Specification Brand : MAKERS BOLT BulletPoint1 : Diameter: 3/8" | Length: 4" | Head width: 9/16" BulletPoint2 : Kit includes 50 Grade 307A lag bolts and 50 USS flat washers (outside diameter 1") BulletPoint3 : Hot-Dip Galvanized for superior rust resistance BulletPoint4 : Suitable for use in ACQ treated lumber, pilot hole recommended for installation BulletPoint5 : Meets ASTM A307, ASME B18.2.1, ASME B18.21.1, and ASTM F2329 Color : Black CompatibleGrooveDiameter : 0.25 inches DriveSystem : External Hex ExteriorFinish : Hot-Dip Galvanized ExteriorFinish1 : Stainless Steel ExteriorFinish2 : Black Oxide ExternallyAssignedProductIdentifier : 4013456548756 ExternallyAssignedProductIdentifier1 : 810074743051 ExternallyAssignedProductIdentifier2 : 0810074743051 ExternallyAssignedProductIdentifier3 : 00049793124234 FinishType : Black Oxide GpsrSafetyAttestation : 1 GradeRating : Grade A307 ItemName : 3/8 x 4 (50 Pack) Lag Screw Kit, 50 Screws and 50 washers, Hot Dip Galvanized, Meets ASME B18.2.1 Industrial/Commercial Grade by Makers Bolt ItemPackageDimensions_Height : 22.2 centimeters ItemPackageDimensions_Length : 5.7 centimeters ItemPackageDimensions_Width : 13.4 centimeters ItemPackageQuantity : 25 ItemShape : Hexagonal ItemTypeKeyword : lag-screws Manufacturer : Makers Bolt Material : Steel MeasurementSystem : Imperial MetalType : Alloy Steel MetalType1 : Zinc MetalType2 : Alloy Steel ModelName : 9056275 ModelNumber : 9056275 NumberOfItems : 25 NumberOfPieces : 50 PackageLevel : unit PartNumber : LBK3864GV50 ProductDescription : Machine screws are often used with nuts but also often driven into tapped holes (without nuts). They might be considered a screw or a bolt based on the Machinery's Handbook distinction. In practice, they tend to be mostly available in smaller sizes and the smaller sizes are referred to as screws or less ambiguously as machine screws, although some kinds of machine screw can be referred to as stove bolts. A flat head is A head with flat top and a conical bearing surface (bottom). Designed to be Countersunk. Rod with spiral threads the entire length and with one flat end and a head on other end. Holds object to another object that has a pre-threaded hole, frequently a nut. Usually manufactured from metal. Can be rotated into or out of the object using a screwdriver or wrench. ProductSiteLaunchDate : 2024-01-17T17:58:29.374Z Size : 3/8 x 4 SupplierDeclaredDgHzRegulation : not_applicable SupplierDeclaredDgHzRegulation1 : not_applicable SupplierDeclaredDgHzRegulation2 : not_applicable SupplierDeclaredDgHzRegulation3 : not_applicable SupplierDeclaredDgHzRegulation4 : not_applicable SupplierDeclaredDgHzRegulation5 : not_applicable SupplierDeclaredHasProductIdentifierExemption : 1 UnitCount : 50 UnspscCode : 31161500