Specification Brand : BeQell BulletPoint1 : [Size] --1pc 82mm, 49mm workable Depth, 5/8-11 Thread, Grit #80, total Length 60mm BulletPoint2 : [Wide Applications] --diamond cone tile bit is designed to trim,enlarge,shape,round bevel existing holes in tile,Porcelain, Granite and Marble.cone drill bit is very useful to improve the edge finishing of exposed holes,reduce the risk of cracking with standard and large format tiles subjected to tension (ex tightened plumbing, led lights etc),Bevel Ease chamfers and stress relieves rough holes in glass,ceramic and porcelain tiles. BulletPoint3 : [Save your money] --Using our tile cutting tools to expand existing holes to different sizes or shapes(0-50mm), no need to buy several core drill bits,which will save your money greatly! BulletPoint4 : [Machine] --Angle grinder 5/8-11 thread BulletPoint5 : [Note]--This is not a diamond bits for drill. It doesn’t make holes but it bevels the hole cleaning and reinforcing the borders when the borders are chipped or need to be clean Color : Orange ExternallyAssignedProductIdentifier : 9367909003930 FinishType : Diamond ItemName : Diamond Beveling Chamfer Bits 82mm x 5/8-11 Thread Finger Milling Bits for Enlarging,Trimming The Existing Holes in Tile Marble Granite Ceramic Countersink Drill Bits ItemPackageDimensions_Height : 45 millimeters ItemPackageDimensions_Length : 35 millimeters ItemPackageDimensions_Width : 82 millimeters ItemTypeKeyword : countersink-bits Manufacturer : BeQell Material : Diamond ModelNumber : 9367909003930 NumberOfFlutes : 2 NumberOfItems : 1 PackageLevel : unit PartNumber : 82 ProductDescription : Our chamfer bits are worked perfect to enlarge holes in marble counter top/porcelain sinks to replace faucet,expand holes in shower tile to fix shower door,or toilet bowl to make the flush lever hole slightly larger. You could use our diamond finger bits for bathroom remodel,includes installing faucet,handles,shower plumbing,shower doors,conduit,grab bar,brackets in porcelain for both hooks and glass shelves,hang towel fixtures.or thread power wires through cement,make holes in the bottom of plant pots,or install garbage disposal button, soap dispenser and filtered water through a granite counter. If you want to drill different size holes and you have only one size drill bit ,you could use our diamond finger bit to enlarge different size hole,which will save your money greatly! Our diamond finger bit has used vacuum brazed technology ,which increases resistance to temperature and friction,high hardness and heavily coated diamond imporve the sharpness and lifetime. ATTENTION:This is not a core bit for drilling. It doesn’t make holes but it bevels the hole cleaning and reinforcing the borders when the borders are chipped or need to be clean.