2b thread class right-hand 1.510" overall length 18 thread quantity per inch contains grommet with 3 holes for no. 0 wire cadmium surface treated environmental type uns thread series
2b thread class right-hand 28 thread quantity per inch applicable to classes a, b, and c cadmium surface treated double clamping action w or w/o bushing unef thread series
2b thread class right-hand 0.828" overall length 20 thread quantity per inch nickel surface treated double clamping action open frame type unf thread series