Specification Brand : uxcell BulletPoint1 : [THREADED]: Thread Size: M6; Pitch: 1mm; Thread Coverage: Full BulletPoint2 : [SIZE] - 0.39" (10mm) width across flat, 0.35" (9mm) height; 0.55" (14mm) flange diameter. BulletPoint3 : [MATERIAL]: Made of 304 stainless steel, rust-resistant, and durable to use. BulletPoint4 : [FEATURE]: With a nylon insert, these lock nuts greatly reduce loosening under vibrations and torque and the flange design allows the nut to span larger holes than a standard nylon insert stop nut. BulletPoint5 : [GREAT REPLACEMENT] - Great replacement for industrial and construction fasteners, also can be an important accessory in your daily life. BulletPoint6 : Please confirm the product size before purchasing to prevent purchasing the wrong product Color : Silver Tone DriveSystem : External Hex ExteriorFinish : Stainless Steel ExternallyAssignedProductIdentifier : 7426867521565 ExternallyAssignedProductIdentifier1 : 749355449774 ExternallyAssignedProductIdentifier2 : 0749355449774 FinishType : Plain Finish GradeRating : commercial ItemName : uxcell M6 Nylon Insert Hex Lock Nuts with Flange, 304 Stainless Steel, Plain Finish, 20pcs ItemPackageDimensions_Height : 14.2 centimeters ItemPackageDimensions_Length : 1 centimeters ItemPackageDimensions_Width : 10.1 centimeters ItemPackageQuantity : 20 ItemShape : Round ItemTypeKeyword : hardware-locknuts Manufacturer : uxcell Material : Stainless Steel MaximumShearStrength : [EST] 45-58 ksi or 310-400 MPa MeasurementSystem : Inch MetalType : Stainless Steel ModelNumber : a21111000ux0073 NumberOfItems : 20 NumberOfPieces : 20 PartNumber : a21111000ux0073 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 deform elastically over the threads of the screw, but threads are not cut into the nylon. Specification: Material: 304 Stainless Steel Thread Size: M6 Pitch: 1 Hex Width: 10mm/0.39" Height: 9mm/0.35" Flange Diameter: 14mm/0.55" Package Content: 20pcsx Hex Lock Nuts