Specification Brand : Hugexpen BulletPoint : A full-bodied bolt with hex head, spaced threads and a gimlet point. BulletPoint1 : 【Application】These grounding screws are perfect for outdoor, home and industrial applications such as deck building or joining wood BulletPoint2 : 【Top quality】These lag bolts for wood are coated with black oxide giving the screws a sleek look and added corrosion and abrasion resistance BulletPoint3 : 【Advantage】This grounding screws has higher corrosion resistance and anti-rust effect than ordinary screws, has a longer service life, is not easy to damage, and is stronger BulletPoint4 : 【Type】Structural wood screws 1/4" x 2-1/2" black screws BulletPoint5 : 【After-sales】If you have any questions about our hex head screws, please contact us by email,and we will reply to you within 24 hours.We will show you our sincere attitude and satisfactory solution Color : Black CustomerPackageType : Standard Packaging DriveSystem : External Hex ExteriorFinish : Black Oxide ExternallyAssignedProductIdentifier1 : 745373813825 ExternallyAssignedProductIdentifier2 : 0745373813825 ExternallyAssignedProductIdentifier3 : 00008236085204 GradeRating : ASTM A307 ItemName : Hugexpen Stainless Steel Hex Head Screws 1/4" x 2-1/2" These Black Screws are Coated with Black Oxide(15PCS) ItemPackageDimensions_Height : 10.2 centimeters ItemPackageDimensions_Length : 2.2 centimeters ItemPackageDimensions_Width : 6.5 centimeters ItemPackageQuantity : 15 ItemTypeKeyword : lag-screws Manufacturer : Hugexpen Material : Stainless Steel MaximumShearStrength : 36 ksi (kilopounds per square inch) MeasurementSystem : Imperial MetalType : Stainless Steel MetalType1 : Zinc MetalType2 : Alloy Steel ModelName : 9055346 ModelNumber : Hex screws NumberOfItems : 15 NumberOfPieces : 15 PackageLevel : unit PartNumber : Stainless Steel Black Lag Bolts ProductDescription : These screws are perfect for outdoor, home and industrial applications such as deck building or joining wood ProductSiteLaunchDate : 2023-09-09T07:00:00.000Z Size : 2.5 inches SupplierDeclaredDgHzRegulation : not_applicable UnitCount : 1 UnspscCode : 31161500