HOMEMAXS 7 Pcs Woodworking Drill Bit Set Countersink Bits High-speed Steel

Description

This is a professional 7 pcs drill bit set. Industrial grade high-speed steel for higher durability and sturdiness. Suitable for drilling in tough material, including aluminium, cast iron, brass, copper, magnesium alloy, plastics, etc.

Feature

- Color: Silver
- Material:
- Bit diameter: 3mm, 4mm, 5mm, 6mm, 7mm, 8mm, 10mm
- High-speed steel with coating treatment, tougher and more abrasion resistant for longer working life and high work efficiency.
- Solid and easy to use.
- Round design drill bits, accurate and fine, increase drilling speed.
- Mainly for drilling wood, plastic, fiberglass, printed circuit board, and metal including copper, aluminum, tool steel, cast iron, and heavy-duty abrasive alloy metal, etc.
- for home DIY, building and engineering use etc.