SHULLIN Pack of 40 Cap Nuts M4 Stainless Steel Cap Nuts Cap Nuts High Shape Hexagonal Threaded Rod Cap Nuts High Quality Cap Nuts Galvanised Cap Nut for Screws Threaded Bolts (M4)

High-quality materials: the cap nuts M4 are made of high-quality carbon steel, with galvanised surface. The M4 black cap nut provides exceptional corrosion resistance, rust protection and wear resistance and is suitable for indoor, outdoor and damp environments. Deep, burr-free threads ensure even force distribution and improve connection stability. Packing list: You will receive 40 standard metric M4 stainless steel cap nuts. Acorn nuts are versatile and offer reliable solutions for a wide range of applications - be it for metal components, woodworking or outdoor installations. Improved connection stability: union nuts secure screws firmly in place and provide reliable, stable mounting performance. They effectively prevent loosening or breaking even under dynamic loads such as vibrations and shocks and ensure safe and stable operation of the connected components. 【User-friendly Handling】The M4 black union nut is easy to install - just screw it onto bolts, rods or other threaded components to cover the end, forming a stable connection even in tight spaces. Its cap design prevents moisture or corrosive substances from entering, thus protecting against thread rust. 【Wide Applications】Suitable for automotive and motorcycle components, machinery, furniture, tools, building hardware, construction equipment, furniture manufacturing, medical equipment, sports equipment and much more. It serves as a commonly used fastener for professionals, maintenance personnel and home users.