MICHIGAN & ARROWHEAD 1/2"-20T H: 5/16"
UNION 33/64"-18T
HARCRAFT 9/16"-20T H:3/8"
T&S BRASS 5/8"-27T H: 13/32"
UNION 5/8"-18T H: 5/16"
ELJER 1/2"-20T H: 3/8"