Specification Amperage : 1 amps Brand : All American BulletPoint : Includes 20 pieces 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 : ✅【Easy to Use】Attaching the deburring external chamfer tool to the end of your electric drill, starting with a lowest speed, then slightly apply pressure to remove the burr and increase the speed as needed. Note: Do not turn on the driver until the bit fully covers the screw/bolt. Otherwise, the drill bit would bump over the screws/bolts, making it difficult to control. BulletPoint6 : Material: Cobalt High BulletPoint7 : Applicable holders/handles: NG1000, SN holder, S holder CoarsenessRating : Unisex Color : Silver CompatibleMaterial : Plastic CuttingAngleString : 82.0 degrees ExternallyAssignedProductIdentifier1 : 0797424738755 ExternallyAssignedProductIdentifier2 : 797424738755 ExternallyAssignedProductIdentifier3 : 0702382345785 ExternallyAssignedProductIdentifier4 : 7290003234967 ExternallyAssignedProductIdentifier5 : 0702382529864 HandOrientation : Refer to description IncludedComponents : No ItemDisplayWeight : 0.04 pounds ItemName : All American Type PM Bushing, 6.9mm ID x 12mm OD x 20mm L, Drill Bushing C1144 Steel, Heat Treated to Rockwell C62 to 64 Made in USA ItemPackageDimensions_Height : 16.4084 centimeters ItemPackageDimensions_Length : 6.5024 centimeters ItemPackageDimensions_Width : 12.4968 centimeters ItemPackageQuantity : 1 ItemShape : Refer to Description ItemTypeKeyword : drill-adapters Manufacturer : All American Bushing Material : Cobalt MetalType : Refer to description ModelName : S100 Cobalt High ModelNumber : BS1018 NumberOfBoxes : 1 NumberOfItems : 1 PartNumber : PM12-20-6.9 Pattern : Refer to description 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 : 9.84inch Style : Industrial SupplierDeclaredDgHzRegulation : not_applicable SupplierDeclaredHasProductIdentifierExemption : 1 SurfaceRecommendation : Wood UnitCount : 1