Diamond Core Drill Bits Kit - JeeynoTols 9pcs Diamond Hole Saw Set(25/35/50/65/100mm Drill Bit+4/5" Drilling Milling Bit+2" Beveling Chamfer Bit+Adapter) for Porcelain Tile Ceramic Marble 5/8-11 - D02025801

• Size:Drill Bit:Diameter 1"/1-3/8"/2"/2-1/2"/4"（25/35/50/65/100mm)with 5/8-11 thread,Diamond milling bit:4/5"(20mm)with 5/8-11 thread,Diamond Beveling Chamfer Bit:2"(50mm)with 5/8-11 thread,Adapters:1pc 5/8-11 Thread to SDS Plus Shank and 1pc 5/8-11 thread to Triangle Shank. Durable and Efficiency:High-quality Diamond Grains and Vacuum Brazed Technology Provides High Efficient Working Performance, Faster Drilling Speed and Longer Service Life. 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:Angle Grinder with 5/8-11 thread.Recommended Speed 6000RPM.Hammer Drill, you can use SDS Adapter but have to shut down hommer moder when using these bits.Triangle Adapter for Electric Drill.Recommended Speed: 2000-5000RPM. Faster the RPM, Longer the Bit's Working Life.