API 11B Sucker/Polish Rod

API 11B Sucker/Polish Rod

Northern Gauge manufactures API 11B Sucker Rod and Polish Rod plug and ring gages. All working gages are manufactured in full compliance to API 11B and fully traceable through our ISO 17025 accredited quality program.

    P8 1-1/8" GO PIN THREAD RING GAUGEP8 1" GO PIN THREAD RING GAUGEP8 7/8" GO PIN THREAD RING GAUGEP8 3/4" GO PIN THREAD RING GAUGEP8 5/8" GO PIN THREAD RING GAUGEP8 1/2" GO PIN THREAD RING GAUGEP7 1-1/8" GO PIN THREAD PLUG GAUGEP7 1" GO PIN THREAD PLUG GAUGEP7 7/8" GO PIN THREAD PLUG GAUGEP7 3/4" GO PIN THREAD PLUG GAUGEP7 5/8" GO PIN NOGO THREAD PLUG GAUGEP7 1/2" GO PIN THREAD PLUG GAUGEP6 1-1/8" NOGO PIN THREAD RING GAUGEP6 1" NOGO PIN THREAD RING GAUGEP6 7/8" NOGO PIN THREAD RING GAUGEP6 7/8" NOGO PIN THREAD RING GAUGEP6 3/4" NOGO PIN THREAD RING GAUGEP6 5/8" NOGO PIN THREAD RING GAUGEP6 1/2" NOGO PIN THREAD RING GAUGEP5 1-1/8" NOGO PIN THREAD PLUG GAUGEP5 1-1/8" NOGO PIN THREAD PLUG GAUGEP5 1-1/8" NOGO PIN THREAD PLUG GAUGEP5 1-1/8" NOGO PIN THREAD PLUG GAUGEP5 1-1/8" NOGO PIN THREAD PLUG GAUGEP5 1" NOGO PIN THREAD PLUG GAUGEP5 7/8" NOGO PIN THREAD PLUG GAUGEP5 3/4" NOGO PIN THREAD PLUG GAUGEP5 5/8" NOGO PIN THREAD PLUG GAUGEP5 1/2" NOGO PIN THREAD PLUG GAUG