Hexagon Plug,Taper (Conical) Thread
Hexagon Plug,Parallel (Cylinder) Thread
Square Plug
Hexagon Bushing M/F
Negative Hexagon Bushing M/F
Hexagon Cap
Round Cap Banded
Round Cap Banded Socket Weld
Backnut(Locknut)
Welding Spud
Adaptor M/F