Specification Brand : Shorpioen BulletPoint1 : Designed for use with square bolts BulletPoint2 : Nuts shall be made from a low carbon steel which conforms to the following chemical composition requirements--Carbon: 0.55% maximum; Phosphorus: 0.12% maximum; Sulfur: 0.23% maximum. BulletPoint3 : Rockwell B68 - C32 DriveSystem : Square ExteriorFinish : Black FinishType : Black Oxide ItemName : 1/4-20 Square Machine Screw Nut Black Oxide (Pack Qty 3,000) BC-14NQB by Shorpioen ItemPackageQuantity : 3000 ItemTypeKeyword : square-nuts Manufacturer : Shorpioen LLC Material : Black Oxide MeasurementSystem : Inch MetalType : Carbon Steel ModelNumber : BC-14NQB NumberOfItems : 3000 PartNumber : BC-14NQB ProductDescription : PICTURES ARE REPRESENTATIVE OF ITEM, BUT ARE NOT OF THE ACTUAL ITEM. Product dimensions, finish, head markings, thread length, stamping shape or forging shape, etc., may differ from picture. Products are guaranteed to meet the specifications to which they are manufactured. Specifications allow for tolerances in dimension and shape, which can vary from lot to lot. Designed for use with square bolts. Nuts shall be made from a low carbon steel which conforms to the following chemical composition requirements--Carbon: 0.55% maximum; Phosphorus: 0.12% maximum; Sulfur: 0.23% maximum. . Rockwell B68 - C32. ProductSiteLaunchDate : 2016-11-17T16:13:33.349Z Size : 2020-01-04 SupplierDeclaredDgHzRegulation1 : not_applicable SupplierDeclaredDgHzRegulation2 : not_applicable SupplierDeclaredDgHzRegulation3 : not_applicable SupplierDeclaredDgHzRegulation4 : not_applicable SupplierDeclaredDgHzRegulation5 : not_applicable UnspscCode : 31161700