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About WYNNsky
WYNNsky is a excellent brand that sells pneumatic accessories, including different type of air compressor fittings, Air hose, inflator gauge, air chuck, safety blow gun, tire gauge, air hose reel, etc. These products can be used in a range of applications in various industries, such as automotive, fleet maintenance and manufacturing.
WYNNsky Air Coupler & Plug
You Can Find Right Air Fittings Here
WYNNsky Air Coupler and Plug provide customers with various style air fittings. We will serve all customers with excellent quality and overall after-sales protection. And all style of coupler and plug have been uploaded to the Store sub-page -Air Fittings, please go to the store page to view the product details page if you want to different style of air fittings.
- Various style air coupler and plug are available.
- Any style air coupler or plug is available in a variety of threads size.
- Any style air coupler or plug is available in a variety of basic flow size.
- There are different pieces of the same item to choose.
M Type
T Type
L Type
ARO Type
Customer
2025-09-03 15:48:04
So I changed my compressor, hose, and air tools over to 3/8†fittings instead of 1/4†fittings to get more air flow with the packages from harbor freight but needed more tool side fittings and didn’t want to buy another kit. Since harbor freights packages are t-style fittings I had to search high and low for these ones. They’re pretty much the only ones I could find that didn’t come from a site that only sells them in a box of 25-50 pieces so I took a chance and couldn’t be happier. They fit the harbor freight kits perfectly and the price is good too. I highly recommend these if you got your 3/8†air fitting kit from harbor freight
CP
2025-08-26 17:14:39
They work as expected
tigerand
2025-08-21 10:29:47
This one is stainless, the other one I have is brass. Brass has the advantage of not sparking and sometimes you want to use air tools precisely because they don't spark, like if you've got fumes and whatnot. But I figured what the heck, switch it up and get this one. It is pretty good quality, the threads come pre-coated with thread sealer, which is nice. It was a decent price $7, and at least I didn't have to buy a 20-pack of them and then wonder how to get rid of the other 19.
CURT D.
2025-04-26 14:19:02
I liked the quality and value of this product. I used these adaptors for my 3/8" I.D. Air hose for my auto shop.
Customer
2025-04-10 10:09:16
Good fit on project
John Henry
2025-03-01 11:27:45
The media could not be loaded.
Victor
2025-01-25 16:56:33
These were the only ones I could find that would thread into 3/8 pipe but not step down to 1/4 inch connector. I have a 3/8 lead hose from my compressor and didn’t want to lose volume. These weren’t easy to find but I’m glad I did
Zero Limits
2024-12-21 12:18:17
These units are as described, size is correct, seems very heavy duty to me, has good locking on quick disconnect. Was able to modify my compressor with a highflow output manifold using these. Now my tool have full power. If your in the market to buy these do bear in mind, these are 3/8 in in size which will not fit most ait tool unless its calling for 3/8 and not the standard 1/4 inch barrel.
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