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 Tool Set Kit Deburr Countersink Bit
- ...ensure sharpness, speed, and maintain strength and efficiency..
- Improve Efficiency - Drilling, tapping, deburring, and countersinking can complete the processing of copper, brass, aluminum, sheet metal, low carbon steel, and plastic at one time, improving work efficiency. Deepening the chip flute helps to remove the chips and debris on the tap, reducing friction and heat, so as to achieve a faster and colder drilling process..
- Easy to Carry - This drill tap bits set is equipped with a storage box, which is convenient to carry and helps to keep the drill bit tidy..