3a thread class right-hand 1.255" thread length knurled no. 4 head style 28 thread quantity per inch 0.062 in. hole drilled thru the diameter of threads, 0.100 in. from thread end of item cadmium surface treated unf thread series
2a thread class right-hand 0.190" thread length fillister head style 0.062" hole diameter 28 thread quantity per inch passivate surface treated unf thread series
3a thread class right-hand 0.229" thread length flat countersunk head style 0.216" grip length 32 thread quantity per inch cadmium surface treated unjf thread series
3a thread class right-hand flush (flat) countersunk (included angle - less than 135 deg w or w/o chamfer) head style 0.750" grip length cadmium expander surface treated unf thread series
3a thread class right-hand 0.425" thread length dished hexagon head style 1.375" grip length 28 thread quantity per inch cadmium surface treated unf thread series
2a thread class right-hand 0.242" thread length flat countersunk head style 24 thread quantity per inch passivate screw surface treated hole drilled 0.139-0.141 dia thru center of screw unc thread series
3a thread class right-hand 0.553" thread length dished hexagon head style 0.865" grip length 24 thread quantity per inch with button, strip or patch type element in threads for locking feature cadmium surface treated unjf thread series
3a thread class right-hand 0.714" thread length flat countersunk head style 32 thread quantity per inch cadmium screw surface treated unjc thread series
3a thread class right-hand 0.563" thread length flat countersunk head style 24 thread quantity per inch passivate screw surface treated unf thread series
2a thread class right-hand 0.146" thread length flat countersunk head style 48 thread quantity per inch passivate screw surface treated unf thread series
3a thread class right-hand 0.781" thread length hexagon head style 4.438" grip length 20 thread quantity per inch passivate surface treated unf thread series
