Types And Benefit Of Lubrication Fittings

different types of lubrication fittings_ Straight, Right-angle, and Button head


Lubrication fittings are a small but mighty component that play a critical role in ensuring the smooth operation of various types of machinery. In fact, they are an essential part of any centralized lubrication system, helping to keep equipment running efficiently and reducing wear and tear on moving parts. But with so many different types of lubrication fittings available on the market, it can be challenging to know which one is right for your needs. In this blog post, we’ll explore the different types of lubrication fittings and their benefits, so you can find the perfect fit for your application

What Is The Lubrication Fitting?

The lubrication fitting connects to the centralized lubrication system and allows for precise delivery of oil or grease to lub points,that is usually movement bearings or the pins. Because the lub points has different types,the popular size is Pt1/8 and Pt 1/4 and M8-M12.The pipe is from 3mm,4mm,6mm,8mm to 10mm,in some application,we will choice the high pressure hose,for example,O.D.8.6mm and I.D.4mm Or.O.D.11mm and I.D.6mm hose.In sometime,we have the space stricktly,we will choice the elbow or the straight or 45 degree fittings.The lubrication fitting is used to connect the hose or the tube to the central lubrication system.

Why The Lubrication Fitting Is Necessary For The Centralized Lubrication System?

Without proper maintenance and regular inspection of these fittings, they can become blocked with dirt or grime over time which may lead to decreased efficiency in your machinery’s performance. Therefore, ensuring their cleanliness is vital for long-term durability and effectiveness.

Despite being small components within a larger mechanism; Lubrication Fittings play an essential role in keeping machines running smoothly by distributing necessary oils/grease accurately over their various parts requiring them.

What’s Kind Of The Equipments Need The Lubrication Fitting And Where Is The Application?

cnc machinery
excavator png
heavy duty equipment

Lubrication fittings are used in a variety of equipment, and it’s important to know where to apply them. One common application is in the automotive industry, where lubrication fittings are used on vehicles such as cars, trucks, and buses. These fittings help ensure that critical components within the engine stay properly lubricated.

Another area where lubrication fittings are commonly utilized is in the manufacturing Industrial. Machineries such as conveyor rollers, CNC centers,milling, and lathes all require regular maintenance to keep them running smoothly. By applying lubricants through a centralized system using these fittings, operators can save time and reduce downtime related to manual maintenance.
Lubrication fittings also play an important role in agricultural machineries such as tractors and other farm equipment. In this case, they help prevent premature wear on bearings and other vital components by providing consistent lubrication throughout the life of the machine.

In addition to these areas of use, there are countless other applications for which lubrication fitting systems may be useful. Whether you’re working with heavy industrial machinery or simply need a way to keep your household appliances running smoothly over time, having access to well-designed lubricant delivery systems can make all the difference in terms of longevity and reliability.

Lubrication Fitting Component

At Isohitech Lubrication, we offer a wide range of high-quality lubrication fittings to meet your needs. Our product line includes various types of fittings.

Oil Lubrication System Used

The oil lubrication used the fittings is usually made from brass and common size is for 4mm or 6mm and thread is M8,M10,Pt1/8 and Pt 1/4.
compression bushing

Compression Bushing

straight coupling

Straight Fitting

elbow coupling

Elbow Fiting


Quick Straight

elbow quick-plug

Quick Elbow

3 way push fitting

Quick Coupling

swing couplings

Swing Couplings

2 way female connector

Connection(Two Way)

3 ways female connectors

connection(3 way)

Grease Lubrication Used Lubrication Used

The grease lubrication is usually made of steel with zinc-plate in the final.The hose end is usually suitable for 8.6mm or 11mm hose.

ssv plug and check valve

Check Valve

quick plug coupling

Quick Check Valve

This video is show you how to assemble the hose end and stud.
All of our products are made by ourselves. With our commitment to customer satisfaction, you can trust that our products will exceed your expectations for quality and reliability.
We don’t have MOQ requirement and provide the OEM service.

Manifold Distributor

The lubricant distributor is a key component in a centralized lubrication system, used to evenly distribute lubricants (oil or grease) to various parts of machinery. These distributors come in various types and configurations, each suited to specific industrial needs and applications.

Find The Right Lubrication Fittings For You Need

When it comes to finding the right lubrication fittings for your needs, there are a few things to consider. First and foremost, you need to determine what type of fitting is required for your equipment. There are various types of lubrication fittings available in the market such as button head fittings,quick-plug fittings, hydraulic fittings, and more. Once you have determined which type of fitting you need, it’s important to ensure that it meets the pressure requirements of your system. Different systems require different pressure ratings and failure to match them can result in leaks or even equipment damage. Another factor that should be considered when selecting lubrication fittings is material compatibility. The fitting material must be compatible with both the lubricant being used and the material composition of the equipment itself. Cost-effectiveness is also an important consideration when choosing lubrication fittings. While high-end options may offer additional features or durability benefits, they may not always provide value for money. Ultimately, by taking into account factors such as fitting type requirements, pressure ratings compatibility with materials used on your machines and overall cost-effectiveness will help ensure that you find the right lubrication fitting solution for your specific needs.
Contact us today or visit our website to learn more about how our lubrication fitting product range can benefit your equipment!

Frequently Asked Questions

Are there different types of grease fittings?

Yes, there are various types of grease fittings, including hydraulic, button head, flush, and pressure relief fittings, each designed for specific applications and machinery requirements.

What is a lubrication fitting?

A lubrication fitting is a component used in centralized lubrication systems to deliver lubricants to specific points on machinery, reducing friction and wear on moving parts.

What are the names of grease fittings?

Grease fittings are also known as grease nipples, lubrication fittings, or Zerk fittings, named after the inventor Oscar Zerk.

What are the benefits of lubricants?

Lubricants reduce friction, wear, and heat generation between moving parts, extend machinery lifespan, improve efficiency, and prevent rust and corrosion.

What is the difference between SAE and metric grease fittings?

SAE grease fittings follow the Society of Automotive Engineers standards and are measured in inches, while metric grease fittings are measured in millimeters.

Are all grease fittings the same?

No, grease fittings come in different types, sizes, and angles to suit various applications, machinery, and lubrication requirements.

What does NPT mean in grease fitting?

NPT stands for National Pipe Thread, a standard used for tapered threads on fittings and pipes used in North America.

What are the different size grease fittings?

Grease fittings come in various sizes, including 1/8-inch, 1/4-inch, and metric sizes like M6 and M8, to fit different machinery and equipment.

What is Type 2 grease?

Type 2 grease is a classification of grease thickness, indicating a standard consistency suitable for general-purpose applications.

What is the difference between 1/4 and 1/8 grease fittings?

The difference lies in their size; 1/4 grease fittings are larger than 1/8 fittings, and each is used for specific applications based on machinery requirements.

What are the different types of coupling grease?

Coupling grease types include general-purpose, high-temperature, and synthetic greases, each offering unique properties for various coupling applications.

Are there different types of grease nipples?

Yes, grease nipples come in various types, including straight, angled, and flush, each designed for specific lubrication and machinery needs.

What is a flush type grease fitting?

A flush type grease fitting is designed to be mounted flush against the surface of the machinery, commonly used where protruding fittings could be damaged.

What is the difference between MP grease and EP grease?

MP (Multi-Purpose) grease is suitable for various applications, while EP (Extreme Pressure) grease contains additives for enhanced performance under high pressure and temperature conditions.

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