Delivering Fluid Sealing Solutions Since 1972

Unrivalled Technical Support

Over 40 years of engineering knowledge and development

35,000 Stock Lines

The UK’s largest stockist and distributor of fluid sealing products

International Distribution

Over 5,000 customers globally depend on our services

Total service guaranteed

Quality accredited inspection process

The UK’s Leading Independent Stockist, Manufacturer and Distributor of Fluid Sealing Products and Services

Founded in 1972, M Barnwell Services is a family business and prides itself on providing expert industry knowledge, technical expertise, products and services to over 5000 customers globally. They include established partnerships with the Worlds leading OEMs in Automotive, Agriculture, Construction and Compressor Pump and Valve. Our range of fluid sealing products include O Rings, Oil Seals, Rotary Shaft Seals, Hydraulic Seals, Hygienic (FDA) SealsPneumatic Seals, Gaskets, Fasteners, Sealing Kits, Shaft Repair KitsSpecial Rubber Mouldings, D Rings and many more.

We aim to work in partnership with you to reduce your supplier base, inventory and long-term costs. Applying our unique product knowledge to your specific needs, we will always offer the right sealing solution for your industry and application.

We have a selection of fluid sealing products available to buy online – Visit Our Shop

About Us Case Studies



ISO3601-5: Suitability of elastomeric materials for industrial applications ISO3601-5 specifies the appropriateness of various rubber […]

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ISO3601-4: Anti-extrusion rings (back-up rings) ISO3601-4 defines tolerances and dimensions for five types of back-up […]

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British Touring Car Championship Competition

Bondloc Special Offers – Prize Draw Competition We have teamed up with Ciceley Motorsport sponsor […]

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o ring lubrication
Importance of O Ring Lubrication

Why is O Ring lubrication important? Why lubricate? All kinds of lubrication, including oils, greases, […]

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Bondloc Special Offers

Buy any Bondloc special offer or spend over £100 and you will be entered into a prize draw!

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Twitter News Feed

New generation Perfluoroelastomer (FFKM) material - Kaflon O Rings. Available now... #orings