flush (flat) countersunk (included angle - less than 135 deg w or w/o chamfer) head style 0.251" grip length cadmium stem or chromium stem surface treated
3a thread class right-hand 0.425" thread length dished hexagon head style 2.375" grip length 28 thread quantity per inch cadmium surface treated unf thread series
2a thread class right-hand 0.375" thread length flat chamfer head style 32 thread quantity per inch head vertially knurled passivate fastener surface treated unf thread series
3a thread class right-hand 0.922" thread length hexagon head style 2.547" grip length 18 thread quantity per inch passivate surface treated unf thread series
3a thread class right-hand 0.316" thread length dished hexagon head style 3.125" grip length 28 thread quantity per inch cadmium surface treated unf thread series
3a thread class right-hand 0.375" thread length dished hexagon head style 0.188" grip length 24 thread quantity per inch cadmium surface treated unjf thread series
3a thread class right-hand 0.428" thread length dished hexagon head style 1.115" grip length 20 thread quantity per inch cadmium surface treated unjf thread series
3a thread class right-hand 0.276" thread length dished hexagon head style 3.687" grip length 32 thread quantity per inch cadmium surface treated unf thread series
3a thread class right-hand 0.641" thread length flat countersunk head style 0.312" grip length 24 thread quantity per inch cadmium surface treated unf thread series
2a thread class right-hand 0.125" thread length pan no. 2 head style 40 thread quantity per inch passivate screw surface treated 100000 psi min ts of material unc thread series
2a thread class right-hand 0.281" thread length pan no. 2 head style 24 thread quantity per inch passivate screw surface treated 100000 psi min ts of material unc thread series
