Used on coupling shaf. 3a thread class right-hand 1.140" thread length double hexagon extended washer head style 18 thread quantity per inch heat treated to 180, 000 psi ultimate tensile strength passivate surface treated unjf thread series
Used on coupling shaft. 3a thread class right-hand 1.335" thread length double hexagon extended washer head style 16 thread quantity per inch heat treated to 180.000 psi ultimate tensile strength passivate surface treated unjf thread series
Used on coupling shaft. 3a thread class right-hand 1.568" thread length double hexagon extended washer head style 14 thread quantity per inch heat treated to 180.000 psi ultimate tensile strength passivate surface treated unjf thread series