2a thread class right-hand 0.200" thread length flat chamfer head style 40 thread quantity per inch passivate screw surface treated thread relief 0.049-0.051 in. long; 0.076 in. dia. unc thread series
3a thread class right-hand 0.439" grip length 28 thread quantity per inch 108000 single pounds per square inch shear strength cadmium surface treated unjf thread series
3a thread class right-hand 0.313" grip length 28 thread quantity per inch 108000 single pounds per square inch shear strength cadmium surface treated unjf thread series
flush (flat) countersunk (included angle - less than 135 deg w or w/o chamfer) head style 1.156" grip length cadmium mechanical lock or passivate mechanical lock surface treated
3a thread class right-hand 0.438" thread length dished hexagon head style 0.365" grip length 24 thread quantity per inch cadmium surface treated unjf thread series
3a thread class right-hand 0.438" thread length dished hexagon head style 0.490" grip length 24 thread quantity per inch cadmium surface treated unjf thread series
3a thread class right-hand 0.438" thread length dished hexagon head style 0.552" grip length 24 thread quantity per inch cadmium surface treated unjf thread series
3a thread class right-hand 0.413" thread length dished hexagon head style 0.552" grip length 24 thread quantity per inch cadmium surface treated unjf thread series
3a thread class right-hand 0.370" thread length dished hexagon head style 0.552" grip length 28 thread quantity per inch cadmium surface treated unjf thread series
3a thread class right-hand 0.370" thread length dished hexagon head style 0.428" grip length 28 thread quantity per inch cadmium surface treated unjf thread series
3a thread class right-hand 0.370" thread length dished hexagon head style 0.428" grip length 28 thread quantity per inch cadmium surface treated unjf thread series
3a thread class right-hand 0.370" thread length dished hexagon head style 0.365" grip length 28 thread quantity per inch cadmium surface treated unjf thread series
3a thread class right-hand 0.370" thread length dished hexagon head style 0.302" grip length 28 thread quantity per inch cadmium surface treated unjf thread series
3a thread class right-hand 0.370" thread length dished hexagon head style 0.302" grip length 28 thread quantity per inch cadmium surface treated unjf thread series
