2a thread class right-hand 0.875" thread length hexagon head style 0.041" hole diameter 32 thread quantity per inch longitudinal hole drilled in top of head 0.109" dia x 0.750" deep. magnetic permeability: less than 2.0 passivate surface treated unf thread series
3a thread class right-hand 0.530" thread length flat countersunk head style 0.178" grip length 32 thread quantity per inch passivate surface treated unjf thread series
3a thread class right-hand 0.397" thread length spline drive shear head head style 0.428" grip length 28 thread quantity per inch cadmium surface treated unjf thread series
3a thread class right-hand 0.438" thread length flat countersunk head style 1.365" grip length 24 thread quantity per inch cadmium surface treated unjf thread series
flush (flat) countersunk (included angle - less than 135 deg w or w/o chamfer) head style 0.313" grip length single action. color yellow on spindle chromate stem surface treated
flush (flat) countersunk (included angle - less than 135 deg w or w/o chamfer) head style 0.251" grip length single action. color code yellow on spindle chromate stem surface treated
3a thread class right-hand 0.391" thread length dished hexagon head style 2.115" grip length 24 thread quantity per inch chromium bearing surface of head surface treated unjf thread series
3a thread class right-hand 0.453" thread length dished hexagon head style 1.365" grip length 20 thread quantity per inch chromium bearing surface of head surface treated unjf thread series
2a thread class right-hand 0.345" thread length button head style 32 thread quantity per inch passivate screw surface treated this is a crypto new item unc thread series