11pcs Higher Quality Diamond Hole Saw Drill Bit, Trangle Shank, 6/8/10/20/25/28/ 32/35/45/65mm Bits & 50mm Beveling Chamfer Bit For Ceramic Tile Marble Porcelain

11pcs Higher Quality Diamond Hole Saw Drill Bit, Trangle Shank, 6/8/10/20/25/28/ 32/35/45/65mm Bits & 50mm Beveling Chamfer Bit For Ceramic Tile Marble Porcelain, Tool Set, Tile Bit, Tool Tile Tool, Tilesaw, Core Tile Drill, Tile Bit, Title Saw Blade

• Size: 11 pieces/box: trangle shank 10 pieces drill bits with trangle shank: diameter 6/8/10/20/25/28/32/35/45/65 mm, 1 x 50 mm chamfer milling bit with hex shank. In a Useful Box to Keep them Together and Easy to Find.
• Application: EXFEIN core drill bits are used to drill holes for porcelain ceramic tile marble granite, etc. Dry or wet use. Wet drilling with less debris for longer life.
• Fast drilling: Lightning teeth have wide chip removal slots, dust can be quickly discharged when drilling, not easy to be clogged.
• High durable and efficiency: high-quality diamond grains and vacuum brazed technology provides high efficient working performance/faster drilling speed/longer service life. Treated by special high-temperature resistant process, can be used directly dry drilling, also with water to extend service life.
• Recommended machine: recommended speed 6000 RPM; triangle adapter for electric drill, recommended speed 2000-5000 RPM; Faster the RPM, longer the bit's working life; Hammer drill,you can use SDS adapter but have to shut down hommer moder when using these bits.