2a thread class right-hand 1.000" thread length hexagon head style 1.310" grip length 16 thread quantity per inch cadmium or zinc surface treated unc thread series
3a thread class right-hand flush countersunk head style 0.427" grip length 24 thread quantity per inch 125000 single pounds per square inch shear strength unjf thread series
3a thread class right-hand flush countersunk head style 0.302" grip length 24 thread quantity per inch 125000 single pounds per square inch shear strength unjf thread series
3a thread class right-hand flush countersunk head style 0.427" grip length 24 thread quantity per inch 125000 single pounds per square inch shear strength unjf thread series
3a thread class right-hand 0.443" grip length 24 thread quantity per inch 95000 single pounds per square inch shear strength anodize surface treated unjf thread series