2a thread class right-hand 0.312" thread length hexagon head style 28 thread quantity per inch passivate screw surface treated m/f MS35308-305; unthreaded portion opposite head end 0.188 in. lg, 0.625 in. dia unf thread series
2a thread class right-hand 0.417" thread length pan head style 24 thread quantity per inch passivate screw surface treated self-locking unc thread series
2a thread class right-hand 1.250" thread length hexagon head style 20 thread quantity per inch drilled hole located on head 0.13 inch diameter x 1.34/1.41 dp addition taped hole located on head 0.250 inch 28 nf (tapered) 0.13 inch diameter hole thru shank
