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Coilhose Pneumatics CH15A Open Lock-On Chuck, 1/4-Inch FPT

3.7 3.7 out of 5 stars 50 ratings
$12.81
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Purchase options and add-ons

Size 1/4" NPT Female
Material Brass
Brand Coilhose Pneumatics
Color Brass
Item dimensions L x W x H 1 x 1 x 1.5 inches
Connector Type Coupling
Thread Size 0.25 inch
Exterior Finish Brass
Thread Type NPT
Item Weight 0.1 Pounds

About this item

  • Open-style lock-on chuck for use with pressure gauges or other applications where an external shutoff valve is present.
  • Brass construction
  • Lock-on design for a chuck that functions like a quick coupler
  • Maximum pressure rating of 300 psi
  • 1/4" female NPT connection

Product details

  • Is Discontinued By Manufacturer ‏ : ‎ No
  • Product Dimensions ‏ : ‎ 1 x 1 x 1.5 inches; 1.6 ounces
  • Item model number ‏ : ‎ CH15A-BAG
  • Date First Available ‏ : ‎ July 30, 2012
  • Manufacturer ‏ : ‎ Coilhose Pneumatics
  • ASIN ‏ : ‎ B008PZ7M26
  • Customer Reviews:
    3.7 3.7 out of 5 stars 50 ratings

Product Description

These Air Chucks are engineered and manufactured for heavy duty use and long service life. Chucks are general purpose inflating and gauging tools that can be used on just about every type of application.

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Customer reviews

3.7 out of 5 stars
3.7 out of 5
50 global ratings

Customers say

Customers like the performance and quality of the hose pipe fitting. For example, they mention it works well, is well made and has a nice heft. That said, opinions are mixed on leakage.

AI-generated from the text of customer reviews

14 customers mention11 positive3 negative

Customers like the performance of the hose pipe fitting. For example, they mention it works well, stays on well, and does not leak. Some say it works great as a tire deflator and for airing up tires. That said, some complain it's a little hard to unclip.

"...an unintended design feature that I discovered was that it works GREAT as a tire deflator...." Read more

"...washing out the brass filings and reassembling the chuck, it appears to work perfectly...." Read more

"...I finally gave up and found it here on AMAZON. it works as expected...I use it for bike tires and the tires on the garden carts, tractors, etc...." Read more

"Works very well, stays on well, does not leak. Great for use on new tire installations when trying to get the beads to seat...." Read more

5 customers mention4 positive1 negative

Customers like the quality of the hose pipe fitting. They say it is well made, has a nice heft, and the two teeth that grabs and hold the threads are made of steel. They also mention that it is very easy to insert and appears to bite and hold securely.

"..."could" be a good product, because it is a clean, simple, and robust design. BUT, the workmanship in a critical area is totally incompetent...." Read more

"...It has a nice heft because of the brass construction. Edited on 10/10/2016: I reached 100psi with a bicycle air pump!..." Read more

"...It is brass as shown in the ad photo and it is well made except for the burr." Read more

"...It is the best quick chuck design I can find. It is well made and the two teeth that grabs and hold the threads of the valve stem are made of steel...." Read more

9 customers mention4 positive5 negative

Customers have mixed opinions about the leakage of the hose pipe fitting. Some mention that it has a leak-free seal and a tight seal, while others say that it leaks and won't seal.

"Constantly leaks air unless you force it by hand. Almost as if the pin in the middle is not long enough." Read more

"...Mine slides on valve stems easily, holds 100 PSIG of air pressure with no leaks, and disengages easily...." Read more

"If you simply pop it on, as it is supposed to work, the thing leaks...." Read more

"Works very well, stays on well, does not leak. Great for use on new tire installations when trying to get the beads to seat...." Read more

Top reviews from the United States

Breaker19
5.0 out of 5 stars Best Tire Deflator Tool!
Reviewed in the United States on June 7, 2015
Verified Purchase
Works good for airing up tires. It's a little hard to unclip but nothing major. I personally prefer the single-clip-on style as opposed to this full lock-on.

However, an unintended design feature that I discovered was that it works GREAT as a tire deflator. Just lock it on your valve stem (with no compressor connected, of course) and walk away. Takes 3 minutes to air down a 35" tire from 50PSI to 15PSI. Buy two and you can hit the trails 6 minutes after driving through the gate, and feel good that you only spent half as much as your buddy's fancy tire deflators that sometimes get to the right pressure.
One person found this helpful
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E. J. Stewart
1.0 out of 5 stars Fair Design, Poor Workmanship
Reviewed in the United States on January 31, 2014
Verified Purchase
This device "could" be a good product, because it is a clean, simple, and robust design. BUT, the workmanship in a critical area is totally incompetent. The reason it binds on the valve threads and damages them is that the machining burrs on the slots for the locking components are not removed. I purchased this chuck for a project I'm doing with our elementary school grandsons, and immediately found the same problems another reviewer identified. I processed a return, explaining it had manufacturing defects, and Amazon told me it was not necessary to return it, and my account would be credited. Now THAT'S GREAT CUSTOMER SERVICE!! After that I took another look at the chuck under strong light, and decided to disassemble it to see what is inside. There I found the problem, and I took a small file and removed the burrs. It took a bit of time to clean up the areas where the locking parts fit, but they did clean up. After washing out the brass filings and reassembling the chuck, it appears to work perfectly. We haven't applied pressure to it yet, and won't be doing so for another week or so. If it can hold 100 psi of air pressure, then I'll consider it fixed and a good design. Perhaps will update this review at that time.

