Item No: 51B20

Product specification: 5 ~ 42.00mm

Executive standard: agreement

Scope of application: applicable to the production of 10.9 grade steel fasteners

Applications: general components, fasteners, high strength fasteners

Product Description: 51B20 is the production of 10.9 high strength fasteners of the steel, the product has a stable composition, low harmful elements, high purity of steel, decarburization layer is small, less surface defects and other advantages. After annealing, the cold heading property is good. The product has good hardenability.