Home > Hose Couplings > Pin Lug Couplings
We stock many configurations when it comes to pin lug couplings, or (king shank suction couplings). We have couplings ranging from 1 1/2" to 6" in size with NPSM threads and NST threads; in aluminum, brass, steel, and plated steel.



Industrial Supply offers a multitude of items ranging from camlocks, hydraulic hose, industrial hose, pipe fittings, hydraulic quick couplers, gauges, and many more industrial type products. If you see something on the site that you would like to know more about, or if there is something that you were looking for in particular that’s not on the site, please contact us at (360) 734-6330 and we’ll be there to help you as we pride ourselves with “Service Being Our Most Important Product”.
King Short & Long Shank Pin Lug Couplings Pin Lug Spanner Wrench
We stock many configurations when it comes to king short & long shank pin lug couplings, or (king short shank suction couplings). These couplings rang from 1 1/2" to 6" in size with NPSM threads. They come in aluminum shanks with brass nuts, brass shanks with brass nuts, and plated iron shanks with plated iron nuts.
We stock pin lug spanner wrenches for pin lug couplings. These spanner wrenches will work for 1 1/2" to 4" pin lug couplings. These are plated iron and single end.
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Pin Lug - Spanner Wrench - 1 1/2" - Plated Iron Pin Lug - Spanner Wrench - 1 1/2" - Plated Iron

Our 1 1/2" pin lug spanner wrench is for a 1 1/2" pin lug coupling. The purpose if this wrench is to loosen and tighten the coupling when it needs adjusting. These are plated iron and are a single end wrench.

Our Price: $4.00
Pin Lug - Spanner Wrench - 2" - Plated Iron Pin Lug - Spanner Wrench - 2" - Plated Iron

Our 2" pin lug spanner wrench is for a 2" pin lug coupling. The purpose if this wrench is to loosen and tighten the coupling when it needs adjusting. These are plated iron and are a single end wrench.

Our Price: $4.00
Pin Lug - Spanner Wrench - 3" - Plated Iron Pin Lug - Spanner Wrench - 3" - Plated Iron

Our 3" pin lug spanner wrench is for a 3" pin lug coupling. The purpose if this wrench is to loosen and tighten the coupling when it needs adjusting. These are plated iron and are a single end wrench.

Our Price: $7.00
Pin Lug - Spanner Wrench - 4" - Plated Iron Pin Lug - Spanner Wrench - 4" - Plated Iron

Our 4" pin lug spanner wrench is for a 4" pin lug coupling. The purpose if this wrench is to loosen and tighten the coupling when it needs adjusting. These are plated iron and are a single end wrench.

Our Price: $7.00