Inch Hex Shank Hardness: HRC89 specification Step Step Height Size 3-13 11 5mm 3,4,5,6,7,8,9,10,11,12,13mm 6-25 10 5mm 6,8,10,12,14,16,18,20,22,25mm 6-35 13 5mm 6,8,10,12,16,18,20,22,25,28,30,32,35mm Features: 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. Package Included: 1 x TiAlN M35 Hss Co Step Drill More Details: