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Description Suitable for drilling in tough material, including aluminium, cast iron, brass, copper, magnesium alloy, plastics, etc.
. Industrial grade high-speed steel for higher durability and sturdiness.
This is a professional 150 pcs drill bit set
Feature
- Color: Silver
- Material:
- Bit diameter: 0.4-3.2mm
- Round design drill bits, accurate and fine, increase drilling speed.
- High-speed steel with coating treatment, and more abrasion resistant for longer working life and high work efficiency.
- for home DIY, building and engineering use etc.
- 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.
end mill bits