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23YEARS
SKU: 115-375

Infinity Tools 4" Quick Coupler

Regular price $7.90

This 4" Quick Coupler features a tapered end with a 3-9/16" O.D. to fit inside most 4" ports and fittings. 4" hose threads securely onto the opposite end without the need for hose clamps. NOTE: The threads on this fitting are left-handed to match the winding of most dust collection hoses.

Frequently Asked Questions

What size hose does this Quick Coupler fit?

It is designed for 4" hose, which threads onto the coupler's threaded end. The tapered end has a 3-9/16" outside diameter to fit inside most 4" ports and fittings. See more dust collection hoses and accessories.

Do I need hose clamps to use the coupler?

No. The 4" hose threads securely onto the coupler without the need for hose clamps, making setup and changes quick and tool-free.

Why are the threads left-handed?

The threads are left-handed to match the winding direction of most dust collection hoses. This lets the hose tighten onto the coupler as you thread it on, creating a secure connection.

What is the outside diameter of the tapered end?

The tapered end has a 3-9/16" outside diameter, sized to slip inside most 4" ports and fittings for a snug fit.

Will this coupler fit inside most 4" ports?

Yes. The tapered 3-9/16" O.D. end is intended to fit inside most standard 4" ports and fittings. Browse compatible dust collection fittings for your machines.

Can I use this to connect a hose to a blast gate?

Yes. The coupler joins 4" hose to 4" ports and fittings, so it works well for connecting hose to blast gates and machine inlets. Explore the full dust collection range for matching components.

What is the coupler used for?

It provides a quick, clamp-free connection between a 4" hose and the ports and fittings in your dust collection system, so you can reconfigure ductwork fast when moving tools.

Who makes this Quick Coupler?

It is made by Infinity Cutting Tools as part of their dust collection lineup. See more dust collection fittings from Infinity Tools.

Does it require any tools to install?

No tools are required. You simply slip the tapered end into a 4" port and thread the hose onto the opposite end by hand.

Is this coupler reusable when I rearrange my shop?

Yes. Because the hose threads on without clamps, you can disconnect and reconnect the coupler easily whenever you move a tool or change machines. Pair it with more hoses and accessories for a flexible setup.