Located in Phoenix Arizona, Superior Bolt Manufacturing Company, LLC is a leading importer of high-quality, low-cost large diameter specialty fasteners, blanks and bolts. With manufacturing plants in the United States, Mexico and China, Superior Bolt Mfg. has the experience and capacity to handle any size order.

Superior Bolt Mfg. takes pride in the quality of our products. All of our fasteners meet the highest quality standards from our ISO 9002 certified factories. In addition to our custom manufacturing capabilities, Superior Bolt Mfg. maintains a large inventory of “quick ship” blanks. These stock blanks and bolts are ready to be cut and threaded to your specifications and shipped to you in less than 48 hours.

The best products are only as good as the people behind them. At Superior Bolt Mfg. our experienced people set us apart from the competition. John Roach, General Manager of Superior Bolt Mfg.¸ has 40 years of experience in the fastener business. His reputation for honesty¸ integrity and expertise is known industry wide. Rest assured that if he can´t help you with your fastener, blank or bolt needs, he probably knows someone who can. So if you´re looking for quality, low-cost and on-time delivery of your large diameter fasteners, blanks or bolts, call John Roach at Superior Bolt Mfg...

...You'll be glad you did!