Drillpro 99Pcs M35 Cobalt Drill Bit Set 1.5-10mm HSS-Co Jobber Length Twist Drill Bits For Stainless Steel Wood Metal Dr

Description Drillpro 99Pcs M35 Cobalt Drill Bit Set 1 5 10mm HSS Co Jobber Length Twist Drill Bits For Stainless Steel Wood Metal DrillingSpecifications Product Name99Pcs M35 Cobalt Twist Drill Bits SetBrandDrillproMaterialHSS Co M35 CobaltSize16 Pcs x 1 5 mm 16 Pcs x 2 mm 15 Pcs x 2 5mm 10 Pcs x 3mm 10 Pcs x 3 2mm 8 Pcs x3 5mm 8 Pcs x 4mm 3 Pcs x 4 5mm 3 Pcs x 5mm2 Pcs x 5 5mm 2 Pcs x 6mm 2 Pcs x 6 5mm2 Pcs x 8mm 2 Pcs x 10mmMeasurement SystemMetricShank TypeStraight ShankShank ShapeRoundQuantity99 Pcs Drill BitsNote Cobalt drill bits require slow RPM when drilling metals The suggested RPM is only for your reference It may vary from differentmaterials You can start from a lower RPM and adjust it higher slowly Once the bit can get into the workpiece the adjustmentshould be stopped Features M35 cobalt 5 cobalt added for higher hardness and heat resitance The Rockwell hardness is up to 67 It can cut faster andhas a long life up to 12 times compared with the average HSS bit Self centering The guiding separation point of 135° rapid cutting is self centering which can penetrate quickly with lesspressure The straight handle can be firmly fixed and accurately centered which is suitable for standard bit chuck andconventional round chuck Efficient drilling without walking Remove chips and particleseasier and faster The lowest cost per hole drilled Solid cobalt steel drill bit body can be resharpened Split point Drill directly to the size needed without pre