Dry Diamond Drill Bit Set - FOCSTOL 10pcs Diamond Hole Saw Kit & Carbide Drill with Round Shank for Ceramic Porcelain Tile Marble Granite (8mm*8+6mm*2)

• 【Size】Totally 10pcs/set: Diameter 8pcs 8mm drill bits+2pcs 6mm carbide drill; total length 65mm; diamond height 8mm; diamond grit #50/60; round shank
• 【Application】Suitable for dry or wet drilling in Porcelain Ceramic Tile Marble Granite Artificial Stone Quartz, etc. Wet using will prolong the working life. Round shank design for stable clamping, smooth and easy drilling
• 【Cooling Wax & Vacuum Brazed Technology】The inside of drill bits are filled with cooling wax, help heat dissipation and chip evacuation. Vacuum brazed technology and high-quality diamond grains provides fast and smooth drilling, longer working life
• 【Carbide Drill】Carbide Drill sloves the problem of diamond bit drifting and walking. Provide more precise positioning and easier drilling
• 【Recommended Machine】Corded Drill, Cordless Drill, Benchtop Drill. Use electric hand drill: Recommended speed not less than 2000RPM; Faster the RPM, longer the drill bit's working life. When use Angle Grinder, please install angle grinder drill chuck

Total 10pcs/set Size: Diameter 8pcs 8mm drill bits 2pcs 6mm carbide drill bits; Total length 65mm; Diamond height 8mm; Diamond grit 50/60; Round shank. Application Suitable for dry or wet drilling in porcelain, ceramic tile, marble, granite, artificial stone, quartz, etc. Using in wet area will extend the service life. Round shank design for stable clamping, smooth and easy drilling. Cooling wax and vacuum brazed technology The inside of the drill bits is filled with cooling wax to assist heat dissipation and chip evacuation. Vacuum brazed technology and high quality diamond grits ensure fast and consistent drilling as well as longer service life. Carbide Drill The carbide drill avoids the problem of diamond drill drifting and wandering. Ensures more precise positioning and easier drilling. Recommended Machines Corded Drill, Cordless Drill, Bench Drill. Use an electric hand drill: Recommended speed not less than 2000 rpm; the higher the speed, the longer the service life of the drill bits. If you use an angle grinder, please install the angle grinder chuck.