DescriptionThis is a professional drill bit set. It includes drill bits with tip diameters of 1mm,1.5mm, 2mm, 2.5mm, 3mm, each size comes with 10 pieces. Industrial grade high-speed steel for better durability and sturdiness. Suitable for drilling in tough material, including aluminium, cast iron, brass, copper, magnesium alloy, plastics, etc.Feature- Color: Yellow - Material: Stainless steel - Bit diameter: 1mm, 1.5mm, 2mm, 2.5mm, 3mm - High-speed steel with coating treatment, tougher and more abrasion resistant for longer working life and high work efficiency. - 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.
