5/16-18X1 1/4 Hex Head Flange Non Serrated Frame Bolt IFI-111 2002 Grade 8 Black Phosphate (Pack Qty 1,200) BC-3120BF

For use on truck frames. The flange eliminates washers and helps compensate for a misaligned hole. Used with a Grade-GT lock nut, the bolt system resists bolt slippage by distributing the clamp load over a wide area AISI 4037 - 5135 or equivalent alloy steel Grade-8 frame bolts shall be heat-treated, oil-quenched and tempered at a minimum temperature of 800°FYou may also like 10-32 x 7/8 MS24693-C Phillips Flat 100 Degree Full Thread Machine Screw 300 Series S/S DFAR (Pack Qty 1,000) BC-MS24693-C275.