... , aluminum, stainless stell, brass, nylon, phenolic, zinc alloy various size & thread & length & material available surface treatment: brass ASTM-B-16, nickel ... 6/6 UL Rated 94V-2 phenolic PBE grade natural color thread specifications: 2-56 / 4-40 / 6-32 / 8-32 / 10 ...