3a thread class right-hand 0.624" thread length flat countersunk head style 1.115" grip length 20 thread quantity per inch passivate surface treated unjf thread series
3a thread class right-hand 0.313" thread length dished hexagon head style 0.552" grip length 32 thread quantity per inch passivate surface treated unjf thread series
3a thread class right-hand 0.633" thread length hexagon head style 1.297" grip length 24 thread quantity per inch passivate surface treated unjf thread series
Used on f110 ge 100 engine. 3a thread class right-hand 0.680" thread length square head style 0.500" grip length 28 thread quantity per inch unjf thread series
3a thread class right-hand 1.500" thread length flat chamfer head style 13 thread quantity per inch passivate fastener surface treated unrc thread series
3a thread class right-hand 0.816" thread length flat chamfer head style 13 thread quantity per inch navy special project passivate fastener surface treated unrc thread series
3a thread class right-hand 1.250" thread length flat chamfer head style 16 thread quantity per inch passivate fastener surface treated unrc thread series