Flange bolts and locknuts form a strong dependable fastening system that substantially cuts truck assembly, maintenance and repair cost. The flange bolts are made of IFI 111 industry standard specifications, and when used in conjunction with the flange locknuts form a 150,000 PSI tensile strength fastening system. Equivalent to SAE J429, Grade 8 industry standard specification. Flat washers and lock washers are not needed with flange bolts. Flange fastening system reduces the need for costly hole preparations such as deburring and countersinking.
