HSS Twist Drill Bit Set,13Pcs High Speed Titanium Coated Steel Tool with Heat Resistant 1.5mm 6.5mm for Drilling Wood/Metal/Plastic

【PROFESSIONAL TWIST DRILL BItS】: Set of 13 pieces: 1.5mm (1 / 16inch), 2mm (5 / 64inch), 2.5mm (3 / 32inch), 3mm (7 / 64inch), 3.2mm (1 / 8inch), 3.5mm (9/64 inches), 4 mm (5/32 inches), 4.5 mm (11/64 inches), 4.8 mm (3/16 inches), 5 mm (13/64 inches), 5.5 mm (7/32 inches) ), 6 mm (15 / 64 inch), 6.5 mm (1/4 inch) HIGH-QUALITY MATERIAL: Drill bits is made of high-speed steel with titanium coating, which has super heat resistance and long service life. QUICKLY REPLACE THE DRILL BIT: 1/4 inch hexagon handle is suitable for all power tools, which is easier/convenient/safe to use. It is suitable for electric screwdrivers, drill bits, etc., or for standard drill chucks. SMOOTH DRILLING: Designed as a 135° cutting angle prompt, which can automatically center and quickly penetrate with a small pressure. Threaded chip flutes can remove chips and debris faster. AFTER SALE: All Twist Drill Bit support worry-free after-sales service. We will Provide high quality goods and timely after-sales service.