3a thread class right-hand 0.807" grip length 13100 double pounds per square inch shear strength 0.0470 oversize. for repair work only. cadmium surface treated unjf thread series
3a thread class right-hand 0.745" grip length 13100 double pounds per square inch shear strength 0.047 oversize. for repair work only. cadmium surface treated unjf thread series