M4 Zinc Plated Alloy Steel Lock Nut with Nylon Insert Locknut Hex for Bolt, Finish Locking Stop Nuts ISO 10511 DIN 985 (Pack of 25) (4mm Ø)

HIGH QUALITY STEEL - ZINC PLATED These Lock Nuts are 100% Zinc Plated Alloy Steel which is one of the highest forms of corrosion resistant metals, making it last longer than other Lock Nuts on the market today. Zinc plated locknut is superior to regular steel finish and provides good rust resistance. NUTS THAT YOU CAN DEPEND ON - Our heavy duty hex lock nuts are very strong and are great for both indoor and outdoor use. Highly resistant against turning, preventing the lock nuts from weakening and loosening under vibration and torque which reduces the strength of hold. Guaranteed to stay intact and in firm hold making virtually indestructible. GREAT TO KEEP AROUND - hex lock nuts are great to have around for use in wood and wet environments. Hex Nuts are the highest quality available on the market and we stand by our claim 100%. They are strong, corrosion resistant and will support all of your projects. NYLON INSERT - Lock nuts are also known as stop nuts. Locknuts are used for fastening to a bolt when mechanically joining materials. The threads of the bolt in the nylon material are located at the top of the nut. The purpose of the nylon insert is to prevent shrinkage or loosening from vibration. ACCORDING TO SAFETY STANDARTS – Zinc Plated Alloy Steel This Lock nuts according to: DIN985; CSN021492; UNI7474; DIN10511; EN10511; ISO10511. Nut Size: M4. Pack of 25