13-Piece HSS Twist Drill Bit Set, High-Speed Steel Hex Bits with Titanium Coating, 1.5mm - 6.5mm, for Drilling Wood/Metal/Plastic

Set of 13 professional drill bits: 1.5 mm, 2 mm, 2.5 mm, 3.2 mm, 3.5 mm (62.6 cm), 4 mm (5/32"), 4.5 mm (11/64"), 4.8 mm (3/16"), 5 mm (13/64"), 5.5 mm (7/32"), 6 mm (15/64"), 6.5 mm (1/64"), 6.5 mm (1/32") (10.2 mm). High-quality material: The drill bits are made of high-speed steel with a titanium coating, which offers superior heat resistance and a long service life. Quick drill bit replacement: The 6.35 mm hex shank is compatible with all power tools, making it easier, more convenient, and safer to use. It is suitable for electric screwdrivers, drill bits, etc., or for standard drill chucks. Smooth drilling: designed with a 135° cutting angle, which can automatically center and penetrate quickly with minimal pressure. The threaded chip flutes can remove chips and debris more quickly.