Specification Brand : EXFEIN BulletPoint1 : 【Specification】10pcs/set. This kit contains 7pcs diamond core drill bits(6/6/8/19/35/50/65mm); 1pc 4/5" diamond finger bit; 1pc 2" diamond chamfer bit; 1pc connect 5/8"-11 thread to SDS adapter. BulletPoint2 : 【Application】EXFEIN core drill bits are used to drilling holes; finger bit for enlarging holes; chamfer bit for trimming holes; For porcelain ceramic tile marble granite, etc. Dry or wet use. Wet drilling with less debris for longer life BulletPoint3 : 【Machine】5/8" arbor angle grinder. Recommended speed 6000RPM; Maximum speed 11000RPM. sds adapter in this kit can be attached to a drill bit with a 5/8" fitting so that the drill bit can be attached to your drill machine with sds-plus thread. If you are using this kit on a hand drill, make sure that the drilling speed does not go below 2000 RPM. and do not use the impact drill mode. BulletPoint4 : 【Durability】Vacuum Brazed technology combines a high-quality steel matrix with diamonds in a scientific ratio and provides high efficient working performance and longer service life. BulletPoint5 : 【Fast drilling】Lightning teeth has wide chip removal slots, dust can be quickly discharged when drilling, not easy to be clogged. ItemName : EXFEIN Tile Hole Saw Kit 10pcs - Diamond Core Drill Bits Set (1/4"-2-1/2") & SDS Adapter for Tile Porcelain Ceramic Marble Granite with 4/5" Diamond Finger Bit and 2" Chamfer Bit Trimming Holes ItemPackageDimensions_Height : 12.5 centimeters ItemPackageDimensions_Length : 25 centimeters ItemPackageDimensions_Width : 19.5 centimeters ItemPackageQuantity : 10 ItemTypeKeyword : core-drill-bits Manufacturer : EXFEIN Material : Diamond NumberOfItems : 10 PartNumber : EX2-DB-E101 ProductSiteLaunchDate : 2024-05-16T05:18:52.510Z Style : K1 SupplierDeclaredDgHzRegulation : not_applicable