Specification Brand : Mgtgbao BulletPoint1 : ➽2PCS Adapter for 5/8"-11 to Hex Shank, For Threaded Diamond Core Drill Bit BulletPoint2 : ➽Size:Total Length 72mm,Shank Length 45mm, High Quality Hard Alloy BulletPoint3 : ➽Core drill bit adapter will help you use drill bit core. Connects to 5/8" -11 Threaded, Makes them a 3/8 inch Shank as a drill shank adapter BulletPoint4 : ➽Widely Use:Combine with a grinding,cutting and polishing tool with a standard collet handle,combined with the core drill adapter,use your diamond finishing drill bit / grinding machine for granite,concrete,glass,brick,etc. BulletPoint5 : ➽Top Quality:Made of high quality alloy steel, heat treated to make it last longer and more durable than general connecting rods. Color : Silver CompatibleMaterial1 : Stainless Steel CompatibleMaterial2 : Aluminum CustomerPackageType : 1 ExternallyAssignedProductIdentifier1 : 634654876331 ExternallyAssignedProductIdentifier2 : 0634654876331 ExternallyAssignedProductIdentifier3 : 0640025658147 ExternallyAssignedProductIdentifier4 : 0024721001238 ExternallyAssignedProductIdentifier5 : 00024721001238 FinishType : Diamond GpsrSafetyAttestation : 1 IncludedComponents : Hole Saw ItemDisplayWeight : 1 pounds ItemName : Mgtgbao 2Pcs Core Drill Bit Adapter 5/8-11 inch Male to 3/8 inch Hex Shank for Thread Diamond Hole Saw ItemPackageDimensions_Height : 14 centimeters ItemPackageDimensions_Length : 1.9 centimeters ItemPackageDimensions_Width : 8.6 centimeters ItemPackageQuantity : 1 ItemShape : Rectangular ItemTypeKeyword : hole-saws Manufacturer : Mgtgbao Material : Alloy Steel Material1 : Blend Material2 : Blend Material3 : Blend Material4 : Blend Material5 : Blend ModelName : 373418BX ModelNumber : Mg216 NumberOfItems : 1 NumberOfTeeth : 6 PackageLevel : unit PartNumber : Mg216 Pattern : Solid ProductDescription : 2PCS Core Drill Bit Adapter 5/8" - 11 Male to 3/8" Hex Shank for Thread Damond Hole Saw.