Used on M1. 3a thread class left-hand 2.500" thread length hexagon head style 32 thread quantity per inch right hand THREAD5/16-32unef-3a unef thread series
2a thread class right-hand 1.500" thread length hexagon head style 18 thread quantity per inch drilled hole in threads 0.125 in.dia., 0.820 in.from end of threads unf thread series
right-hand 1.750" thread length hexagon head style 18 thread quantity per inch cold forged; protected by perma plate finish; double heat treated; 10 per pkg unf thread series
3a thread class right-hand 0.345" thread length double hexagon extended washer head style 32 thread quantity per inch silver surface treated unjf thread series
right-hand 0.875" thread length hexagon head style 18 thread quantity per inch cold forged; protected by perma plate finish; double heat treated; 100 per pkg unc thread series
right-hand 1.000" thread length hexagon head style 16 thread quantity per inch cold forged; protected by perma plate finish; double heat treated; 50 per pkg unc thread series
right-hand 1.500" thread length hexagon head style 11 thread quantity per inch cold forged; protected by perma plate finish; double heat treated; 25 per pkg unc thread series
2a thread class right-hand 0.500" thread length hexagon head style 0.062" hole diameter 28 thread quantity per inch cadmium surface treated unf thread series
right-hand 0.667" thread length hexagon head style 24 thread quantity per inch cold forged; protected by perma plate finish; double heat treated; 100 per pkg unf thread series
right-hand 0.875" thread length hexagon head style 24 thread quantity per inch cold forged; protected by perma plate finish; double heat treated; 50 per pkg unf thread series
right-hand 1.000" thread length hexagon head style 24 thread quantity per inch cold forged; protected by perma plate finish; double heat treated; 50 per pkg unf thread series
right-hand 1.000" thread length hexagon head style 24 thread quantity per inch cold forged; protected by perma plate finish; double heat treated; 50 per pkg unf thread series
right-hand 1.000" thread length hexagon head style 24 thread quantity per inch cold forged; protected by perma plate finish; double heat treated; 50 per pkg unf thread series
right-hand 1.126" thread length hexagon head style 20 thread quantity per inch cold forged; protected by perma plate finish; double heat treated; 50 per pkg unf thread series
2a thread class right-hand 0.688" thread length hexagon head style 0.0605" hole diameter 16 thread quantity per inch cadmium surface treated unc thread series
