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Description5mm, 2mm, 2. Suitable for drilling in tough material, including aluminium, cast iron, brass, copper, magnesium alloy, plastics, etc. It includes drill bits with tip diameters of 1.2mm, 3.5mm, 3mm, 3. for DIY, home and general building/engineering use.5mm, 4.8mm, 5mm, 5.5mm, 4mm, 4.5mm, each size comes with one piece.This is a professional 13 drill bit set.5mm, 6mm, 6. Industrial grade high-speed steel for higher durability and sturdiness
Feature - ColorAssorted Color
- Material: Tungsten steel
- diameter: 6mm
- 13 sizes of tip: 1.5mm, 2mm, 2.5mm, 3mm, 3.2mm, 3.5mm, 4mm, 4.5mm, 4.8mm, 5mm, 5.5mm, 6mm, 6.5mm, 1 piece of each size, totally 13pcs.
- for home DIY, building and engineering use etc.
- Bit diameter: 1.5mm, 2mm, 2.5mm, 3mm, 3.2mm, 3.5mm, 4mm, 4.5mm, 4.8mm, 5mm, 5.5mm, 6mm, 6.5mm
- design drill bits, accurate and fine, increase drilling speed.
- High-speed steel with tungsten 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, steel, cast iron, and heavy-duty abrasive alloy metal, etc.