Salisbury 21191 Short Ball Stud (1" Dia. Ball) (1/2" Thread Size)
The Ball Studs are made from tin-plated copper or copper alloy. They each have a 1" diameter ball. Recommended installation torque of 300 in. lbs. The short stud is used conventionally. The long stud can also be used as the grounding point for "C" or Duckbill clamps that have a jaw width of 2.75" or less.