YDLQWCZ Combination Drill Tap Bit 6-32nc 8-32nc 10-32nc 10-24nc 12-24nc 1 4-20nc Set of 6 Screw Tap Bit 1 4 Inch Hex Shank HSS Spiral Flute Tapping To

YDLQWCZ 6pcs Combination Drill and Tap Bit (6-32NC 8-32 NC 10-32 NC 10-24 NC 12-24 NC 1/4-20 NC) Specification: ?Material: High-speed Steel (HSS 4341) ?Color: Silver ?Type of shank: 1/4 inch Hex Shank(quick change for cordless drill ) ? Bit size:6-32NC (3.5mm), 8-32NC(4.2mm), 10-32NC(5mm), 10-24NC (5mm), 12-24NC(5.7mm), 1/4-20NC(6.35mm) Description: ?Complete hole drilling, tapping, deburring and countersinking in one operation. ? One-step processing, greatly save processing steps and time costs, improve working efficiency. ?Back tapered beyond tap to prevent thread damage from over-drilling. ?Made from high-speed steel, Hard, Rustproof, Solid and Durable. ? Suitable for Wood, Aluminium Plate, Plank, Plastic, sheet metal and other soft materials. They are not suitable for drill and tap in very hard metals. Package Includes: ? 6pcs tap drill bits set NOTE: - YDLQWCZ Tap Drill Bits is suitable for rapid drilling and tapping. It is recommended to use it on the tapping machine. - When using with the hand drill, pay attention to the operation method. Excessive shaking and tilting will affect the tapping and even break the tap.