Specification Brand : Metal Spacers Online BulletPoint : IZZY USA LLC (TM) products are manufactured in the USA using strict ISO 9001 Registered Quality Management. Proprietary formulation for durability and performance. 50+ years of manufacturing expertise. BUY THE BEST! BulletPoint1 : Outside diameter: 1/2"/12.7mm BulletPoint2 : Inside diameter: 5/16"/8.1mm (fits 5/16" or M8 bolts) BulletPoint3 : Length: Varies-Choose Length BulletPoint4 : Shape: Round BulletPoint5 : Material Type: T-6061 Aluminum with black anodized finish BulletPoint6 : Material: All of our unthreaded Black Anodized aluminum spacers and standoffs are made from quality aluminum alloy, which provides excellent strength, durability, and corrosion resistance. Heat Dissipation: Aluminum Spacers/bushings have good thermal conductivity, allowing it to efficiently dissipate heat from electronic components. BulletPoint7 : Metal Spacers Online provides a number of black anodized aluminum spacer sizes and materials for home improvement, DIY, automotive, industrial and manufacturing applications. You are sure to find the metal spacer that you need from our Amazon Store. BulletPoint8 : Many Available Sizes: Our black anodized aluminum spacers come in various diameters and lengths to accommodate different application requirements, please select the correct option from the menu that will meet your requirements. BulletPoint9 : Other Metal Spacer Options: This black anodized aluminum spacer may also be available with a raw aluminum finish or in high quality mild steel material, please check our Amazon Store for other options. Color : Black ExteriorFinish : Brass ExternallyAssignedProductIdentifier : 6043577723716 ExternallyAssignedProductIdentifier1 : 736691215965 ExternallyAssignedProductIdentifier2 : 0736691215965 ItemName : Aluminum Spacer Black 1/2" OD x 5/16" ID x Choose Your Length, Round Spacer Unthreaded Standoff Bushing Plain Finish, Fits Screws Bolts 5/16" or M8 by Metal Spacers Online (1" Length, 10 Pack)… ItemPackageDimensions_Height : 8.89 centimeters ItemPackageDimensions_Length : 1.397 centimeters ItemPackageDimensions_Width : 7.112 centimeters ItemPackageQuantity : 100 ItemShape : Hex Pillar ItemTypeKeyword : hardware-spacers Manufacturer : Metal Spacers Online Material : aluminum_6061 Material1 : Stainless Steel Material2 : Brass MeasurementSystem : metric ModelNumber : Walfront-05103 NumberOfItems : 10 NumberOfPieces : 240 PartNumber : BAL-50-31-100-S-10 ProductDescription : Metal Spacers Online provides many sizes of round aluminum spacer, bushings, standoffs and washers. Our aluminum spacers are either milled or extruded for a quality smooth finish. Before checking out, choose the length of spacer and the package quantity to insure you are getting what you need. This listing is for a specific inside and outside diameter, you can visit our Amazon store to browse all of our other sizes that are available, you are sure to find what you need there. ProductSiteLaunchDate : 2023-02-22T16:46:39.034Z Size : 1" Length SupplierDeclaredDgHzRegulation : not_applicable SupplierDeclaredDgHzRegulation1 : not_applicable SupplierDeclaredDgHzRegulation2 : not_applicable SupplierDeclaredDgHzRegulation3 : not_applicable SupplierDeclaredDgHzRegulation4 : not_applicable SupplierDeclaredDgHzRegulation5 : not_applicable UnitCount : 1 UnspscCode : 31161500