General description Professional diamond hole saw made of high-strength carbon steel with a diamond-coated drill bit, offering excellent cutting ability, rustproof durability, high torque, and long life. Ideal for drilling through porcelain, glass, marble, ceramic, rock, and granite. Technical specifications Diameter: 80mm Material: High-strength carbon steel with diamond coating Installation Cut a 45° bevel to start Open the positioning crescent groove Clamp the arbor in the correct position Usage Drill at a uniform speed Keep the bit moist while drilling to avoid overheating Use protective measures when working with wood
Availablity: 3-5 days
Free shipping & return for orders over $200