Specification Brand : BGTEC BulletPoint1 : diameter 14mm, diamond length 10mm,Hex Shank Quick-fit BulletPoint2 : Multi-purpose drilling for granite & marble, masonry, concrete, tile/ceramic, stone BulletPoint3 : Wax inside for cooling,our Diamond Tipped Drill Bits have wax cores built-in which automatically absorb and dissipate heat as you go BulletPoint4 : Dry drilling and Use water for longer time.Notice:Please use with water when drilling granite BulletPoint5 : Vacuum Brazed diamond technology provide very high efficiency,cuts faster and lasts longer Color : Orange CuttingAngleString : 45.0 degrees ExternallyAssignedProductIdentifier1 : 769891571456 ExternallyAssignedProductIdentifier2 : 0769891571456 FinishType : Powder coated GpsrSafetyAttestation : 1 ItemName : BGTEC Dry Diamond Drill Bits 5pcs 3/5 Inch 14mm with Quick Change Hex Shank for Granite Marble Porcelain Tile Ceramic ItemPackageDimensions_Height : 9.8044 centimeters ItemPackageDimensions_Length : 1.8034 centimeters ItemPackageDimensions_Width : 9.398 centimeters ItemPackageQuantity : 5 ItemTypeKeyword : core-drill-bits Manufacturer : BGTEC Material : Artificial diamond and Steel body ModelNumber : DBT2214U5 NumberOfItems : 1 PartNumber : DBT2214U5 ProductDescription : Product Name: Hex Shank Quick-fit drilling bits Color: Orange. Application : Dry drilling for granite & marble, masonry, concrete, tile/ceramic, stone..... Specification: Hex shank Quick-fit , available diameter 6mm 1/4", 8mm 5/16", 10mm 3/8", 12mm, 14mm, diamond length 10mm 3/8" Feature: 1.Wax inside for cooling, Dry drilling 2.Vacuum Brazed diamond technology provide very high efficiency, multi-purpose drilling 3.Long life drilling Quick Tips 1.Place the drill at a 45 degree angle 2.Drilling till the hole start to form 3.Bring the drill up into upright position 4.Continue to drill and swaying the machine along a circle