With more than 40 years experience in the fastener industry Superior Bolt in Phoenix, Arizona has grown to become one of the premier suppliers of high-quality, large diameter fasteners in the United States.

COMMERCIAL/INDUSTRIAL BOLTS, FASTENERS, NUTS

Located in Phoenix Arizona, Superior Bolt is a leading supplier of high-quality, large diameter specialty fasteners. With manufacturing plants in the United States and abroad, Superior Bolt has the experience and capacity to handle any size order.

Superior Bolt takes pride in the quality of our products. All of our fasteners meet the highest quality standards from our ISO certified factories. In addition to our custom manufacturing capabilities, Superior Bolt maintains a large inventory of large diameter bolt blanks. These bolt blanks can be cut and threaded to your specifications and shipped to you within 24-48 hours.

SPECIALIZING IN QUICK DELIVERY  LARGE DIAMETER FASTENERS AND MADE TO PRINT PARTS