3b thread class right-hand 20 thread quantity per inch inside diameter of 0.600 in. with 8 equally spaced scallops to a depth of 0.248 in. passivate surface treated
3b thread class right-hand 20 thread quantity per inch inside diameter of 0.515 in. with 8 equally spaced scallops to a depth of 0.216 in. passivate surface treated
3b thread class right-hand 24 thread quantity per inch inside diameter of 0.446 in. with 8 equally spaced scallops to a depth of 0.192 in. passivate surface treated