Shanghai Jinrui is a fastener enterprise who owes a set of R & D,Website:http://www.chinajinrui.net, design, production and sales of high quality.With the managing principle of "exploration, innovation and pursuit of excellent quality",the company has successively introduced advanced multi-functional cold heading equipment, thread machine,nut machine and large-size hot heading equipment and supporting detection equipment, such as magnetic detection machines,metallographic analyzer,salt spray tester,etc.We have customized many bolts for our clients from USA, Canada, Austrila, Europe countries,Southeast Aisa,etc.There are customized flange bolt M16*90, customized hub bolt M10*45, customized Chicago bolt M12*30,etc. Our engineers can design the products you need according to the drawings, samples, or details. Below are some customized bolt we have done before. Customized Chicago boltCustomized Hub bolt