Specification Brand : Small Parts BulletPoint1 : Hex nut tightens from the side with a wrench, enabling use when there is limited space above the nut BulletPoint2 : 300 series stainless steel provides good corrosion resistance and strength BulletPoint3 : Plain surface has no finish or coating BulletPoint4 : Meets Mil. Spec. MS51972 specifications BulletPoint5 : 0.33 lb. weight Color : 18-8 CustomerPackageType : Standard Packaging DriveSystem : Thumb ExteriorFinish : Plain ExternallyAssignedProductIdentifier1 : 781002170259 ExternallyAssignedProductIdentifier2 : 0781002170259 ExternallyAssignedProductIdentifier3 : 00781002170259 FinishType : Plain GpsrSafetyAttestation : 1 GradeRating : 300 Series ItemDisplayWeight : 0.61 kilograms ItemName : Small Parts 300 Series Stainless Steel Hex Nut, Plain Finish, Mil. Spec. MS51972, 5/16"-24 Thread Size, 1/2" Width Across Flats, 17/64" Thick (Pack of 10) ItemPackageDimensions_Height : 1.27 centimeters ItemPackageDimensions_Length : 15.748 centimeters ItemPackageDimensions_Width : 12.192 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : hex-nuts Manufacturer : Small Parts Material : Stainless Steel MeasurementSystem : Inch MeasurementSystem1 : number MeasurementSystem2 : Inch MetalType : Stainless Steel ModelNumber : HN1032 NumberOfItems : 10 NumberOfPieces : 50 PackageLevel : unit PartNumber : B009EEMUU6 ProductDescription : Main Features 1.Made of carbon steel with galvanized surface anti-rust and durable. 2.The toothed flange nut increases the friction force of the installation and is not easy to loosen. 3.It is widely used in automobiles motorcycles generators home appliances etc. Product Specifications Product Name:Hex Flange Nut. Material:Carbon Steel. Color:Zinc Plated. Dimension: Thread Size:M4. Height:4mm/0.16". Hex Width:7mm/0.28". Flange Diameter:9mm/0.35". Package Content:200Pcs Hex Flange Nuts.