Titanium Coated Twist Drills Bit Set - 13Pcs 1 16 inch-1 4 inch Hex Shank Quick Change HSS Drill Driver Bits Hole Drilling Tool for Wood Plastic Aluminum Alloy

Features: * The cutting edge is hardened and polished to keep it sharp. * Threaded chip flutes remove chips and particles faster. * Fits into all your power tools without fear of it falling out. * Each bit is individually labeled with the corresponding bit size . * Titanium coating increases the ware-resistance and durability, effect long life drilling. Specification: Color: Gold Material: HSS,Titanium Coating Angle Point: 135 Degree Flute Type: Spiral Shank Type: Hex Shank Shank Diameter: 6.35mm / 1/4inch Product Size: 1.5mm - 1/16" | 2.0mm - 5/64" | 2.5mm - 3/32" 3.0mm - 7/64" | 3.2mm - 1/8" | 3.5mm - 9/64" 4.0mm - 5/32" | 4.5mm - 11/64" | 4.8mm - 3/16" 5.0mm - 13/64" | 5.5mm - 7/32" | 6.0mm - 15/64" | 6.5mm - 1/4" Package including: 1 x Hex Shank Twist Drill Bit Set (13pcs) Notes: 1.At the drilling, please wear good protective measures, in case of wood chips splash hurt eyes. 2.It is not suitable to drill marble, granite, full ceramic tiles, vitrified tiles and floor tiles.3. Please keep the direction of force always vertical and uniform force rotation, otherwise the drill is easy to break.