High Quality Socket Hex Csk Screw, DIN 7991

We take pleasure in a really excellent name amongst our shoppers for nut bolt, bolts and fasteners CE, steel bar ISO9001:2008. We will serve our customers with strong technical force, advanced production equipment, standardized production technology, strict testing procedures and flexible sales policies. We have formed a professional marketing team and after-sales service system with wide coverage, stability and efficiency.

Shanghai Jinrui Norm Parts Supplies Co.,Ltd is one of the leading din hex socket screw manufacturers and suppliers in China, welcome to buy din hex socket screws, din standard hex socket screw from our factory and company.

Shanghai Jinrui Norm Parts Supplies Co., Ltd. was built in 2001 which located in Baoshan District adjacent to the Bao Steel Group.Shanghai Jinrui is a fastener enterprise who owes a set of R & D, design, production and sales of high quality.Since the establishment of Jinrui, an annual production capacity of 10000 tons fasteners has been achieved.                                 Hex socket screw used in electric power facilities、electric appliance、chemical engineering mechanical equipment and so on.And usually used with nut and washer.And normal socket screw tensile strength is High to 1000Mpa and more.

From raw materials to finished products, each of our High Quality Socket Hex Csk Screw, DIN 7991 has undergone rigorous testing in terms of safety and efficiency. In order to carry out our goal of 'customer first and mutual benefit' in the cooperation, we establish a specialist engineering team and a sales team to supply the best service to satisfy our customers' requirements. We strongly believe that we can do better and better.