3a thread class left-hand flush (flat) countersunk (included angle - less than 135 deg w or w/o chamfer) head style 0.501" grip length 40 thread quantity per inch 0.2120 in. second shank diameter cadmium bolt surface treated unf thread series
3a thread class left-hand flush (flat) countersunk (included angle - less than 135 deg w or w/o chamfer) head style 0.626" grip length 40 thread quantity per inch 0.2094 in. second shank diameter cadmium bolt surface treated unf thread series
3a thread class right-hand 0.503" thread length dished hexagon head style 2.240" grip length 20 thread quantity per inch cadmium or chromate surface treated unjf thread series
flush (flat) countersunk (included angle - less than 135 deg w or w/o chamfer) head style 85000 single pounds per square inch shear strength passivate surface treated
3a thread class right-hand 0.913" thread length flat countersunk head style 0.518" grip length 20 thread quantity per inch cadmium surface treated unjf thread series
3a thread class right-hand 0.410" thread length headless (setscrew) head style 0.046" hole diameter 32 thread quantity per inch hex 0.110 min unf thread series