2a thread class right-hand 0.531" thread length pan no. 2 head style 28 thread quantity per inch second relieved threaded 7/16-20 unf 2a oxide surface treated unf thread series
3a thread class right-hand 0.437" thread length hexagon head style 0.296" grip length 28 thread quantity per inch cadmium fastener surface treated unf thread series
3a thread class right-hand 0.290" thread length flat countersunk head style 0.802" grip length 28 thread quantity per inch cadmium surface treated unjf thread series
right-hand 0.553" thread length double hexagon w/hole head style 0.070" hole diameter 32 thread quantity per inch nickel surface treated uns thread series
1a thread class right-hand 0.678" thread length double hexagon extended washer head style 28 thread quantity per inch nickel surface treated unf thread series
2a thread class right-hand 1.000" thread length hexagon head style 0.125" hole diameter 16 thread quantity per inch cadmium surface treated unc thread series
flush (flat) countersunk (included angle - less than 135 deg w or w/o chamfer) head style 0.106" grip length 240 single pounds per square inch shear strength anodize or oxide film surface treated
flush (flat) countersunk (included angle - less than 135 deg w or w/o chamfer) head style 1.177 mils grip length 24000 single pounds per square inch shear strength anodize or oxide film surface treated
2a thread class right-hand 1.031" thread length spline drive shear head head style 20 thread quantity per inch zinc screw surface treated unf thread series
2a thread class right-hand 0.625" thread length round w/wrench flats head style 12 thread quantity per inch phosphate surface treated unf thread series
