Used on special aircraft and engine tool and support equipment and parts. 3b thread class right-hand 28 thread quantity per inch navy special project passivate surface treated
2b thread class right-hand 13 thread quantity per inch navy special project allen drive on one end. threaded internally on the other end. outside round, knurled finish externally.
2b thread class right-hand 10 thread quantity per inch navy special project allen drive on one end. threaded internally on the other end. outside round, knurled finish externally.