Drillpro Twist Drill Bit Set for Metal & Wood Titanium Coated HSS Drill Bits with Storage Box Power Tools Accessories

Descriptions Drillpro Twist Drill Bit Set for MetalWood Titanium Coated HSS Drill Bits with Storage Box Power Tools AccessoriesSpecification BrandDrillpro Product nameDrillpro HSS 4214 Titanium Coated Twist Drill Bits SetMaterialHSS 4214 Titanium CoatedSize optional 13PCS 1 5 6 5mm 1 5 2 2 5 3 3 2 3 5 4 4 5 4 8 5 5 5 6 6 5mm19PCS 1 10mm 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 13mm 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 0mmShank TypeStraight ShankQuantity13 19 25PCS Plastic CaseNote 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 ● Self centering The guiding separation point of 135° rapid cutting is self centering which can penetrate quickly with less pressure The straight handle can be firmly fixed and accurately centered which is suitable for standard bit chuck and conventional 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 drilling● Fully ground