3a thread class right-hand 0.340" thread length hexagon head style 1.062" grip length 20 thread quantity per inch cadmium surface treated unf thread series
3a thread class right-hand 0.480" thread length flat countersunk head style 28 thread quantity per inch cadmium screw surface treated unf thread series
3a thread class right-hand 0.267" thread length double hexagon head style 0.740" grip length 28 thread quantity per inch nickel surface treated unjf thread series
3a thread class right-hand 0.291" thread length flat countersunk head style 1.865" grip length 28 thread quantity per inch cadmium surface treated unf thread series
2a thread class right-hand 0.620" thread length dee chamfer head style 24 thread quantity per inch undercut in shank 1.700 under head 0.334 min 0.344 max dia unf thread series
3a thread class right-hand 0.423" thread length flat countersunk head style 1.552" 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 distance from top of head nickel surface treated unf thread series
3a thread class right-hand 0.210" thread length flat countersunk head style 0.613" grip length 32 thread quantity per inch nickel surface treated unjf thread series
3a thread class right-hand 0.210" thread length flat countersunk head style 0.490" grip length 32 thread quantity per inch nickel surface treated unjf thread series
3a thread class right-hand 0.490" thread length double hexagon head style 0.428" grip length 20 thread quantity per inch navy special project cadmium surface treated unjf thread series
3a thread class right-hand 0.374" thread length double hexagon head style 0.428" grip length 24 thread quantity per inch navy special project cadmium surface treated unjf thread series
3a thread class right-hand 0.325" thread length double hexagon head style 0.490" grip length 24 thread quantity per inch cadmium surface treated unjf thread series
