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What Type of Grease Coupler Do I Need?

Posted on May 24, 2021 by Anthony Basconi

Your selection of grease fitting couplers is dependent upon the style of grease fitting it will connect to. As discussed in a previous blog post, there are almost as many styles of grease fitting couplers as there are grease fittings. Not to worry….by following the steps below, you will get it right every time!

Selecting the correct coupling is critical to ensuring a properly lubricated system.

First, identify the style of the grease fitting you need to connect to.
1. If it’s a standard fitting then a standard hydraulic coupler will do
2. If a button head grease fitting, then you must choose a button head coupler
3. Etc.
Next, confirm that the size of the coupler matches with the size of the grease fitting.
Last, identify how to access the grease fitting as this can influence the selection of a nozzle vs. a coupler.

What is a Grease Gun Coupler?

Posted on April 28, 2021 by Anthony Basconi

Grease gun couplers are the linking connection that secures a hydraulic grease gun hose or rigid extension to a grease fitting’s head allowing the gun to effectively dispense grease or lubricant through the grease fitting. They are a critical component to lubrication systems and come in a wide variety of shapes and sizes to accommodate the array of grease fitting styles they connect with. Most couplers are made from 12L14 steel with heat treated hardened steel jaws and zinc chromate plated bodies with aluminum couplers available as well.

Grease Fitting Sizes and Certifications

Posted on March 16, 2021 by Anthony Basconi

In our last blog post we boiled grease fitting sizes down to three critical dimensions (Thread Size, Overall Height, and Hex) for the purpose of gaining a fundamental understanding of grease fitting sizes and how to determine the right size grease fitting for your application. In this post we will expand on those fundamentals and dive a little deeper into the anatomy of a grease fitting because Murphy’s law inevitably comes into place when one finds themselves working in crammed spaces and it never hurts to be prepared!

NOTE: We will once again reference the ¼”-28 Taper Thread Grease Fittings as our example because these are the most commonly used grease fittings.

A figure similar to the one below was used in our last post to help demonstrate the 3 fundamental/primary dimensions used when determining the size of grease fitting you need for your application.

How Do I Size Grease Fittings?

Posted on February 26, 2021 by Anthony Basconi

There are a wide variety of grease fitting sizes and styles available to choose from, but determining the correct size for your needs can be boiled down to just critical 3 dimensions. A basic understanding of the ‘anatomy’ of a grease fitting will turn a grease fitting novice into an expert in no time.

NOTE: The figure below is used for reference and show ¼”-28 Taper Thread Grease Fittings in straight, 45°, and 90° orientation, which represents the most common type, and for all intents and purposes, the foundation of all other grease fitting styles.