3b thread class 32 thread quantity per inch one end knurled on external threads to 0.060 in., knurled end counterbored 0.145 in. dia. by 0.060 in. deep cadmium surface treated plain unc thread series
3b thread class right-hand 0.775" thread length 11 thread quantity per inch has internal thread lock passivate surface treated keylock unjc thread series
