Specification Brand : JeeynoTols BulletPoint1 : 【Package Content】11pcs/box drill bits:Diameter (6/8/10/12/14/20/25/28/32/35/38mm) 1/4", 5/16", 3/8", 1/2", 9/16", 4/5", 1", 1-1/8", 1-1/4", 1-3/8", 1-1/2", Trangle Shank,In a Useful Box to Keep them Together and Easy to Find. 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 : 【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; 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 : 【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. Color : 14mm ExternallyAssignedProductIdentifier : 4978674719763 GpsrSafetyAttestation : 1 IncludedComponents : 11PCs ItemName : Jeeynotols Daily Dry Diamond Core Drill Bit Kit, 11PCs 6/8/10/20/25/28/32/35/45/65mm Drill Bits,Trangle Shank & 50mm Beveling Chamfer Bit for Ceramic Tile Marble Porcelain,Hole Saw Kit ItemTypeKeyword : core-drill-bits Manufacturer : JeeynoTols ModelNumber : D0113HEXK5-v2H4 NumberOfItems : 11 PartNumber : D0113HEXK5-v2H4 ProductDescription : Jeeynotols Daily Dry Diamond Core Drill Bit Kit, 11PCs 6/8/10/12/14/20/25/28/32/35/38mm Drill Bits for Ceramic Tile Marble Porcelain with Trangle Shank Thread,Hole Saw Kit,Tile Bit Title Tools Tilesaw,Tool Box Tool Set,Power Drill Tool,Drill Bit Sharperner ProductSiteLaunchDate : 2025-05-13T06:06:50.782Z Size : Round SupplierDeclaredDgHzRegulation : not_applicable SupplierDeclaredHasProductIdentifierExemption : 1 UnspscCode : 27112800