Lubrication Fittings
Lubrication Fittings for Centralized Lubrication Systems – Precise Connections for Every Lubrication Line
Small components with big impact
Lubrication fittings are essential connectors in industrial lubrication technology. They ensure lubrication lines are joined securely and leak-tight—whether in machines, vehicles, or complex centralized lubrication systems.
Imagine this: a production line comes to a standstill because a line is leaking. The lubricant no longer reaches the right spot. Bearings run dry, components overheat, the machine fails. With the right lubrication fittings, the connection would have stayed reliably tight. That’s exactly why we offer high-quality lubrication fittings at Sinntec—made of brass, steel, and stainless steel. For safe, durable, and precise line connections.
Thanks to their robust design and precise manufacturing, our lubrication fittings form the backbone of a reliable lubrication circuit. They ensure even lubricant distribution, minimize maintenance effort, and protect your machinery from downtime.
How do lubrication fittings work in lubrication engineering?
In centralized lubrication systems, lubrication fittings connect lines, distributors, pumps, and lubrication points into a closed system. They route grease or oil to each point of use without loss—even under high pressure or vibration.
Function & design
Lubrication fittings consist of several precisely matched components: nut, cutting ring or clamping sleeve, and the threaded body. This combination provides a permanently leak-tight connection, even with repeated assembly.
Depending on the version, they feature metric, imperial, or SAE threads and are available in various configurations—straight, angled, or T-shaped. The lubrication fittings can be installed quickly and integrated seamlessly into existing systems. High-grade materials such as brass, zinc-plated steel, or stainless steel provide corrosion protection and high mechanical stability.
In addition to classic use in single-line and progressive systems, lubrication fittings are also used in automatic centralized lubrication systems. Here they reliably connect lubrication lines with pumps, distributors, and metering units, ensuring uniform lubricant distribution—independent of shifts or temperature conditions.
Benefits of lubrication fittings at a glance
- Reliable leak-tightness: Secure connections even at high pressures.
- Long service life: High-quality materials resist corrosion and wear.
- Universal compatibility: Suitable for various tube and hose systems.
- Easy assembly: Standardized threads enable fast replacement.
- Cost efficiency: Minimal maintenance with maximum operational reliability.
Our lubrication fittings are precisely manufactured, tested, and designed for continuous industrial operation. They prevent leaks, ensure consistent lubricant supply, and make a decisive contribution to the operational safety of your equipment.
Typical applications for lubrication fittings
Lubrication fittings are used wherever lubricants must be transported in a controlled manner.
This includes:
- Mechanical engineering and production equipment
- Agricultural and construction machinery
- Automotive engineering and commercial vehicles
- Conveying technology and industrial plants
- Hydraulic and pneumatic systems
They play a particularly central role in automatic centralized lubrication systems: connecting pumps with metering units, lines, and lubrication points. Their leak-tightness and dimensional stability ensure the lubricant arrives precisely—without loss or pressure drop.
Even in demanding environments—such as high temperatures, vibration, or aggressive media—stainless-steel lubrication fittings prove their durability. They are preferred in the food, energy, and recycling industries because they are hygienic, robust, and long-lasting.
Designs and variants
Not every application has the same requirements, which is why lubrication fittings come in many versions:
- Straight lubrication fittings: Standard option for connecting two lines on one axis.
- Angled lubrication fittings (45° / 90°): For tight or hard-to-reach areas.
- T and cross lubrication fittings: For branching or distributing lubricant flows.
- Bulkhead and screw-in lubrication fittings: For secure mounting on housings or plates.
Each design has its specific purpose. Key factors include lubricant type, pressure conditions, and the line system. Our experts will help you find the optimal solution for your application.
Quality and material selection
The lubrication fittings in our shop meet international standards. They are precisely manufactured, pressure-resistant, and compatible with common lines, pumps, and lubrication distributors.
Depending on the application, we recommend:
- Brass: Corrosion-resistant and ideal for standard applications.
- Zinc-plated steel: Especially robust and pressure-resistant under mechanical load.
- Stainless steel: Rust-free, hygienic, and resilient—ideal for humid or chemically demanding environments.
All lubrication fittings are machined with precision and individually tested. This guarantees maximum leak-tightness and longevity. Even with fluctuating temperatures or continuous vibration, the connection remains stable—an essential advantage in continuous industrial use.
Lubrication fittings at Sinntec – your partner for centralized lubrication
Lubrication fittings are the backbone of any reliable lubrication system. They combine precision with stability and keep your machines running smoothly.
At Sinntec, you’ll find a wide selection of lubrication fittings made of brass, steel, and stainless steel—in straight, angled, and specialized configurations. Our range includes over 300 variants, available for immediate delivery and suitable for most line systems.
Our experienced team supports you in selection, offers technical consulting, and delivers reliably worldwide. If you value trouble-free operation, long service life, and maximum efficiency, high-quality lubrication fittings are the best choice.
Discover our range now and order your lubrication fittings online - fast, precise, and industrial-grade.