8pcs Higher Quality Diamond Hole Saw Drill Bit, 20/35/50/68/100mm Drill Bits & 25mm Drill Milling Bit & 50mm Beveling Chamfer Bit & Adapter For Ceramic Tile Marble Porcelain With M14 Thread, Tile Bit,

Produktbeschreibung

【Size】8pcs/box: 5pcs drill bits:Diameter 20/35/50/68/100mm, 1pc 25mm Finger Milling Drill Bit, 1pc 50mm Beveling Chamfer Bit, 1pc HEX Shank Adapter.In a Useful Box to Keep them Together and Easy to Find. 【Application】 EXFEIN core drill bits are used to drilling holes for porcelain ceramic tile marble granite, etc. Dry or wet use. Wet drilling with less debris for longer life. 【Fast drilling】 Lightning teeth has wide chip removal slots, dust can be quickly discharged when drilling, not easy to be clogged. 【High Durable & 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 6000RPM;Triangle Adapter for electric drill,recommended speed 2000-5000RPM;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.