Diamond Core Drill Bit Set - 11pcs Hole Saw Kit for Porcelain Ceramic Tile Marble Granite

About this item

• Package includes-----Total 11pcs/set: 7pcs core drill bits 1/4''(6mm), 5/16''(8mm), 3/8''(10mm), 1''(25mm), 1-3/8''(35mm), 2''(50mm), 2-1/2''(65mm); 1pc 3/8''(10mm) finger milling bit; 1pc 2''(50mm) beveling chamfer bit; 1pc hex adapter; 1pc 4.5''(115mm) diamond saw blade
• Application-----Suitable for dry/wet drilling Porcelain Ceramic Tile Marble Granite, etc. Beveling chamfer bit and finger milling bit for shape, enlarge and round bevel existing holes. Hex adapter could change the connection of diamond bits from 5/8''-11 thread to hex; Diamond saw blade is suitable for dry or wet cutting of Porcelain Ceramic Tile Marble Granite Quartz Artificial Stone, etc
• High-quality Diamond and Vacuum Brazed-----High-quality base steel, high-quality diamond provides to improve the efficiency of hole drilling. Vacuum brazed technology provides higher processing efficiency and longer working life. Dry or Wet use. Wet using will prolong the working life and get better drilling effect
• EVA Mold Positioner-----Built-in sponge pad can effectively fix the drilling position of the hole saw, assist in positioning (drilling a small slot can remove the sponge pad), making the drilling more accurate. Carrying strap on the outside of Oxford bag, easy to carry
• Recommended Machine-----5/8''-11 Thread Angle Grinder. Recommended speed 6000RPM, maximum speed 11000RPM. If you want to use electric drill or other machine, you can use Hex adapter in the package. (Use electric drill: Before starting drilling, please confirm your drill's RPM, at least over 2000RPM. Faster the RPM, longer the drill bit's working life)