Mansour Mining Technologies
Smelter Refinery
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Drill steel for "Joy Mud Gun". Standard lengths 6'6" & 8 ft. Accepts an RDL wing bit.
Standard 4" wide coupler used primarily for sealing vent pipe where they have a separated. Other widths available.
12" wide coupler for flangeless pipe. Standard 16 guage galvanized G90 material. Rubber gasket inside to prevent air loss.