Drillpro DB-TD13 M35 Cobalt Drill Bit Set Titanium Coating HSS-Co Jobber Length Twist Drill Bits with Metal Case for Sta

Descriptions Drillpro DB TD13 M35 Cobalt Drill Bit Set Titanium Coating HSS Co Jobber Length Twist Drill Bits with Metal Case for Stainless Steel Wood Metal DrillingSpecification BrandDrillpro Product nameDrillpro M35 Cobalt Twist Drill Bits SetCoatingTitanium CoatingMaterialHSS Co M35 CobaltSize optional 13PCS 1 5 2 0 2 5 3 0 3 2 3 5 4 0 4 5 4 8 5 0 5 5 6 0 6 5 mm19PCS 1 0 1 5 2 0 2 5 3 0 3 5 4 0 4 5 5 0 5 5 6 0 6 5 7 0 7 5 8 0 8 5 9 0 9 5 10 0mm25PCS 1 0 1 5 2 0 2 5 3 0 3 5 4 0 4 5 5 0 5 5 6 0 6 5 7 0 7 5 8 0 8 5 9 0 9 5 10 0 10 5 11 0 11 5 12 0 12 5 13 0mmMeasurement SystemMetricShank TypeStraight ShankQuantity13 19 25PCS Metal CaseDiameter mm Total length mm Working length mm Suggested RPM1341230001 5391724002482218002 5553016003623314003 5693812004744410004 57948900586528005 59358750693587006 5100646507109706007 5109705508116755008 5116754509125834009 5125833251013390350Note 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 adjustment should be stopped Features ● Titanium coating heat and wear resistance better drill performance ● M35 cobalt 5 cobalt added for higher hardness and heat resitance The Rockwell hardness is up to 67 It can cut faster and has a long life up to 12 times compa