Specification Brand : All American BulletPoint1 : I.D. Tolerance of +.0001/.0005 BulletPoint2 : Concentricity of 0 to .0003 Total indicator reading maximum BulletPoint3 : Heat treated to Rockwell C62 to 64. BulletPoint4 : No Counterbored BulletPoint5 : 【Suitable for Professionals and DIY Enthusiasts】: Ideal for both professionals and DIY enthusiasts, catering to different skill levels and drilling needs. Color : 220mm SDS PLUS CompatibleMaterial1 : Engineered Wood CompatibleMaterial2 : Plastic CompatibleMaterial3 : Aluminum ExternallyAssignedProductIdentifier : 4980377220705 ItemName : All American Type PM Bushing, 5.8mm ID x 10mm OD x 20mm L, Drill Bushing C1144 Steel, Heat Treated to Rockwell C62 to 64 Made in USA ItemPackageDimensions_Height : 3 centimeters ItemPackageDimensions_Length : 20 centimeters ItemPackageDimensions_Width : 15 centimeters ItemTypeKeyword : drill-adapters Manufacturer : All American Bushing ModelName : SUPYINIx93k1ru5bn ModelNumber : SUPYINI3r7ev1ant5 NumberOfItems : 1 PartNumber : PM10-20-5.8 ProductDescription : All American Drill Bushing are made in the USA from steel obtained from a domestic steel foundry. Our standard bushings are made of C1144 and heat treated to Rockwell C62-64. Concentricity is held at 0 to .0003 T.I.R maximum for ID sizes of 1/8 to ½ and 0 to .0005 T.I.R Max for any other size. A blended Radius on the drill entrance improves drill entry and alignment which prevents tool wear and breakage. All of our products are free of conflict materials of any kind and conform to Reach. ProductSiteLaunchDate : 2014-11-20T08:00:00.000Z Size : 42mm Style : Compact SurfaceRecommendation : Concrete UnitCount : 1