2a thread class right-hand 0.375" thread length knurled no. 4 head style 32 thread quantity per inch head vertically knurled passivate fastener surface treated unf thread series
flush (flat) countersunk (included angle - less than 135 deg w or w/o chamfer) head style 1.031" grip length 5900 single pounds per square inch shear strength cadmium bolt surface treated
3a thread class right-hand 0.400" thread length dished hexagon head style 0.928" grip length 28 thread quantity per inch cadmium surface treated unjf thread series
3a thread class right-hand 0.400" thread length dished hexagon head style 0.802" grip length 28 thread quantity per inch cadmium surface treated unjf thread series
3a thread class right-hand 0.400" thread length dished hexagon head style 0.552" grip length 28 thread quantity per inch cadmium surface treated unjf thread series
2a thread class right-hand 0.250" thread length fillister head style 32 thread quantity per inch cone point 120 degree passivate surface treated unc thread series