M-Struts - Mechanical "Gas Spring"

Tech Drawing - M-Struts - Mechanical "Gas Spring"

Order Monday-Thursday before 15:30 and Friday before 14:45 and we’ll dispatch your order the same day with expected delivery within 2-4 days. This applies to all stocked M-strut springs

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What is an M-strut spring?

An M-Strut resembles a conventional compression gas spring. From its appearance, you cannot tell the difference, but inside the gas and gaskets have been replaced by an ordinary wire compression spring.

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Shopping Options
Ø1 - Piston Rod diameter (mm)
Ø2 - Tube diameter (mm)
L1 - Stroke (mm) (+/- 2 mm)
L2 - Unloaded length between thread (mm) (+/- 3 mm)
F - Force (N)
G - Thread (M)

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View prices - Add to Cart Material Ø1
Piston Rod diameter (mm)
Tube diameter (mm)
Stroke (mm) (+/- 2 mm)
Unloaded length between thread (mm) (+/- 3 mm)
Force (N)
Thread (M)
SKU Stock Tech Drawing Read More 3D CAD
Painted black 6.00 15.00 51.00 156.00 27.00 6.00 LMS1505102 LMS1505102
Painted black 6.00 15.00 102.00 309.00 67.00 6.00 LMS1510205 LMS1510205
Painted black 6.00 15.00 152.00 461.00 67.00 6.00 LMS1515205 LMS1515205
Painted black 6.00 15.00 203.00 613.00 80.00 6.00 LMS1520306 LMS1520306
Painted black 6.00 15.00 254.00 766.00 93.00 6.00 LMS1525407 LMS1525407
Painted black 6.00 15.00 305.00 918.00 93.00 6.00 LMS1530507 LMS1530507
Painted black 8.00 18.00 51.00 166.00 40.00 6.00 LMS1805103 LMS1805103
Painted black 8.00 18.00 102.00 319.00 93.00 6.00 LMS1810207 LMS1810207
Painted black 8.00 18.00 152.00 471.00 120.00 6.00 LMS1815209 LMS1815209
Painted black 8.00 18.00 203.00 623.00 120.00 6.00 LMS1820309 LMS1820309

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Piston Rod: Steel, which is nitride-treated - resistant to corrosion.

Cylinder: Steel, painted black

Working temperature between -40 ºC and +200 ºC


Max force (Fn): +/- 15 %

Stroke (L1): +/- 3 mm

Total length between threads (L2): +/- 6 mm

Datasheet and 3D CAD

If you want a PDF datasheet or a 3D CAD drawing of the spring in .step, .iges or .sat format, these can be downloaded for free by clicking on the 3D CAD symbol next to the item number in the table.


The wire spring gives M-Struts a regular linear force curve - in contrast to the flatter force curve of conventional gas springs.

As M-Struts has no oil in the cylinder, it is not dampened in the last portion of its full extension.

M-strut in function

Fitting And Use

M-Struts is used instead of gas springs in structures subject to impacts and vibrations. M-Struts may be used to great advantage in dirty and dusty environments, where a gas spring would suffer leakage due to its surroundings.

M-Struts is a good choice in structures where its function is used only rarely - such as emergency exits. M-Struts can cope with being subjected to loads over a prolonged period without being moved.

M-Struts must not be used as a stop, but should be incorporated so that it is controlled and limited by the movement of the structure.

Our large range of End Fittings can also be used on M-Struts - and provide great flexibility in installation.

Service life of springs

The service life of a spring is generally very difficult to define. A large number of parameters come into play, and it is therefore impossible to define a service life.

Parameters with a significant influence on service life include: Installation, installation method, number of movements, vibrations, shocks, torsion, length of travel, non-axial travel, temperature, wear against other surfaces, environment of use, any cleaning agents, lateral impacts, etc.

Applying the maximum load to the spring or exceeding it will shorten its service life and may cause it to become permanently distorted.

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