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Castor fitting types: a complete guide by Ruedas Alex

The proper selection of the fixings plays a vital role in the efficiency and safety of equipment and devices. At Ruedas Alex we recognize the crucial importance of this choice, which is why we offer a wide range of options designed to satisfy the most demanding needs of our customers.

In this guide, we will look at the different types of fittings available and their main features.

Fixing by screw plate

This fixing stands out for its suitability for applications with flat floor.

Mainly used in domestic castors, industrial transport and heavy load situations, these fixings have standardized dimensions, proportional to the diameter of the wheel. The most common measurements between holes are 80x60mm, suitable for wheel diameters from 80 to 100mm. From a diameter of 125 mm on, the most common are 105×80 mm. For heavier loads, larger measurements are used. This type of fixing guarantees exceptional stability and resistance.

Placas Atornillables

Bolt hole fitting

It consists of a central hole in the top bearing, where a screw ranging from M8 to M12 size is inserted. This attachment is easy to assemble and is suitable for applications where high load capacity is not required. Its versatility makes it popular in a variety of household applications.

Fijación Agujero Pasante

Steel plug-in stem fitting

The steel plug-in stem is inserted into a tube or borehole. It is commonly used for domestic wheels and in items such as coat racks, displays and television tables. It can adapt to different hole diameters.

Fijación Espiga de Acero con Taco

Plug-in pin fitting

Like the previous one, this pin is fitted directly into a tube or hole. A spring ring ensures that the caster will not fall out. This attachment is easy to assemble and is mainly used in office chairs.

Espiga Acero Lisa con Anilla

Fixing by socket (female) for scaffolding

Designed specifically for scaffolding applications, this fixing secures the scaffold tube into the wheel tube using a clamping screw. Provides a secure and stable hold, especially crucial in working environments at height.

Fijación Andamio Espiga Cazoleta

Fixing by spigot (male) for scaffolding

Another option for scaffolding, in this case the wheel tube is inserted into the scaffold tube and secured with a pin. This attachment provides a strong and reliable solution for construction and working at height applications.

Fijación Andamio Espiga Sólida

Threaded stem fitting

This type of stem is screwed onto transport equipment either by an internal thread to secure the wheel, or by a cylindrical hole and nut, making it a popular choice in domestic environments along with the top mounting plate.

Fijación Espiga Roscada

Fixing by plastic expander

Consisting of a screw, two conical elements and an extendable plastic part. When you tighten the screw, the plastic piece expands inside the tube, providing a secure, long-lasting hold. This fixing is commonly used in hospital and institutional applications.

Fijación Expansivo de Plástico

Edge/corner mount fitting

Specially designed for assembling modular shelves, this fixing is available in three different diameters (40, 60 and 80mm). Offers an efficient and versatile solution for shelving configurations.

Fijación Ángulo Ranurado

At Ruedas Alex we offer a wide variety of fixings designed to satisfy the most demanding needs of our customers: from industrial applications to domestic environments.

Please contact us to find out how we can help you find the perfect solution for your needs.

For further information, do not hesitate to visit our website where you will find all the products with detailed descriptions.

If you need more personalised attention or have any questions, we have our technical team that will gladly help you.

Telf: 974 035 345

We hope this guide has provided you with a comprehensive overview of the different types of fittings available on the market together with their applications.

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