Specification Brand : JeeynoTols BulletPoint1 : 【Package content】:Including 2pcs/set Diameter 1-1/4" (32mm) Core Drill Bits With Triangle Shank.diamond height 10mm, total length 65mm, diamond grit #40/45; the recommend speed is 2000rpm, the max speed is 5000rpm BulletPoint2 : 【Application】:Treated by a special high-temperature resistant process.Able to Dry Drill Through Porcelain, Tile, Granite, Marble, Stone, Masonry, Block, Brick, and Non-Reinforced Concrete.It has the advantages of precise drilling size, fast drilling speed, low noise, no damage to the material periphery, no need for subsequent processes, safety and environmental protection, and cost savings. If you are working in a situation where water cannot be used for cooling (e.g. on walls, roofs, etc.) or if you are a one-man operation, a dry drill is the best choice. BulletPoint3 : 【Feature】:Vacuum brazing technology makes the High-quality diamond grain firmly bonded to the matrix, and the diamond exposure is higher, the processing efficiency is higher, and the service life is longer. BulletPoint4 : 【U-grooves Design】:U-grooves helps heat dissipation and debris removal, with higher efficiency and better performance.Triangle shank design can be gripped tightly that won't slip out easily. Color : One Color ExternallyAssignedProductIdentifier : 7546664436463 FinishType : Diamond ItemName : JeeynoTols Dry Diamond Core Drill Bit - 2pcs/Pack 1-1/4" (32mm) Diamond Hole Saw Tile Core Drill Bit with Triangle Shank for Porcelain Granite Marble Ceramic Stone ItemPackageDimensions_Height : 60 millimeters ItemPackageDimensions_Length : 60 millimeters ItemPackageDimensions_Width : 32 millimeters ItemPackageQuantity : 1 ItemTypeKeyword : core-drill-bits Manufacturer : JeeynoTols ModelNumber : xieconghe NumberOfItems : 1 NumberOfPieces : 2 PackageLevel : unit PartNumber : B0532TE0102 ProductDescription : Product information Product Name: flat head drill Coating: nano coating Material: tungsten steel (hard alloy) Helix angle: 20 ° Hrc:55 ° Suitable materials: aluminum alloy, copper, cast iron, carbon steel, alloy steel, die steel, stainless steel, hard goods steel and other special steel parts ProductSiteLaunchDate : 2023-09-06T17:43:19.618Z Size : 15X68X16X110 SurfaceRecommendation1 : Tile SurfaceRecommendation2 : Brick SurfaceRecommendation3 : Masonry UnitCount : 1 UnspscCode : 27111700