3a thread class right-hand 0.644" thread length hexagon head style 20 thread quantity per inch undercut under head 3/32 w by 0.610 in dia.; undercut under shoulder 3/32 in min unf thread series
2a thread class right-hand 0.344" thread length hexagon head style 20 thread quantity per inch 1/16 in. w by 27/64 in. dia undercut back of head unf thread series
right-hand 4.360" thread length hexagon head style 4.040" grip length 24 thread quantity per inch idrilled hole in head zinc surface treated unf thread series
3a thread class right-hand 0.600" thread length hexagon head style 1.130" grip length 24 thread quantity per inch zinc surface treated unf thread series
3a thread class right-hand 0.620" thread length hexagon head style 0.176" grip length 28 thread quantity per inch zinc surface treated unf thread series
2a thread class right-hand 1.250" thread length square head style 0.047" grip length 18 thread quantity per inch lead surface treated unc thread series
3a thread class right-hand 1.125" thread length hexagon head style 0.125" hole diameter 1.500" grip length 13 thread quantity per inch unc thread series
3a thread class right-hand 1.125" thread length hexagon head style 1.000" grip length 14 thread quantity per inch cadmium or zinc surface treated unc thread series
right-hand 1.750" thread length hexagon head style 18 thread quantity per inch 0.031 in. radius groove located 0.250 in. from washer face on head unf thread series
2a thread class right-hand 0.143" thread length round head style 32 thread quantity per inch w/hole in nonstandard point 0.0595 in. dia 1/16 in. deep unc thread series
2a thread class right-hand 0.594" thread length round extended washer head style 32 thread quantity per inch cadmium screw surface treated unf thread series
