Spot supply includes eight series of over 900 varieties, including hexagonal head bolts, hexagonal flange bolts, double headed bolts, machine screws, rivets, pin shafts, fastener assemblies, special standard threaded parts, non-standard threaded parts, and shaft components. The product specifications range from M6 to M20 in diameter and 10-100mm in length. It can produce high-strength bolts according to national standards or customer requirements, with product grades covering 4.8 to 12.9. The product is widely used in fields such as automobiles, internal combustion engines, construction machinery, electromechanical products, and the power industry, and is highly favored by users.