M12 Nylon Lock Nuts 20 Pcs, DIN 985 Hex Self‑Locking Nylock Nuts, Black Carbon Steel, Nylon Insert, Metric M12 — for Automotive, Machinery, Furniture, DIY

• Exquisite Material: Made from high‑quality black carbon steel with smooth, burr‑free surfaces; durable, corrosion‑resistant and designed to maintain performance in demanding environments.
• Hex Self‑Locking with Nylon Insert: DIN 985 nylon insert increases friction on the threads to resist vibration‑induced loosening; the insert deforms elastically without being cut by the thread.
• Practical Design: Hexagonal profile for easy wrenching; the nylon collar helps keep screws from backing out unintentionally, ensuring secure fastening, stability and anti‑twist protection.
• Wide Application: Ideal for electrical appliances, precision machinery, computers, furniture, vehicles, sheet metal work, DIY projects and more—suitable for both professionals and enthusiasts.
• What You Get: 20 pieces of M12 nylon insert hex lock nuts (DIN 985), colour: black; neatly organised for convenient storage and transport.

"What are the advantages of our black M12 nylock nuts? 1.Hexagon nut self-locking are made of high-quality carbon steel material, are not easy to deform and break, corrosion-resistant, rust-proof and durable. (DIN 985 standard) 2.Nylon inserts are provided inside the lock nut, which can significantly reduce vibration and loosening under torque. 3.Assorted 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, aircraft and other fields. Features: Standard: DIN 985 Material: Carbon Steel Color: Black Size: M12 (Metric) Quantity: 20 pieces Package includes: 20 pieces - M12 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."