The most common standard grease fitting size is 1/4″‑28 SAE‑LT and is often used in automotive applications. They can also be found in agricultural environments as well as other various standard duty applications. For heavy duty applications, larger 1/8″‑27 PTF zerk fittings can be found.

Is there a difference between metric and standard grease fittings?

there IS a difference between metric and american grease fittings. see photo below. metric is on the left, american on right. you can see one is slightly longer then the other which is fatter and the angle of the curve coming in from the tip is different.

Are all grease guns the same?

A grease gun may come with the standard connection adapter such as a hydraulic coupler, but there are several variations depending on the application. The standard hydraulic coupler is the most commonly used and most applicable. A 90-degree adapter is ideal for fittings in confined areas that require a 90-degree bend.

Are grease fittings metric?

Metric Grease Fittings are available in both regular and stainless steel. Metric Grease Fittings are also referred to as Metric Zerk Fittings, Metric Lubrication Fittings, Metric Hydraulic Fittings, and Metric Zerks.

Are there different types of grease fittings?

There are three major thread types for grease fittings: metric, taper or parallel, and unified. M5, M6, M7, M8, and M10 are common metric threads. British standard pipe (BSP), pipe thread fine (PTF), and national pipe thread fine (NPTF) fittings use tapered or parallel threads.

Are John Deere grease fittings standard or metric?

21 assorted metric grease fittings in nine of the most popular styles and sizes are contained in an easy-to-handle, sturdy plastic box with six separately labeled and illustrated compartments. … John Deere grease fittings are manufactured to the most stringent quality standards and are heat-treated to SAE specifications.

How do you measure a grease ZERK?

The best way to determine thread pitch of a grease fitting is to compare the threads to something with a known thread. A thread pitch gauge is the ideal tool for this but you can also compare the grease fitting threads to a known bolt thread, pipe thread, or another grease fitting.

How do you size a grease fitting?

1. Measure Hex size (dimension X) and uninstall the grease fitting using the appropriately sized wrench, socket, or grease fitting tool.
2. Measure the Thread Length (dimension B)
3. Measure the Overall Height (dimension A)
4. Note the angle orientation.

What size grease fitting do I need?

The most common standard grease fitting size is 1/4″‑28 SAE‑LT and is often used in automotive applications. They can also be found in agricultural environments as well as other various standard duty applications. For heavy duty applications, larger 1/8″‑27 PTF zerk fittings can be found.

What size drill and tap for a grease fitting?

Fitting Thread SizeTap Drill Selection For Standard Thread FittingsDrill Size Selection for Spin Drive Fittings1/4″-28#3 (for soft metal use #5)”A” – .234″ Dia.5/16″-329/32″ (for soft metal use “J”)-1/8″ Pipe11/32″ (for soft metal use “R”)3/8 – .375″ Dia.*1/4″ Pipe7/16″-

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Do grease guns go bad?

Re: Frustrated with Grease Guns If you buy a good one it will last a life time. A new whip hose and tip every once in a while. The Lincoln I have is at least 35 years old.

How do you know when a grease fitting is full?

If this is the case, the best tactic is to “feel” the grease into the bearing cavity until slight resistance or back pressure is felt against the trigger, or lever, signaling the bearing cavity is now full.

Are pistols and revolvers the same thing?

What is the difference between a pistol and a revolver? Both are handguns. A revolver contains a revolving cylinder in which bullets are loaded. … The ATF defines a pistol as any handgun that does not contain its ammunition in a revolving cylinder.

What thread pitch are Zerk fittings?

1/4″-28 Taper Thread Grease Fittings, 1/4″-28 Zerk Fittings, Taper Thread Grease Fitting.

What does ZERK mean?

zerk in American English (zɜrk ) noun. a small metal fitting through which grease can be inserted into a mechanical joint that requires periodic lubrication.

Why is it called a grease ZERK?

The Zerk design, named after Oscar Zerk, used a fitting much smaller than the Alemite pin-type and did not lock the hose coupler or hand gun and fitting together. Instead, the seal between them was maintained by the pressure of a pushing action when the operator applied the coupler to the fitting.

What is a button head grease fitting?

Button head grease fittings are a heavier duty fitting distinguished by its flat, low profile appearance. They are able to handle large grease volume due to their high flow rate and sturdy construction. Button head fittings feature a smooth working surface and allow for easier coupler attachment and removal.

What is a hydraulic type grease fitting?

Hydraulic Couplers, commonly referred to as grease gun couplers or grease couplers, are a grease gun attachment that allows the gun to connect securely to a zerk fitting. … 90°, 180°, and 360° swivel grease couplers provide easy access to most grease zerk fittings.

What size is a number 3 drill bit?

To Tap This Size Screw Or Bolt:Use This Drill Bit:(Closest Fractional:)1/4-28 NF#37/32″1/4-32 NEF7/32″7/32″1/4-40 NS#1-7mm-1.00mm6.1mm15/64″

What is a #3 drill bit?

Description. #3 HSS Taper Length Drill Bit. Taper length drills are designed for general purpose drilling where a length longer than jobber length is required.

When should I stop greasing?

1. Stop greasing if you note back pressure that is not normal.
2. Check to see that the exhaust ports on a machine are free from debris, including hard crust.
3. Slowly pump the lubricant into a machine’s bearings for several seconds.

Can you over grease a bearing?

When it comes to regreasing bearings, more is not always the better option and actually can be a costly mistake. … Too much grease volume (overgreasing) in a bearing cavity will cause the rotating bearing elements to begin churning the grease, pushing it out of the way, resulting in energy loss and rising temperatures.

How often should you grease your ball joints?

Ball joints allow you to steer smoothly and are constantly moving so throwing a little lubrication their way is a small favor for the big job that they do every day. The rule of thumb is to grease these parts every, or every other, oil change which might seem excessive, but again; little thanks, big job.

Why is a revolver better than a pistol?

Both revolvers and pistols have their advantages and disadvantages. Revolvers are prized for their mechanical reliability and simplicity of use. Pistols, on the other hand, are often capable of holding much more ammo and facilitating much faster reloading with their detachable magazines. …

Is a 9mm considered a pistol?

Let’s keep it simple and by 9mm you mean 9mm Luger. My little Sig P938 is tiny compared to a standard size Colt 1911 chambered in the same 9mm Luger cartridge., so one is big, the other very small, take your pick. A 9 mm pistol is considered to be a medium size pistol.

Can you call a revolver a pistol?

In modern language no a Revolver is not a pistol. Pistol as currently defined refers to a handgun that has a single barrel, is muzzle loaded, or feeds from a magazine whether removable or not. Revolver specifically refers to the cylinder of a firearm that rotates to bring a shell in line with the barrel to be fired.

Is grease Zerks pipe threaded?

SAE Products 1/8″ pipe thread grease fittings are commonly referred to as 1/8″ pipe thread zerk fittings. Below is an image and drawing of SAE Products H-200 1/8″ PTF grease fitting.

How do you fix a clogged grease fitting?

Heat up clogged grease fittings and pins with a standard hair dryer or a heat gun on the low setting. Attach the grease gun and use it immediately; the new grease will push the now-softened older grease out of the way and unclog the fitting.

What is SAE lt thread?

SAE-LT threads are a common taper thread which are used primarily on grease fittings. This thread form is a modification of the standard 1/4″-28 UNF thread and is intended to thread into a parallel 1/4″-28 UNF-3B hole with a maximum minor diameter of 0.215″ if a 75% minimum thread height is to be maintained.