Specification Brand : uxcell BulletPoint1 : [SIZE & PACKAGE]: The thread size of the nylon Insert hexagonal locking nut is M5, the pitch is 0.8mm, the hexagon width is 8mm/0.31", the height is 5mm/0.2", the thread inner diameter is 5mm/0.2", the flat washer size is M5x10x1mm, and spring washer size is M5.25x1.3x1.3mm. The package includes 25 nylon insert lock nuts, 25 flat washers, and 25 spring washers, which can meet your daily needs. BulletPoint2 : [MATERIAL]: Made of 304 stainless steel with wash white surface treatment, the nylon insert hex lock nuts have rust and corrosion resistance properties. This material has good properties, high-temperature resistance, and durability, and is not easily deformed, making it suitable for long-term indoor and outdoor use. BulletPoint3 : [FEATURES]: There is a nylon insert in the insert locknut, which is closely combined with the bolt thread. The nylon insert locknut can produce a certain elastic deformation after the bolt is tightened, resulting in frictional resistance, which can prevent the bolt from loosening caused by vibration or other factors. BulletPoint4 : [EASY TO USE]: Nylon insert hex lock nuts are easy to use, insert the bolt into the nut, align the threads, and tighten with a wrench. BulletPoint5 : [WIDE APPLICATION]: Locking nuts are widely used and can be used to repair furniture or household appliances, automobile repair, machinery industry, outdoor facilities, construction, etc. Color : Yellow CompatibleFastenerDescription : 0.5 inches DriveSystem : External Hex ExteriorFinish : Silver ExternallyAssignedProductIdentifier1 : 613364064238 ExternallyAssignedProductIdentifier2 : 0613364064238 ExternallyAssignedProductIdentifier3 : 00613364064238 FinishType : Plain Finish GradeRating : Industrial ItemName : uxcell 75Pcs M5 x 0.8 Nylon Insert Hex Lock Nut Kit, 304 Stainless Steel Lock Nuts with Flat Washers and Spring Washers Self Tight Hex Lock Nuts, Silver&Blue ItemPackageDimensions_Height : 14.3 centimeters ItemPackageDimensions_Length : 2.7 centimeters ItemPackageDimensions_Width : 10.2 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : hardware-locknuts Manufacturer : uxcell Material : Steel Material1 : Stainless Steel Material2 : Nylon MeasurementSystem : Inch MetalType : Stainless Steel ModelNumber : 10611 NumberOfItems : 75 NumberOfPieces : 75 PartNumber : f24040800ux0134 ProductDescription : Description: Material - Made of 304 stainless steel with wash white surface treatment, the nylon insert hex lock nuts have rust and corrosion resistance properties. This material has good properties, high-temperature resistance, durability, and is not easily deformed, making it suitable for long-term indoor and outdoor use. Features - There is a nylon insert in the insert locknut, which is closely combined with the bolt thread. The nylon insert locknut can produce a certain elastic deformation after the bolt is tightened, resulting in frictional resistance, which can prevent the bolt from loosening caused by vibration or other factors. Easy to Use - Nylon insert hex lock nuts are easy to use, insert the bolt into the nut, align the threads, and tighten with a wrench. Wide Application - Locking nuts are widely used and can be used to repair furniture or household appliances, automobile repair, machinery industry, outdoor facilities, construction, etc.