2a thread class right-hand 0.050" thread length fillister head style 40 thread quantity per inch furnished with 1 flat washer 0.250 in. od by 0.020 in. thk passivate surface treated unc thread series
3a thread class right-hand 0.540" thread length round w/wrench flats chamfered head style 20 thread quantity per inch outer edge of one wrench flat chamfered 0.085 in. lg by 60 deg cadmium surface treated unf thread series
3a thread class right-hand 0.843" grip length 29200 double pounds per square inch shear strength single shear strength 132000 nickel surface treated unjf thread series
flush (flat) countersunk (included angle - less than 135 deg w or w/o chamfer) head style 85000 single pounds per square inch shear strength passivate surface treated
3a thread class right-hand 0.193" grip length 28 thread quantity per inch 95000 single pounds per square inch shear strength cadmium surface treated unjf thread series
