3a thread class right-hand 0.383" thread length fillister head style 0.046" hole diameter 48 thread quantity per inch cadmium screw surface treated unf thread series
3b thread class right-hand flush (flat) countersunk (included angle - less than 135 deg w or w/o chamfer) head style 0.375" grip length 32 thread quantity per inch furnished without bolt unf thread series
3a thread class right-hand 0.156" thread length flat chamfer head style 0.093" hole diameter 36 thread quantity per inch tapped hole shank thd dia 0.086-64 unf thread series
3a thread class right-hand 0.075" thread length flat countersunk head style 12 thread quantity per inch 0.010 in. w of undercut between thread unf thread series
3a thread class right-hand 0.352" thread length flat countersunk head style 0.552" grip length 28 thread quantity per inch bearing surface of head grooved to 0.323 in. min, 0.325 in. max dia, 0.050 in. min, 0.055 in. max from top of head nickel surface treated unf thread series
3a thread class right-hand 0.423" thread length flat countersunk head style 0.802" grip length 24 thread quantity per inch bearing surface of head grooved to 0.394 in. min, 0.396 in. max dia, 0.092 in. min, 0.097 in. max from top of head nickel surface treated unf thread series
3a thread class right-hand 0.352" thread length flat countersunk head style 0.490" grip length 28 thread quantity per inch bearing surface of head grooved to 0.323 in. min, 0.325 in. max dia, 0.050 in. min, 0.055 in. max from top of head nickel surface treated unf thread series
3a thread class right-hand 0.352" thread length flat countersunk head style 1.240" grip length 28 thread quantity per inch bearing surface of head grooved to 0.323 in. min, 0.325 in. max dia, 0.050 in. min, 0.055 in. max from top of head nickel surface treated unf thread series
3a thread class right-hand 0.352" thread length flat countersunk head style 0.740" grip length 28 thread quantity per inch bearing surface of head grooved to 0.323 in. min, 0.325 in. max dia, 0.050 in. min, 0.055 in. max from top of head nickel surface treated unf thread series
3a thread class right-hand 0.843" thread length flat countersunk head style 1.052" grip length 18 thread quantity per inch bearing surface of head grooved to 0.769 in. min, 0.771 in. max dia, 0.155 in. min, 0.160 in. max from top of head nickel surface treated unf thread series
3a thread class right-hand 0.251" thread length flat countersunk head style 0.552" grip length 32 thread quantity per inch passivate surface treated unjc thread series
