80mm diamond drill bit with center guide, hole saw for surface-coated tiles, for cutting glass and ceramic tiles

【Superior Quality】: Our glass hole saw with a positioning pilot drill is made of high-quality diamond and a hardened steel body. It is solid and features a nickel-plated surface, ensuring high hardness, rust protection, corrosion protection, and a long service life.

【Precise Positioning Pilot Drill Design】 Each tile hole saw is equipped with a removable positioning pilot drill. The cutting head of the pilot drill is also diamond-coated, making it sharper and more durable, and effectively fixing the hole position so you can cut holes quickly.

【Size】 Cutting Diameter: 80 mm, Cutting Depth: 35 mm, Overall Length: 70 mm, Triangular Shank Diameter: 10 mm.

These diamond drill bits with a thicker diamond coating create a cleaner groove edge and can cut precise holes every time. Flat bottom and no chipping on smooth surfaces such as porcelain stoneware, ceramic, glass, marble, granite, etc. Terrazzo. Cutting depth up to 30 mm.

【Easy to Handle】 The operation is simple without the need for special guide tools. Use the tile hole saw installed with the positioning drill to position the hole, remove the positioning drill after placement, and then cut the hole directly with the tile hole saw. Note: Remember to add water or coolant during the cutting process to prolong the life of the diamond hole saw. Special Features: 1) High-Quality Materials: Made with a high-quality diamond blade and a hardened steel body. Solid construction, guaranteeing its high hardness and long-lasting performance. 2) Unique pilot drill positioning design: Designed with a removable pilot drill positioning bit, so this glass hole saw can easily open holes without the need for manual operation. 3) Wide application: Can be used to drill holes in smooth surfaces such as ceramic tiles, glass (except tempered glass), marble, granite, and terrazzo. Specifications: Material: High-quality diamond + hardened steel body. Triangular handle diameter: 9.5 mm. Cutting depth: 35 mm. Package contents: 1 x Diamond hole saw. 1 x Pilot drill positioning bit. 1 x Wrench. Note: Remember to add water or coolant during the cutting process to prolong the life of the hole saw.