11pcs Diamond Core Drill Bit Kit, 9pcs Drill Bits & Adapter For Porcelain Ceramic Granite Marble Masonry Stone With M14 Thread

Produktbeschreibung

【Package Content】 11pcs/box:9pcs drill bits:Diameter 6/8/10/20/25/35/50/68/100mm 1pc HEX Shank to M14 thread Adapter 1pc SDS Plus Shank to M14 thread Adapter. In a Useful Box to Keep them Together and Easy to Find. 【Durable and Efficiency】 High-quality Diamond Grains and Vacuum Brazed Technology Provides High Efficient Working Performance, Faster Drilling Speed and Longer Service Life.6/6/8mm drill bits is dry drill,Containing industrial cooling wax, when working, it automatically melts to cool the drill bit, ensuring that the drill bit work normally and efficiently without water and other flushing media. It has the advantages of precise drilling size, fast drilling speed, low noise, no damage to the mater 【Precision and Clean Cuts】 Diamond drill bits provide precise and clean cuts, allowing for greater accuracy in drilling and englarge/beveling/shaping existing holes. 【Versatility and Convenience】 With a diamond drill bit kit, you have a range of sizes and types to tackle different projects and materials,save your money. 【Recommended Machine】 Recommended Speed 6000-10000RPM.HEX shank Adapter for Electric Drill.Recommended Speed: 2000-5000RPM; Faster the RPM, Longer the Bit's Working Life.