Specification Brand : uxcell BulletPoint1 : [SIZE] - 0.51" (13mm) hex width, 0.55" (14mm) total height; Pitch: 1.25mm BulletPoint2 : [MATERIAL] - Made of nylon, good toughness, anti-corrosion and non conductive. BulletPoint3 : [USE] - Used with bolts, threaded rods and studs to connect components. Easy to fit and to remove. BulletPoint4 : [ADVANTAGE] - These caps cover nuts provide effective protection against injure and weathering and improve the finished appearance of your product. BulletPoint5 : [APPLICATIONS] - Suitable for mechanical equipment, electronic equipment, communication equipment, hardware lighting and so on. Color : Black DriveSystem : External Hex DsaResponsiblePartyAddress : info@caterpillar-red.com ExteriorFinish : Black ExternallyAssignedProductIdentifier1 : 757440443569 ExternallyAssignedProductIdentifier2 : 0757440443569 FinishType : Plain GpsrSafetyAttestation : 1 GradeRating : DIN 7991 10.9 ItemName : uxcell Acorn Hex Cap Nuts - 30Pcs M8 Dome Nuts Nylon Hexagon Decorative Cap Nut for Screws Bolts Black ItemPackageDimensions_Height : 13.208 centimeters ItemPackageDimensions_Length : 1.016 centimeters ItemPackageDimensions_Width : 8.382 centimeters ItemPackageQuantity : 1 ItemShape : Round ItemTypeKeyword : hardware-nut-and-bolt-sets Manufacturer : uxcell ManufacturerGrade : Grade 4 Material : Nylon MeasurementSystem1 : Metric MeasurementSystem2 : Inch MetalType : Alloy Steel ModelNumber : a19030500ux0989 NumberOfItems : 1 NumberOfPieces : 60 PackageLevel : unit PartNumber : a19030500ux0989 ProductDescription : 1.Made of nylon, good toughness, anti-corrosion, anti-aging, suitable for indoor, outdoor or humid environment. 2.These caps cover nuts provide effective protection against injure and weathering and improve the finished appearance of your product. Easy to fit and to remove. 3.Nuts are internally threaded fasteners that are used with bolts, threaded rods and studs to connect components.Suitable for mechanical equipment, electronic equipment, communication equipment, hardware lighting and so on.