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Get it between 2025-01-01 to 2025-01-08. Additional 3 business days for provincial shipping.
Specification: Total 9pcs/set: 8pcs core drill bits with round shank: 6/8/10/12/20/25/32/35mm; 1pc 1-3/8''(35mm) beveling chamfer bit with hex shank
Application: Suitable for drilling Porcelain Ceramic Tile Marble Granite, etc. Diamond core drill bits for drilling holes. Beveling chamfer bit for shape, enlarge and round bevel existing holes
U-grooves Design: The inside of 6-10mm drill bits are filled with cooling wax, help heat dissipation and chip evacuation. 4pcs U-grooves above 20mm, good for heat dissipation and debris removal, with higher efficiency and better performance
Vacuum Brazed Technology: Vacuum Brazed Technology and high quality diamond grains provides fast and smooth drilling, longer working life
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