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Description
. Industrial grade high-speed for higher durability and sturdiness. Suitable for drilling in tough material, including aluminium, cast iron, brass, copper, magnesium alloy, plastics, etc.
This is a professional 5 pcs countersink drill bit set
Feature
- Color: As shown
- Material: High
- for home DIY, building and engineering use etc.
- Round design drill bits, accurate and fine, increase drilling speed.
- Bit diameter: 7.6 x 0.5 x 0.5mm
- High-speed with coating treatment, tougher and more abrasion resistant for longer working life and high work efficiency.
- Mainly for drilling wood, plastic, fiberglass, printed circuit board, and metal including copper, aluminum, tool , cast iron, and heavy-duty abrasive alloy metal, etc.
countersinking bits