Set of 5 sets (hex screw + nut). Screws with M3, M4, M5 threads of different lengths are available.

Premium material: hexagon socket nuts and screws set is made of excellent carbon steel with rust-proof coating, is excellent wear-resistant, has a beautiful smooth surface, is solid and durable for long-term use, provides strength and offers good corrosion resistance in many environments.

Easy to use: the hexagon screw nuts set can expand the contact surface and reduce pressure to protect the screws and parts. The steel threads are even, smooth and firm, not easy to deform and slide in the working process, fit perfectly with nuts.

Wide applications: widely used in household and office equipment, communication equipment, ship assembly and other machinery industries, furniture, car and motorcycle repairs and DIY inventions, industrial and construction fastenings, etc.