3a thread class right-hand 0.317" thread length double hexagon head style 0.1546" grip length 24 thread quantity per inch cadmium surface treated unjf thread series
flush (flat) countersunk (included angle - less than 135 deg w or w/o chamfer) head style 0.563" grip length 32000 single pounds per square inch shear strength cadmium surface treated
3a thread class right-hand 0.626" thread length hexagon head style 0.797" grip length 20 thread quantity per inch passivate surface treated unf thread series
flush (flat) countersunk (included angle - less than 135 deg w or w/o chamfer) head style 0.532" grip length 12000 double pounds per square inch shear strength cadmium surface treated
3a thread class right-hand 0.783" thread length flat chamfer head style 32 thread quantity per inch passivate fastener surface treated unrc thread series
3a thread class right-hand 0.532" thread length hexagon head style 0.312" grip length 24 thread quantity per inch passivate surface treated unf thread series