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1/2 Steel Hex Coupler
$6.00
1/2 Steel Hex Coupler. A coupler joins two male-threaded components, providing female threads on both ends.
Plated steel fittings are rated for high pressure and cost less than brass or stainless. They're well suited to clean water service, though they will eventually corrode where chemicals are involved.
Getting fitment right comes down to three things: thread type, thread size, and pressure rating. NPT threads taper and seal on the thread itself, which is why thread sealant or PTFE tape is needed on the male side. Mixing thread standards — NPT against BSP or metric — will either refuse to thread or leak under pressure even when it seems to fit by hand.
Grime Task Force stocks fittings across materials and sizes because a rig is only as reliable as its plumbing, and a single wrong or failing fitting can shut down a job. Keeping common sizes on the truck turns most plumbing failures into a short delay instead of a lost day.
Frequently Asked Questions
What size and type is this fitting? 1/2 Steel Hex Coupler — confirm against your existing plumbing before ordering.
Do I need thread sealant? Yes on NPT male threads. Use PTFE tape wound clockwise or a liquid thread sealant; NPT seals on the threads themselves, not on a gasket.
Which material should I choose? Stainless for chemical service, brass for general water, plated steel for economical clean water use, and poly or PVC for chemical and low-pressure lines.
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