Specification Brand : Yinpecly BulletPoint1 : Package Content: 120 piece of M4 nylon insert lock nuts BulletPoint2 : Size: M4x0.7mm ; Pitch: 0.5mm/0.03"; Hex Width: 6.8mm/0.268"; Nut thickness:4.7mm/0.185" BulletPoint3 : Metric Lock Nuts Material: These M4 Lock Nuts are made of quality Carbon steel,surface is Zinc-plated for good rust resistance BulletPoint4 : Black Nylon Insert Lock Nuts: Locknuts embedded with nylon inserts, so that it and the bolt threads to form a close fit, and in the role of the elasticity of the nylon friction resistance, in order to achieve the purpose of anti-loosening. BulletPoint5 : Wide Application: Common uses for metric hardware nuts include securing instrument and equipment components, linking pipes and structural elements.Suitable for use or maintenance in a wide range of applications such as furniture decoration, automotive repair, the mechanical industry and small repairsaround shops, construction, etc Color : Black ExteriorFinish : Zinc ItemName : Yinpecly 120Pcs M4 x 0.7mm Nylon Insert Hex Lock Nuts Carbon Steel Zinc Plated Locknuts Self-Locking Nut M4 Metric Black Standard Threaded Nylock Nuts for Industrial Construction Fasteners ItemPackageDimensions_Height : 9.2964 centimeters ItemPackageDimensions_Length : 1.2954 centimeters ItemPackageDimensions_Width : 6.2992 centimeters ItemTypeKeyword : hardware-locknuts Manufacturer : Yinpecly Material : Carbon Steel NumberOfItems : 120 PartNumber : BM2503N1902XY-FBA ProductDescription : Package Content: 120 piece of M4 nylon insert lock nuts ProductSiteLaunchDate : 2025-05-12T07:00:00.000Z Size : M4; 120pcs SupplierDeclaredDgHzRegulation : not_applicable UnspscCode : 31161700