Specification Brand : JeeynoTols BulletPoint1 : 【Recommended Machine】 With 5/8-11 thread, 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; tile bit title tools BulletPoint2 : 【High Precision & Clean Cuts】 U-Grooves design fast chip removal, high-temperature resistant process allowing for greater accuracy in drilling and englarge/beveling/shaping existing holes. BulletPoint3 : 【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. BulletPoint4 : 【More Versatility & Convenience】 With a diamond drill bit set, you have a Range of sizes and types to tackle different projects and materials,save money. BulletPoint5 : 【Package Content】 6PCs Drill Bit:Diameter 1/4"(6mm),1/4"(6mm),1"(25mm),1-3/8"(35mm),2"(50mm),2-1/2"(65mm) with 5/8-11 thread. 1PC Diamond Beveling Chamfer Bit:2"(50mm)with 5/8-11 thread. 2PCs Adapters:1pc 5/8-11 Thread to SDS Plus Shank and 1pc 5/8-11 thread to Triangle Shank. In a Useful Box to Keep them Together and Easy to Find IncludedComponents : 2pcs ItemName : JeeynoTols 9PCs Diamond Drill Bit Set,1/4", 1/4", 1", 1-3/8", 2", 2-1/2" Drill Bits & 2" Beveling Chamfer Bit & 2PCs Adapters, Tool Box for Ceramic Tile Marble Porcelain 5/8-11 Thread ItemTypeKeyword : masonry-drill-bit-sets Manufacturer : JeeynoTols ModelNumber : D02015801H2 NumberOfItems : 1 PartNumber : D02015801H2 ProductDescription : JeeynoTols 9PCs Diamond Drill Bit Set,1/4", 1/4", 1", 1-3/8", 2", 2-1/2" Drill Bits & 2" Beveling Chamfer Bit & 2PCs Adapters, Tool box For Ceramic Tile Marble Porcelain 5/8-11 Thread power drill bit,hole saw diamond bits,drill bit set sharpner ProductSiteLaunchDate : 2025-04-01T03:32:59.056Z SupplierDeclaredDgHzRegulation : not_applicable SupplierDeclaredHasProductIdentifierExemption : 1 UnspscCode : 20121600