UPDATE April 22, 2014 in response to another user's question: Yes, Greg. Disassemble the chuck by retracting the locking sleeve and inserting a thin screwdriver tip between the ends of the snap ring and remove the snap ring. Then remove the locking sleeve and the spring, and you'll see the tiny steel "jaws". Remove the jaws and inspect the two "windows" or slots in the main body. They likely have machining burrs on both sides. Carefully remove the burrs with a very fine metal file. I used a tiny jewelers' type of file that was flat on one side and oval on the other with a sharp pointed end. Do not change the shape or size of the windows. Wash off any filing grit and reassemble the jaws, the spring, the locking sleeve, and the snap ring. Now your chuck should work just fine. Mine slides on valve stems easily, holds 100 PSIG of air pressure with no leaks, and disengages easily. As I said in my initial review, it's a pretty good design, but it's a disgrace that the machining burrs get left on. My chuck would not begin to slide on valve stems in its as-received condition. I hope this helps. Good luck.
20 people found this helpful
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M J M
4.0 out of 5 stars Take time read specs
Reviewed in the United States on January 18, 2018
Verified Purchase
Bought the wrong one air blows through all the time.non stop. I put a little epoxy in orphis works great
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Struggling
5.0 out of 5 stars Dimensions and cursory look.
Reviewed in the United States on November 14, 2015
Verified Purchase
This works. I got my tires up to 100 psi. I found that if you have a problem inflating a tire it might be because there is sealant or crud in the valve stem core. Or the air line is pulling to one side on the tire stem. I just line up the air-line, remove sideways tension and make sure this chuck fits square onto the tire valve stem. Item description: These chucks are about as big around as a nickel and as tall as a flat stack of 20 nickels. It has a nice heft because of the brass construction. Edited on 10/10/2016: I reached 100psi with a bicycle air pump! I just added a star because if it did it once it can do it again.
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Lee Alsing
5.0 out of 5 stars glad i could find this online
Reviewed in the United States on June 10, 2014
Verified Purchase
I spent an entire day looking for one locally. auto parts stores didn't even know what I was looking for. I finally gave up and found it here on AMAZON. it works as expected...I use it for bike tires and the tires on the garden carts, tractors, etc. my old one had sat so long it was frozen solid. i'm glad to have my tire gauge working again.
One person found this helpful
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22kane
3.0 out of 5 stars Seating Issue
Reviewed in the United States on February 8, 2016
Verified Purchase
Doesn't work too well on my jeeps tire valve stems, because I can't get it to seat fully without pressing down and holding on to it. Valve stem only has about a 3/8 inch metal stem with rubber grommet larger then for attaching chuck. Going to try using a valve stem extension, which hopefully should solve seating issue. Outside of that, it does work pretty good.
One person found this helpful
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N.C
2.0 out of 5 stars Constantly leaks air unless you force it by hand. ...
Reviewed in the United States on July 13, 2016
Verified Purchase
Constantly leaks air unless you force it by hand. Almost as if the pin in the middle is not long enough.
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Ed S.
5.0 out of 5 stars Stays On!
Reviewed in the United States on December 27, 2016
Verified Purchase
Works very well, stays on well, does not leak. Great for use on new tire installations when trying to get the beads to seat. Will put air into the tire with or without a valve core installed.
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Top reviews from other countries

Toolman
5.0 out of 5 stars Second one of these i have bought they work awesome.
Reviewed in Canada on August 8, 2023
Verified Purchase
Second one of these i have bought they work awesome. I have had the other one for about 4 years it works A1. So when i needed one for my other tire inflator it was a no brainer what one to buy.
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Anthony
5.0 out of 5 stars Locks on - Stays on
Reviewed in Canada on April 13, 2018
Verified Purchase
I was looking for a replacement chuck for my tire machine. It had a euro style lock on chuck that
wasn't doing its job. This one is really good and doesn't let go so you have an extra hand to slap
that tire into compliance!
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Brad Fitzsimmons
5.0 out of 5 stars Five Stars
Reviewed in Canada on December 13, 2017
Verified Purchase
they worked like a charm
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Dillan
1.0 out of 5 stars See my review for the closed version (model CH15)
Reviewed in Canada on December 17, 2016
Verified Purchase
See my review for the closed version (model CH15). In a nutshell, these chicks don't work reliably for us.
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