Specification Brand : uxcell BulletPoint1 : [SIZE]: Width Measured From Flat to Flat 10mm / 0.39"; Height 6mm / 0.24". BulletPoint2 : [MATERIAL]: Made of 201 stainless steel, firm, corrosion resistance, oxidation resistance, and durability to use.. BulletPoint3 : [FEATURE]: With a nylon insert, these lock nuts greatly reduce loosening under vibrations and torque after long-term use, and have a good fastening effect. BulletPoint4 : [ADVANTAGE] : our hexagonal locking nuts are strong and can be used indoors and outdoors. BulletPoint5 : [APPLICATION]: Great for replacing broken or missing nuts. Widely used for repairing furniture or household appliances, automobile, industries, workshops, engineering machinery, ship, DIY, handicrafts, etc. Color : Silver DriveSystem : External Hex ExteriorFinish : Stainless Steel ExternallyAssignedProductIdentifier1 : 728456059990 ExternallyAssignedProductIdentifier2 : 0728456059990 FinishType : Plain Finish GradeRating : Commercial ItemName : uxcell M6 x 1mm Nylon Insert Hex Lock Nuts, 201 Stainless Steel, Plain Finish, Pack of 25 ItemPackageDimensions_Height : 11.938 centimeters ItemPackageDimensions_Length : 1.016 centimeters ItemPackageDimensions_Width : 7.874 centimeters ItemPackageQuantity : 4 ItemTypeKeyword : hardware-locknuts Manufacturer : uxcell Material : Stainless Steel MeasurementSystem1 : Metric MeasurementSystem2 : Inch MetalType : Stainless Steel ModelNumber : a18111300ux0056 NumberOfItems : 25 NumberOfPieces : 100 PartNumber : a18111300ux0056 ProductDescription : 1.Nylon-insert lock nut, polymer-insert lock nut, or elastic stop nut, is a kind of locknut. 2.It is a nut with a nylon insert that resists turning. 3.The plastic insert is placed at the end of the nut, and its inner diameter (ID) is slightly smaller than the diameter of the screw. 4.The inserts elastically over the threads of the screw, but threads are not cut into the nylon.