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SKU: 115-372

Infinity Tools 4" x 2-1/2" Quick Coupler

Regular price $5.90

This 4" x 2-1/2" Quick Coupler adapts a 2-1/2" hose to a 4" quick-disconnect, tapered fitting. NOTE: The hose connection on this fitting uses right-hand threads. Please check the winding direction of your dust collection hose before ordering.

Frequently Asked Questions

What does the 4" x 2-1/2" Quick Coupler do?

It adapts a 2-1/2" hose to a 4" quick-disconnect, tapered fitting, letting you connect a smaller hose to a 4" port quickly. See more dust collection fittings.

Are the threads right-handed or left-handed?

The hose connection uses right-hand threads. Check your dust collection hose's winding direction before ordering to ensure it threads on properly.

What makes this a quick coupler?

The 4" side uses a tapered quick-disconnect design, so you can connect and disconnect the fitting fast without tools, which is ideal for moving a hose between machines.

What hose sizes does this coupler join?

It joins a 2-1/2" hose to a 4" quick-disconnect fitting. Find both sizes in our hoses and accessories collection.

Why should I check my hose winding before ordering?

Because the hose connection uses right-hand threads, the hose must wind in the matching direction to thread on securely. Confirming the winding prevents a mismatch.

Is this coupler good for shops that share one hose?

Yes. The quick-disconnect design makes it easy to move a single 2-1/2" hose between several 4" ports. Explore the full dust collection range to build out your shop.

How is this different from the 4" x 2-1/2" Y-fitting?

The quick coupler is a tapered quick-disconnect adapter for fast hose changes, while the Y-fitting permanently branches a 2-1/2" hose into a 4" run. Choose based on whether you need a removable or fixed connection.

Does the tapered fit hold securely?

The tapered quick-disconnect provides a snug press-fit on the 4" side, while the 2-1/2" hose side threads on for a secure hold.

Can I use this coupler with blast gates?

Yes. It works well alongside blast gates and other connectors. Browse our dust collection fittings for gates, reducers, and Y-fittings.

Do I need clamps with the quick coupler?

The threaded 2-1/2" hose connection holds without clamps, and the 4" side uses a tapered quick-disconnect. Add clamps from our hoses and accessories if you want extra security.