Mesee Mesee 6 Pieces Combination Drill Tap Bit Set, Nitriding Coating HSS Taps Drill Bits 1/4-Inch Hex Shank Spiral Screw Thread Tapping Bits in SAE Size 6-32NC 8-32NC 10-24NC 10-32NC 12-24NC 1/4-20NC

description About this item HSS Combination Drill & Taps Bit Set - Made of high-speed steel with nitriding coated, features high hardness and durability, and wear resistance. 6 Different SAE Size - 6-32NC(3.5mm), 8-32NC( 4.2mm), 10-32NC( 5mm), 10-24NC( 5mm), 12-24NC( 5.7mm), 1/4-20NC( 6.35mm), each tap drill is engraved with its size for identity. 1/4-Inch Hex Shank Tap Drill Bits - Standard shank countersink bits with anti-slip design for easy and quick change, suitable for cordless drills, electric screwdrivers, bench drills, and other tap machines. 3-in-1 Drill Tap Bits - Complete hole drilling, tapping, deburring, and countersinking in one operation. Self-Centering points, do not need assistant center drilling or center punching. Back tapered beyond tap to prevent thread damage from over-drilling. Widely Used - Used for drilling, tapping, deburring, and countersinking holes on plastic, PVC, fiberboard, wood, and soft thin metal plates like copper, brass, and aluminum. Perfect tool set to have for tapping, small repair projects, DIY projects, and home maintenance. See more product details