19PCS Twist Drill Bit Set High Speed Steel Titanium Coated Drill Metal Woodworking Drill 1.0~10mm Drilling Power Tools

HSS high speed steel For Higher HeatAbrasion Resistance Heavy Duty Web Construction For StrengthDurability For Metal Drilling Including Heavy Duty Abrasive Alloy Metal Drilling On Steel Cast IronWood Packed in plastic box with label Features Straight Round Shank fits most drill chuck High Quality Material High Speed Steel Material High Efficiency In Drilling MetalsWood Split point tip starts drilling immediately with less force and eliminates walking across the work surface Fine grinding edge belt quick cahip removal Universal round handle design not easy to slip Scope of application wood plastic soft metal iron sheet aluminum alloy etc Specifications Material High speed steelSizes 1 1 5 2 2 5 3 3 5 4 4 5 5 5 5 6 6 5 7 7 5 8 8 5 9 9 5 10mmSurface treatment Titanium Coated anti oxidation more wearable Package included 1 Set Twist Drill 19pcs Note When used on thin materials due to the small resistance the sawtooth part can be sawed directly to form the shape When used on thick materials due to the large resistance the sawtooth part needs to move up and down to saw the shape Detail Pictures