Diamond core drills, drill accessory set, 8-50 mm core drill bit cutter, 10 pieces

High-quality diamond drill bits with economical, fast cutting surface – Made of high-strength nickel-plated carbon steel makes these drill bits durable and precise; the bit tip of the head is made of diamond coating grain 80, which is uniform; it greatly contributes to increasing the drilling speed and sharper than other ordinary saws. 10 pcs mainly used sizes – Contains the following diameters: 8 mm, 10 mm, 12 mm, 14 mm, 16 mm, 18 mm, 20 mm, 22 mm, 25 mm, 50 mm; using laser marking, the size will satisfy most of your different needs. Application – Suitable for use in drilling holes on glass, marble, tile, blocks jars, fiberglass, porcelain and ceramic tile, slate blva0299, granite light stone, etc. It works with all electric drills and impact drills. Nice design – the center holes and side holes help to easily remove waste material; and the nickel-plated surface, extend the service life, improve the surface of the corrosion resistance Notification type – when cutting hard materials, it is important to ensure the milling cutter is kept cool to avoid damaging the material to be drilled and premature wear of the tool; water is necessary for lubrication during drilling, which can extend the life of the drill bit set. Diamond drill bit, hole saw tools drill bits for glass/tile/ceramic/marble/porcelain, hollow core drill bits cutting tool with diamond coating, carbon steel 8 mm-50 mm 10 pcs Diamond drill bit: Diamond drill bits, or diamond core drills, diamond hole saw or reconstituted diamond drill bits. They are often referred to as glass drill or Tile Drill, but since they are used to drill glass, ceramics, porcelain, tiles, ceramic tiles, limestone, slate, marble, granite, stone and clear fiberglass, so they are more general. Product Features: Material: steel Application: suitable for stone, tile, ceramic, glass and granite processing. Good performance, long service life. Perfectly suitable for glass and ceramic tiles make clean accurate holes. An electric drill works best (not included in the project). Instruction: Diagonally start your hole, make a round mark, then drill it. Always use lubrication (water), or Diamond Drill will burn. Through concrete and tile cutting, it is very effective. There is the most heat and it will not damage the drill. Package contents: 10 x diamond drill bit