68 mm Diamond Hole Saw with Centering Guide, Diamond Core Drill Bit for Glass, Tile, Ceramic, Marble, Granite, Circular Opening, 150 Bore Drill Bit

Excellent material: Generally, high-hardness materials with good wear resistance, such as high-speed steel, are used to meet metal cutting needs.

Superior quality: Our glass hole saw with positioning pilot drill is made of high-quality diamond, a solid hardened steel body, and the surface is coated with a nickel-plated finish that ensures high hardness.

Precise positioning pilot drill design: Each tile hole saw is equipped with a removable positioning pilot drill. The pilot drill bit's cutting head is also coated with a diamond layer, making it sharper and more durable, and effectively securing the hole saw's bore position for quick hole cutting.

Size: Cutting diameter: 68 mm - Cutting depth: 30 mm - Overall length: 70 mm - Triangular shank diameter: 9.5 mm. Cutting depth: 30 mm

Sharp and clean holes: These core drill bits with a thicker diamond coating make the groove edge Sharper and can cut precise, flat-bottomed holes without chipping on smooth surfaces such as ceramic tiles, glass, marble, granite, etc. Terrazzo.

Note: Remember to add water or coolant during the cutting process to prolong the life of the diamond hole saw.