Specification Brand : RAW PRODUCTS CORP BulletPoint1 : Lag bolts feature a hex head and are designed to be driven with a wrench or hex driver. BulletPoint10 : Head Style: Hex (1/2 Wrench) BulletPoint2 : Lag screws are also commonly called lag bolts because they are significantly larger than most other screws. BulletPoint3 : Essentially, it is just a very large wood screw with the threads extending to the top. BulletPoint4 : They feature the sharp cutting threads of a wood screw or sheet metal screw and have a shoulder below the head (in longer lengths), however everything is scaled up in size for use in larger applications. BulletPoint5 : These screws typically need a pre-drilled whole and are not recommended as self-tapping. BulletPoint6 : Diameter: 5/16" BulletPoint7 : Length: 4-1/2 Inch BulletPoint8 : Material: Steel BulletPoint9 : Finish: Zinc Color : Silver DriveSystem : External Hex ExteriorFinish : Plain ExternallyAssignedProductIdentifier1 : 756554503442 ExternallyAssignedProductIdentifier2 : 0756554503442 ExternallyAssignedProductIdentifier3 : 0014973150495 ExternallyAssignedProductIdentifier4 : 0738287082463 ExternallyAssignedProductIdentifier5 : 00738287082463 GradeRating : Grade 5 ItemName : Hex Lag Screws 18-8 Stainless Steel - 1/4" x 2" Qty-25 ItemPackageDimensions_Height : 9.4996 centimeters ItemPackageDimensions_Length : 5.8928 centimeters ItemPackageDimensions_Width : 8.4074 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : lag-screws Manufacturer : RAW PRODUCTS CORP Material : Stainless Steel MeasurementSystem : Imperial MetalType : Stainless Steel MetalType1 : Low Carbon Steel MetalType2 : Zinc MetalType3 : Alloy Steel ModelName : XIE1672 ModelNumber : 014973150495 NumberOfItems : 25 NumberOfPieces : 10 PackageLevel : unit PartNumber : 756554503442 ProductDescription : Hex Lag Screws 18-8 Stainless Steel - 1/4" x 2" Qty-25 ProductSiteLaunchDate : 2013-09-19T18:53:53.274Z Size : 1/4"-10 x 2" Style : Hex Head Screw SupplierDeclaredDgHzRegulation : not_applicable SupplierDeclaredHasProductIdentifierExemption : 1 UnitCount : 1 UnspscCode : 31161500