Specification Brand : Dorman BulletPoint1 : Durable materials - manufactured to specific thread tolerance standards BulletPoint2 : Corrosion tested - hardware undergoes salt spray testing to ensure corrosion resistance BulletPoint3 : Multipurpose usefulness - can be used in a variety of applications, from auto to home BulletPoint4 : Trustworthy quality - backed by team of professional engineers and quality control specialists in the United States BulletPoint5 : Ensure fit - to make sure this part fits your exact vehicle, input your make, model and trim level into the garage tool Color : Black ExteriorFinish : Ready To Paint If Needed ExteriorFinish1 : Stainless Steel ExteriorFinish2 : Black Oxide ExternallyAssignedProductIdentifier : 9145253276411 ExternallyAssignedProductIdentifier1 : 885484377042 ExternallyAssignedProductIdentifier2 : 0885484377042 ExternallyAssignedProductIdentifier3 : 00885484377042 GpsrSafetyAttestation : 1 GradeRating : Grade 8 ItemName : Dorman 961-505 Hex Bolt - Grade 8 - 1/4-28 X 1/2, 4 Pack ItemPackageDimensions_Height : 1.02 inches ItemPackageDimensions_Length : 4.13 inches ItemPackageDimensions_Width : 1.57 inches ItemPackageQuantity : 1 ItemTypeKeyword : automotive-engine-connecting-rod-bolts Manufacturer : Dorman Products ManufacturerGrade : Grade 8 Material : Alloy Steel MetalType : Carbon Steel ModelNumber : 961-505 NumberOfItems : 1 NumberOfPieces : 4 PartNumber : 961-505 ProductDescription : When selecting a nut to be used for a graded hex cap screw, keep in mind that the nut should have the same grade as the bolt/screw. For instance, a Grade 5 Hex Cap Screw should only utilize a Grade 5 hex nut ProductSiteLaunchDate : 2015-06-08T18:18:18.303Z Size : 1/4-28 x 1/2 Inches SupplierDeclaredDgHzRegulation : unknown UnitCount : 1 UnspscCode : 31161500