Easy to use: the locking nut can be easily installed in a small space, and a torque wrench and a screwdriver are enough to tighten the stainless steel nut, which can be disassembled and installed at any time. Standard design: Our nuts correspond to standard sizes, have full threads and a smooth surface. The screw mouth is evenly stressed and is not easy to slip and lock. It fits well with your M6 bolts or screws. Box contents: you will receive 50 M6 self-locking nuts made of galvanised steel, you can choose standard hex nuts according to the size of the screw or bolt, the quantity is enough for your daily use. Wide application: our self-locking nuts use nylon rings inside, which are not easy to loosen due to external influences and have high anti-loosening properties. They are often used in interior and exterior decoration, steel, wood, vehicle construction and electrical products, aviation and mechanical engineering. High-quality material: our hex nuts are made of high-quality galvanised steel, comply with DIN 985 standards, with clear thread, smooth surface and no burrs, high hardness, not easy to rust, corrosion resistant, robust and durable, and long service life.