2a thread class right-hand 1.028" thread length hexagon extended washer head style 18 thread quantity per inch flanged head oxide surface treated unrc thread series
2a thread class right-hand 0.844" thread length hexagon head style 0.060" hole diameter 16 thread quantity per inch zinc fastener surface treated unc thread series
Used on hxn;wln;eyn;wgn;qwn;yjn;23n;exn;sjn. 2a thread class right-hand 1.000" thread length hexagon head style 16 thread quantity per inch unc thread series