100% brand new and noble quality. Suitable for drilling, tapping, cutting on soft metal, aluminum plate, iron, etc. Fast replacement composite cone, uses drill edged principle. Drilling and tapping in one, one-step processing, greatly save processing steps and time costs, improve working efficiency. Self-centering point, do not need assistant center drilling or center punching. High hardness, rustproof, solid and durable.

• Material: HSS
• Color: silver tone Full length: 56mm Blade length: 28mm Shank length: 30mm
• Shank diameter: 6.35mm hex shank(1/4")
• Blade diameter Weight 001 6-32NC(3.5mm) about 8g 002 8-32NC(4.2mm) about 8g 003 10-24NC(5mm) about 9g 004 10-32NC(5mm) about 9g 005 12-24NC(5.7mm) about 10g 006 1/4-20NC(6.35mm) about 11g
• Package Included: 6x Hex Shank HSS Drill Bit & Screw Tap of Imperial Units

Material: HSSimported