What are SL-retainers?

SL-retainers made of spring band steel are retainers that prevent shafts, axles, and bolts with groove from being pulled axially out of their position.

What are the advantages of SL-retainers?

Simple assembly, reusability, play-compensating properties as well as reliability and stability in various applications. Compared to other retaining elements, they offer increased safety through a tab that encloses the bolt end, providing additional security against axial pull-out.

What materials are used for SL-retainers?

SL-retainers are made from high-quality spring band steel, which exhibits excellent spring force and durability.

For which shaft diameters are SL-retainers available?

SL-retainers are available for shaft diameters from 4 mm to 16 mm.

In which industries are SL-retainers used?

They are used, for example, in mechanical engineering, automotive engineering, materials handling, packaging technology, medical technology, and in general mechanics.

Do I need a special tool for assembly?

SL-retainers can be installed with or without special assembly tool, with the use of a tool being recommended.

What surface coating do SL-retainers have?

The surface coating is either electr. galvanised white or phosphated oiled.

How does the play-compensating property of SL-retainers ensure secure hold?

They compensate for tolerances and irregularities to prevent unwanted movements, thereby increasing the reliability and stability of the connection.

Are SL-retainers reusable?

Yes, they can be easily removed and reused, leading to cost savings.

What standards apply to SL-retainers?

They refer to standards such as DIN 6799, which defines dimensions and requirements for locking washers.

What should be considered when assembling SL-retainers?

The components should be clean, the correct size should be chosen, and excessive force should be avoided.

Why is the use of high-quality materials important for SL-retainers?

High-quality spring band steel ensures durability, high spring force, and resilience in demanding applications.

mbo Osswald is supplier of SL retainers, SL retainer, for bolts and shafts with groove, resp. groove. mbo delivers these retainers made of spring band steel.

SL-retainer 8 mbo 08 Steel electr. galvanised white

for bolts and shafts with groove; compensating for play

Please first choose whether you are a private or corporate customer!

We have unfortunately had to adapt the price of this item due to cost increases in our supply chain. We would be happy to work with you to find a solution to minimise the impact of this increase. Please get in touch with your contact person to discuss this:

The quantity currently authorised for the shop has been exceeded. However, we would be delighted to receive a request from you!

Unfortunately, there is a minimum order volume of [[minsurface]] units due to the coating used. Alternatively, you can receive the products uncoated (bright, lightly oiled) or in stainless steel (1.4305, 1.4301 or 1.4404) even as a one-off part:

Undercut steel (1.0715/1.0718) Stainless steel (1.4305) Stainless steel A2 (1.4301) Stainless steel A4 (1.4404)

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1 for shafts of 500 N/mm² tensile strength
2 dimensional variations according to DIN 2768, medium

Article no.

10 08 0000 0008/074

Identifier

SL-retainer

Size

8 mbo 08

Material group

Steel

Surface

electr. galvanised white

d1 h11

8,6

0,45

a (without tension)

3,5

a Permissible difference

±0,2

Max. axial thrust approx. N¹

2500

Mass (kg) per 100 pieces

0,109

d2 Permissible difference

h11

0,94

m Permissible difference

+0,1

n²

3,5

0,5

Material

Spring band steel, hardened and annealed to 1450 to 1600 N/mm² tensile strength