Specification Brand : Yeebyee BulletPoint1 : Hex Lock Nuts Material: made of high quality Carbon Steel White Zinc Plated and Nylon Insert,durable,high hardness,excellent corrosion resistance and anti-rust ability and excellent performance BulletPoint2 : LockNuts Size: Thread Diameter: 5/16", Thread Pitch: 18 Teeth Per Inch(Coarse); Height: 8.6mm/0.34inch; Hex Width: 12.6mm/0.5inch; Thread Coverage: Full Thread; Package Quantity: 100pcs 5/16"-18 Hex Lock Nuts BulletPoint3 : Nylon Insert Hex Lock Nuts Features: With the Nylon Insert, these locknuts greatly reduce loosening under vibration and torque,It is very excellent replacement parts for broken and missing nuts; Suitable for matching screws & matching bolts; BulletPoint4 : Our these Self-Locking Hex Lock Nuts are great for use in wood and wet environments. they are strong, corrosion resistant and will support all your projects. BulletPoint5 : Widely used for automobile, construction machinery, construction, manufacturing, engineering, assembling, vehicles, sheet metal, aircraft,shipbuilding etc. serves a wide range of use for professionals, amateurs, landlords, repairmen. BulletPoint6 : Thread Type: Coarse, Thread Class: UNC-2B BulletPoint7 : Specification(s) Met: ASME B18.6.6 and ASME B1.1 Color : Silver,White DriveSystem : External Hex ExteriorFinish : Polished ExternallyAssignedProductIdentifier1 : 654936840386 ExternallyAssignedProductIdentifier2 : 0654936840386 ExternallyAssignedProductIdentifier3 : 00049793120960 FinishType : Polished FinishType1 : yellow FinishType2 : blue FinishType3 : red GpsrSafetyAttestation : 1 GradeRating : Commercial ItemName : Yeebyee 5/16"-18 Nylon Insert Hex Lock Nuts,Carbon Steel White Zinc Plated, Hex Lock Nut Silver Self-Locking Nylock Locknuts,100pcs/pack (5/16"-18-100pcs) ItemPackageDimensions_Height : 10.5918 centimeters ItemPackageDimensions_Length : 3.4036 centimeters ItemPackageDimensions_Width : 7.1882 centimeters ItemPackageQuantity : 10 ItemTypeKeyword : hardware-locknuts Manufacturer : Yeebyee Material : Carbon Steel White Zinc Plated Material1 : Aluminum Material2 : Nylon MaximumShearStrength : [EST] 230 MPa MeasurementSystem : Inch MetalType : Carbon Steel ModelNumber : YE028-2 NumberOfItems : 100 NumberOfPieces : 100 PartNumber : YE028-2 ProductDescription : Product Name: 5/16"-18 Nylon Insert Hex Lock Nuts, Carbon Steel White Zinc Plated,Hex Lock Nut Silver Self-locking Nylock Locknuts for Hardware Parts Material: made of high quality Carbon Steel White Zinc Plated and Nylon Insert,durable,high hardness,excellent corrosion resistance and anti-rust ability and excellent performance Finish: White Zinc Plated Type: Hex Lock Nut Size: Thread Diameter: 5/16", Thread Pitch: 18 Teeth Per Inch(Coarse) Height: 8.6mm/0.34inch, Hex Width: 12.6mm/0.5inch Thread Coverage: Full Thread; Main Color: Silver Tone Features: With the Nylon Insert, these locknuts greatly reduce loosening under vibration and torque Suitable for matching screws & matching bolts; Widely used for automobile, construction machinery, construction, manufacturing, engineering, assembling, vehicles, sheet metal, aircraft,shipbuilding etc. serves a wide range of use for professionals, amateurs, landlords, repairmen. Package Included: 100pcs 5/16"-18 Hex Lock Nuts Please Note: Any question or problem, do not hesitate to contact us, we will reply you within 24 hours As Manual measurement, please allow slight errors on size The color may exist slight difference due to different screen displays