Specification Brand : Generic BulletPoint1 : Metal & Material: Steel BulletPoint2 : Type: Compatible with Diamond Drills BulletPoint3 : Drill Bits: 1.75mm BulletPoint4 : ✔Diamond Core Drill Bit are worked great for dry drilling holes through porcelain tile, ceramics, bathroom tile,marble granite,stone,masonry, brick with ease,Using water could prolong the lifetime BulletPoint5 : ✔ATTENTION-this chamfer bit can NOT BE USED TO DRILL HOLES.Wide Applications -- enlarge/shape/round the EXISTING 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 Color : Silver CuttingAngleString : 60.0 degrees FinishType : Diamond ItemName : Four - 4-1.75mm Diamond Drills Lapidary Equipment ItemTypeKeyword : core-drill-bits Manufacturer : gemshow7 Material : Diamond NumberOfPieces : 1 PartNumber : Steel 1.75mm 101a823e-407d-4aaf-9 ProductDescription : Four - 4 - 1.75mm Diamond Drills Lapidary Equipment ProductSiteLaunchDate : 2022-05-21T14:51:06.995Z Size : Standard Style : Diamond Core Drill Bit&Diamond Beveling Chamfer Bit SupplierDeclaredDgHzRegulation : not_applicable SurfaceRecommendation : Metal,Steel UnitCount : 1 UnspscCode : 20121607