Diamond drill bit, hole saw, drill bit accessory set for cutting glass/tile/ceramic/marble/porcelain, core drill bits, cutter with stainless steel, carbon, 8-50 mm, 10 pieces

High-quality, rust-free diamond drill bit set for fast cutting – Made from high-strength carbon steel with a nickel-plated surface, these drill bits are durable and precise. The drill bit tip is coated with an 80-grit diamond coating for uniform cutting action, greatly increasing drilling speed and making them sharper than ordinary hole saws. Set of 10 most commonly used sizes: Includes the following diameters: 8mm, 10mm, 12mm, 14mm, 16mm, 18mm, 20mm, 22mm, 25mm, and 50mm. Laser markings ensure the size meets most of your needs. Application: Suitable for drilling holes in glass, marble, tile, glass blocks, fiberglass, porcelain, ceramic tile, slate, granite, clear stone, etc.

Works with all electric drills and impact drills. Attractive design: the central pilot holes and side holes help remove debris easily; and the surface nickel plating extends service life and improves surface corrosion resistance. Note: When cutting hard materials, it is important to ensure the cutter is kept cool to avoid damaging the material being drilled and premature wear of the cutter. Water is necessary for lubrication during drilling, which can extend the life of the drill bit set. Set of 10 diamond drill bits for cutting glass/tiles/ceramics/marble/porcelain, hollow drill bits with diamond coating, carbon steel 8-50 mm. Diamond drill bit: Diamond drill bits or diamond core drill bits, diamond hole saw or bonded diamond core drill bits. They are often called glass drills or tile drills, but since they are used to drill glass, ceramics, porcelain, tiles, ceramic tiles, limestone, slate, marble, granite, stone, and fiberglass, they are more general. Product Features: Material: Steel. Hole Saw Diameter: 8mm, 10mm, 12mm, 14mm, 16mm, 18mm, 20mm, 22mm, 25mm, 50mm. Application: Suitable for processing stone, tiles, ceramics, glass, and granite. Good performance, long service life. Very suitable for glass and ceramic tiles for precise and clean holes. An electric drill works best (not included). Instructions: 1. Start your hole diagonally, make a mark, then drill. 2. Always use lubrication (water), or a diamond drill bit will burn. 3. Thanks to its ability to cut concrete and tiles, it is very efficient. It generates minimal heat and won't damage the drill. Contents: 10 diamond drill bits