Flanged Self Locking Nut Rockford

Our Flanged Locknuts Are Grade G (8) and Are Prevailing Torque Type. They Have a Phosphate Finish Over High Strength Medium Alloy Steel. The Proof Load is Rated 150,000 P.S.I. Meets or Exceeds IFI 100/107 & IFIF 101 Standards. Eliminates the Need for Assembling Washers. Use With Grade 8 Flange Bolts & Grade 8 Cap Screws (Also Available). Manufactured to Meet or Exceed O.E.M. Specifications in Function, Form & Fit.