Drillpro 3-13/6-25/6-35mm HRC89 M35 Cobalt Step Drill Bit TiAlN Coated Step Drill 1/4 Inch Hexagon Shank

Drillpro 3-13/6-25/6-35mm HRC89 M35 Cobalt Step Drill Bit TiAlN Coated Step Drill 1/4 Inch Hexagon Shank
Drillpro
sku: 1328960
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$30.99
Shipping from: China
   Description
Description Drillpro 3 13 6 25 6 35mm HRC89 M35 Cobalt Step Drill Bit TiAlN Coated 1 4 Inch Hexagon Shank Step DrillDouble R 1 4 Inch Hexagon Shank Protection Cone Design Super Torque High speed steel cobalt M35 More than 4241 and 6542 high speed steel materials Industrial grade TiAlN plating1 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 DrillproMaterial HSS Co M35 CobaltSurface treatment TiAlN CoatingShank 1 4 Inch Hexagon ShankHardness HRC89specificationStepStep HeightSize3 13115mm3 4 5 6 7 8 9 10 11 12 13mm6 25105mm6 8 10 12 14 16 18 20 22 25mm6 35135mm6 8 10 12 16 18 20 22 25 28 30 32 35mmFeatures 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 Hexagon 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 DrillMore Details
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