flush (flat) countersunk (included angle - less than 135 deg w or w/o chamfer) head style 0.126" grip length cadmium body or chromate body surface treated
flush (flat) countersunk (included angle - less than 135 deg w or w/o chamfer) head style 0.313" grip length anodize stem or chromate stem surface treated
3a thread class right-hand 0.416" thread length hexagon head style 2.302" grip length 20 thread quantity per inch cadmium surface treated unf thread series
3a thread class right-hand 0.416" thread length hexagon head style 2.302" grip length 20 thread quantity per inch cadmium surface treated unf thread series
9steel 4130; 3.595 in lg o/a; 0.750 in hex, 0.156 in thk head, 0.4956 in min, 0.4964 in max dia, 3.000 in lg shank chrome plated per qq-c-320 to 0.0015 in thk w/o.063 in wd, relief grooves both ends, 1/2-20 NF3 thd end 0.313 in lg w/diametral center hole
3a thread class right-hand 0.406" thread length flat countersunk head style 32 thread quantity per inch passivate screw surface treated unc thread series
3a thread class right-hand 0.438" thread length flat countersunk head style 32 thread quantity per inch passivate screw surface treated unf thread series
3a thread class right-hand 0.312" thread length flat countersunk head style 32 thread quantity per inch passivate screw surface treated unf thread series
3a thread class right-hand 0.437" thread length flat countersunk head style 32 thread quantity per inch passivate screw surface treated unf thread series
3a thread class right-hand 0.438" thread length flat countersunk head style 32 thread quantity per inch passivate screw surface treated unf thread series
3a thread class right-hand 0.438" thread length flat countersunk head style 32 thread quantity per inch passivate screw surface treated unf thread series
3a thread class right-hand 0.485" thread length flat countersunk head style 32 thread quantity per inch passivate screw surface treated mark head cn- for non-magnetic use unc thread series
3a thread class right-hand 0.657" thread length flat countersunk head style 32 thread quantity per inch passivate screw surface treated mark head "cn"-for non-magnetic use unc thread series
3a thread class right-hand 0.484" thread length flat countersunk head style 32 thread quantity per inch passivate screw surface treated unf thread series
3a thread class right-hand 1.750" thread length flat countersunk head style 32 thread quantity per inch passivate screw surface treated unf thread series
3a thread class right-hand 0.233" thread length flat countersunk head style 32 thread quantity per inch cadmium screw surface treated unf thread series