Used on arn shipboard material handling equipment (mhe). 3b thread class right-hand 18 thread quantity per inch 2 holes 0.045 in. to 0.051 in. dia drilled 0.281 in. from opposite end of smallest id
Used on aircraft application, boeing vertol cargo transport helicopter,model ch-47. 3b thread class right-hand 16 thread quantity per inch cadmium surface treated
