Package List 1 x set of 10 drill bits Characteristics - : adopts imported tungsten carbide, high strength, high hardness and endurance, great abrasion resistance, resistance to bending for longer working life and high work efficiency tungsten carbide drill bits. - diameter: 3 pcb drill bits. - Extraordinary sharpness: Adoption of nanotechnology and advanced grinding technology, the cutting becomes sharper than before, which can the cutting force and drill breaking, improve the drilling accuracy drill bit set. - 10 Assorted sizes: The drill bit set comes in different sizes for each for meeting your using requirements micro drill bits. - Material: Tungsten steel drill bit - Bit diameter: 0.6mm, 0.7mm, 0.8mm, 0.9mm, 1.0mm, 1.1mm, 1.2mm, 1.3mm, 1.4mm, 1.5mm - Color: Assorted color as shown - Wide application: For drilling PCB, , CNC, , plastic, copper, stainless steel, fiberglass, wood, metals, engraving, jewelry making and other precision parts processing. - Strictly symmetrical cutting edge: Conducive to efficient cutting and avoids drilling deviation. Specifications cnc drill bitsGoods Informationmicro drill bits Great for drilling PC boards, plastics, fiberglass, wood, metals, etc.carbide drill bits Imported tungsten carbide ensures its high hardness and endurance.tungsten carbide drill bits This item is a set of 10 pcs professional PCB drill bit set.drill bits for stainless steel The drill bit set comes in different sizes for each for meeting your using requirements.drill bit for stainless steel design drill bits with shaper cutting edge, cutting force and drill breaking, improve the drilling accuracy Tungsten carbide drill bits: wide application: for drilling pcb, , cnc, mold, plastic, copper, stainless steel, fiberglass, wood, metals, engraving, jewelry making and other precision parts processing. Drill bit: 10 assorted sizes: the drill bit set comes in different sizes for each for meeting your using requirements. Cnc drill bits: extraordinary sharpness: adoption of nanotechnology and advanced grinding technology, the cutting becomes sharper than before, which can reduce the cutting force and drill breaking, improve the drilling accuracy. Micro drill bits: : adopts imported tungsten carbide, high strength, high hardness and endurance, great abrasion resistance, resistance to bending for longer working life and high work efficiency. Drill bits for stainless steel: strictly symmetrical cutting edge: conducive to efficient cutting and avoids drilling deviation. ASIN B0CVBJCHZ3 Brand Name UPKOCH Item Weight 1.28 ounces Part Number 185232161715618 Finish Types Chrome Manufacturer UPKOCH Material Type Tungsten Steel Item Dimensions 3.54 x 1.97 x 0.39 inches Tool Flute Type Straight Included Components Drill bit Surface Recommendation Fiberglass, Metal, Stain, Wood