Specification Brand : Merit BulletPoint : Mandrel Set, 3/32" Shank BulletPoint1 : Mandrel mounts bore polishers with a 1/4"-20 female thread onto a grinder that accepts a 1/4"-diameter shank BulletPoint2 : Knurled shank portion provides increased grip when installing and removing the polisher BulletPoint3 : Steel provides strength and extended tool life CompatibleMaterial : Alloy Steel ConstructionType : Coated ExternallyAssignedProductIdentifier1 : 088341541840 ExternallyAssignedProductIdentifier2 : 0088341541840 ExternallyAssignedProductIdentifier3 : 00088341541840 IndustryStandardIdentifier : Type III ItemName : Merit BPM-8 Mandrel for Bore Polishers, 1/4" Shank Diameter, 1/4"-20 Thread Size ItemPackageDimensions_Height : 0.508 centimeters ItemPackageDimensions_Length : 12.192 centimeters ItemPackageDimensions_Width : 7.62 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : abrasive-mandrels Manufacturer : St. Gobain Abrasives Material : Alloy Steel MaximumRotationalSpeed : 30000 rpm ModelNumber : 08834154184 NumberOfItems : 1 PartNumber : 08834154184 ProductDescription : For years, professional jewelers have been using products found only through supply houses, not accessible to the first-time or craftsman jeweler. This mandrel set includes one threaded mandrel for buff or felt polishing, plus one wheel mandrel for cut-off or polishing wheels. The mandrels fit most popular handpieces and chucks. ProductSiteLaunchDate : 2011-01-14T00:00:01-08:00 StreetDate : 2017-03-12T00:00:01Z SupplierDeclaredDgHzRegulation : not_applicable UnitCount : 1