2a thread class right-hand 1.000" thread length hexagon head style 1.000" grip length 16 thread quantity per inch locking feature plastic ployamide unc thread series
3a thread class right-hand flush countersunk head style 0.630" grip length 32 thread quantity per inch 156000 single pounds per square inch shear strength nickel surface treated unjc thread series
3a thread class right-hand flush countersunk head style 0.255" grip length 32 thread quantity per inch 95000 single pounds per square inch shear strength color green on thd end cadmium surface treated unjf thread series