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

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 Name 99Pcs M35 Cobalt Twist Drill Bits Set  Brand Drillpro Material HSS-Co M35 Cobalt Size 16 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 x 3.5mm,  8 Pcs x 4mm, 3 Pcs x 4.5mm, 3 Pcs x 5mm 2 Pcs x 5.5mm, 2 Pcs x 6mm, 2 Pcs x 6.5mm 2 Pcs x 8mm, 2 Pcs x 10mm Measurement System Metric Shank Type Straight Shank Shank Shape Round Quantity 99 Pcs × Drill Bits  Note: Cobalt drill bits require slow RPM when drilling metals. The suggested RPM is only for your reference. It may vary from different materials. 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 l