Specification Brand : Generic BulletPoint : Quantity Of (100) Per Package 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 : M3.5x0.6 Thread, 8.00mm Hex x 6.00mm Length, Steel Material, Zinc CLR Finish (100 PK) ItemPackageDimensions_Height : 8.89 centimeters ItemPackageDimensions_Length : 1.397 centimeters ItemPackageDimensions_Width : 7.112 centimeters ItemPackageQuantity : 100 ItemShape : Hex Pillar ItemTypeKeyword : fastening-standoffs Manufacturer : Fascomp Electronic Hardware Material : aluminum_6061 Material1 : Stainless Steel Material2 : Brass MeasurementSystem : metric ModelNumber : FEH Male/Female Standoffs NumberOfItems : 100 NumberOfPieces : 240 PartNumber : FM2181-3506-S-12 ProductDescription : Manufacturer Part#: FM2181-3506-S-12, Manufacturer: Fascomp Electronic Hardware, Brand: FEH Male/Female Standoffs, ECCN: EAR99, HTS Codes: 7616.10.3000, Material: Steel, Finish: Zinc Clear, Thread Size: M3.5x0.6, Length: 6.00mm, Thread Length: 6.35mm, Thread Depth: 9.50mm, Diameter Across Flats: 8.00mm ProductSiteLaunchDate : 2025-02-13T22:15:47.116Z Size : 1" Length SupplierDeclaredDgHzRegulation : not_applicable SupplierDeclaredDgHzRegulation1 : not_applicable SupplierDeclaredDgHzRegulation2 : not_applicable SupplierDeclaredDgHzRegulation3 : not_applicable SupplierDeclaredDgHzRegulation4 : not_applicable SupplierDeclaredDgHzRegulation5 : not_applicable UnitCount : 100 UnspscCode : 31161500