Shoulder Plug

We are a professional Hexagon Head Plug / Shoulder Plug Manufacturer

Hexagon Plugs are commonly used in combination with gasket seals to close tubes within the header of an (Air-Cooled) Heat Exchanger and to prevent them from leaking. They are able to withstand huge pressure.
3/4″-16 UNF, 7/8”-14 UNF, 1-1/8”-12 UNF, 1-1/2”-12 UNF, 1-3/4”-12 UNF, 1-5/8”-12 UNF, 2”-12 UNF
ASTM A182 F304, F304L, F304H,A182 F316, F316L, 316Ti, 310, 310S, 321, 321H, 317, 347, 347H, 904L
ASTM/ASME A/SA 105
ASTM A350 LF2, LF3,