3a thread class right-hand 0.310" thread length flat chamfer head style 32 thread quantity per inch finish color black oxide surface treated unf thread series
flush (flat) countersunk (included angle - less than 135 deg w or w/o chamfer) head style 1.281" grip length 112000 single pounds per square inch shear strength aluminum sleeve surface treated
flush (flat) countersunk (included angle - less than 135 deg w or w/o chamfer) head style 33000 single pounds per square inch shear strength anodize surface treated
3a thread class right-hand 0.436" thread length hexagon head style 28 thread quantity per inch furnish with bolt one tab, one spacer passivate surface treated unf thread series