3a thread class right-hand 0.594" thread length pan head style 4.615" grip length 24 thread quantity per inch cadmium surface treated unjf thread series
3a thread class right-hand 0.403" thread length flat countersunk head style 1.428" grip length 28 thread quantity per inch passivate surface treated unjf thread series
3a thread class right-hand 0.501" thread length flat countersunk head style 3.624" grip length 24 thread quantity per inch passivate surface treated unjf thread series
3a thread class right-hand 1.318" thread length flat chamfer head style 11 thread quantity per inch passivate fastener surface treated unc thread series