3a thread class right-hand 0.623" thread length spline drive shear head head style 1.678" grip length 20 thread quantity per inch passivate surface treated unjf thread series
3a thread class right-hand 0.699" thread length spline drive shear head head style 2.615" grip length 18 thread quantity per inch passivate surface treated unjf thread series
3a thread class right-hand 1.104" thread length hexagon head style 2.875" grip length 16 thread quantity per inch holes drilled ninety degrees apart, plunger in thread end with self retaining element unjf thread series
3a thread class right-hand countersunk w/reverse chamfer head style 0.938" grip length 28 thread quantity per inch 6-32uncj-3b thread size along the longitudinal axis from the head end, 0.120 in. slot length, 0.060 in. slot width located on shank near head unjf thread series