Non-Standard Screws, Square Solt, Round Head, Partial Thread Screws

We adhere to the business philosophy of prudence, prudence, and responsibility, and manufacture each lag screws, Mertic Double Ends Stud, anchor bolts CE with a rigorous attitude. We adhere to the integrity to the end, and carry forward the spirit of hard work. Our company is guided by market demand and serves our customers with excellent technology and integrity.

Shanghai Jinrui Norm Parts Supplies Co.,Ltd is one of the leading gb square head bolt manufacturers and suppliers in China, welcome to buy gb square head bolts, gb standard square head bolts, expansion bolt 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.

Square head bolts is similar with hexagon head bolt, but this kind of bolt, square head bolt has larger surface force, commonly used in rough structure can also be used for parts with a T-shaped groove, in order to adjust the position of the bolt.

Square head bolts are divided into a grade4.8 bolt, grade8.8 bolts, grade10.9 bolts, grade12.9 bolts depengding on the strength. According to the screw wire material ,it's dividedinto iron bolts and stainless steel bolts, stainless steel bolts have SUS304 stainless steel bolts, stainless steel, SUS201 bolts, stainless steel SUS316 bolts.

Our Non-Standard Screws, Square Solt, Round Head, Partial Thread Screws is widely loved by customers for its stunning design, excellent quality, and superior value. We rely on our rich human resources and excellent scientific research conditions to adapt to the overall development of the market with an innovative mechanism. Since the establishment of the company, in order to better meet the needs of the market and the majority of users, our new products emerge in endlessly, we always maintain reliable quality, technical assurance, timely service.