M4 Nylon Lock Nuts, 150 Pcs DIN 985 Hex Nylock Nuts, Silver Carbon Steel Self‑Locking Nut, Nylon Insert Hex Lock Nut for DIY & Professional Use

• Exquisite Material: Made of high‑quality carbon steel with a durable silver finish, smooth edges, burr‑free, corrosion‑resistant and wear‑resistant for long‑term reliability in harsh environments.
• Hex Self‑locking Nuts with Nylon Insert: Conforms to DIN 985; the nylon insert increases friction with the screw threads to resist loosening from vibration and torque for secure, reusable fastening.
• Practical Design: The hex shape provides excellent wrench grip; the nylon collar helps shield exposed threads and offers strong anti‑twist protection for added safety and stability.
• Wide Range of Applications: Ideal for electrical appliances, precision machinery, computers, furniture, vehicles, sheet metal work, bicycles, and more—suitable for both professionals and DIY enthusiasts.
• Package Includes: 150 pieces of M4 nylon lock nuts (DIN 985), silver colour; supplied in a storage box for easy organisation, carrying and quick selection.

What are the advantages of our silver M4 nylock nuts? 1.Hexagon nut self-locking are made of high-quality carbon steel material with a silver finish, not easy to deform or break, corrosion-resistant, rust-proof and durable. 2.Nylon inserts are provided inside the lock nut (DIN 985), which can significantly reduce vibration and loosening under torque. 3.The locking nuts are housed in a storage box and can therefore be easily stored and transported. 4.Widely used in various industries such as electrical appliances, precision machinery, computers, furniture, vehicles, sheet metal, bicycles and other fields. Features: Material: Carbon Steel (Silver Finish) Standard: DIN 985 Color: Silver Size: M4 Quantity: 150 pieces Package includes: 150 pieces - M4 After-sales guarantee: If you have any questions about the nylon lock nuts, please contact us in time, we will solve your questions as soon as possible. Warm Tips: Color may vary slightly from the online image due to your monitor's color settings. Please refer to the actual product. Thank you for your understanding."