2a thread class right-hand 0.349" thread length hexagon head style 24 thread quantity per inch third shoulder dia 0.424 in. lg 0.280 in. zinc surface treated unf thread series
2a thread class right-hand 0.688" thread length flat countersunk head style 11 thread quantity per inch phosphate screw surface treated unc thread series
3a thread class right-hand 0.614" thread length double hexagon extended washer head style 0.128" grip length 32 thread quantity per inch unjf thread series
flush (flat) countersunk (included angle - less than 135 deg w or w/o chamfer) head style 1.344" grip length 3450 single pounds per square inch shear strength cadmium body surface treated
3a thread class right-hand flat countersunk undercut head style 0.885" grip length 24 thread quantity per inch 95000 single pounds per square inch shear strength furnished w/rubber, synthetic o-ring cadmium surface treated unjf thread series
3a thread class right-hand 0.130" grip length 28 thread quantity per inch 4500 double pounds per square inch shear strength anodize surface treated unjf thread series
3a thread class right-hand 0.322" grip length 32 thread quantity per inch 7480 double pounds per square inch shear strength nickel surface treated unjf thread series
2a thread class right-hand 0.469" thread length hexagon head style 20 thread quantity per inch washer faced bearing surface on head oxide surface treated unf thread series
