Specification Brand : BRB Products BulletPoint1 : These locking washers measure 1.5 inches or 3.8 centemeter in diameter, 0.1 inch center hole diameter. Works with 12 gauge pins BulletPoint10 : Effective in marine environments to prevent fasteners from loosening due to constant motion and vibrations. BulletPoint2 : Made of mild steel, with a galvanized coating BulletPoint3 : Strong durability, and corrosion resistant BulletPoint4 : Made in America with high quality materials BulletPoint5 : Prevents nuts and bolts from loosening due to vibrations or dynamic loads. BulletPoint6 : Ideal for machinery, automotive, and heavy equipment applications. BulletPoint7 : Used in construction projects to ensure stability and safety of structural connections. BulletPoint8 : Ensures secure connections in electrical systems, preventing loosening over time. BulletPoint9 : Used in aerospace applications where secure fastening is essential for safety and performance. Color : Black ExteriorFinish : galvanized ExternallyAssignedProductIdentifier1 : 0680599222931 ExternallyAssignedProductIdentifier2 : 680599222931 ExternallyAssignedProductIdentifier3 : 00810074742481 ExternallyAssignedProductIdentifier4 : 0892955002327 GpsrSafetyAttestation : 1 GradeRating : 5 ItemName : Self Locking Washers Round (100) 12-Gauge Made in USA ItemPackageDimensions_Height : 12.8016 centimeters ItemPackageDimensions_Length : 1.1938 centimeters ItemPackageDimensions_Width : 9.906 centimeters ItemPackageQuantity : 100 ItemTypeKeyword : flat-washers Manufacturer : BRB Products ManufacturerGrade : Grade 5 Material : Mild Steel with Galvanized Coating Material1 : Low Carbon Steel Material2 : fiberglass Material3 : steel MetalType : Low Carbon Steel ModelNumber : a18121700ux0423 NumberOfItems : 12 NumberOfPieces : 100 PartNumber : 1 ProductDescription : These round self-locking washers are made of mild steel, with a galvanized coating; each washer is 1.5 in. Used in conjunction with weld pins, insulation anchors or lacing anchors to fasten insulation in place. Nail, glue or screw the insulation plate with pin to the ceiling or wall, then impale the insulation board into the insulation pin. Finish by pushing the self locking washers onto the insulation pin. For best results, distribute the insulation nails evenly. Do not to compress the insulation when installing the self-locking washers. Hanger loading should not exceed 3 pounds per hanger (0.75 pounds per square inch). ProductSiteLaunchDate : 2018-10-28T07:00:00.000Z Size : M5x15mmx1mm StreetDate : 2014-09-22T00:00:01Z SupplierDeclaredDgHzRegulation : not_applicable SupplierDeclaredDgHzRegulation1 : not_applicable SupplierDeclaredDgHzRegulation2 : not_applicable SupplierDeclaredDgHzRegulation3 : not_applicable SupplierDeclaredDgHzRegulation4 : not_applicable SupplierDeclaredDgHzRegulation5 : not_applicable UnitCount : 100 UnspscCode : 52140000 WasherType : Flat