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9/16-18 - 7/8-14 - Plugs, Fixed & Swivel Caps

At Custom Fittings we manufacture and stock 14 different types of plugs, fixed and swivel caps with a choice of BSP’T, BSP’P, JIC and NPT threads and both male and female connections. We offer over 3,000 stocklines in total and can ship our industrial fittings to over 50 countries around the world quickly and efficiently, thanks to the excellent transport links situated around our West Yorkshire manufacturing facility.


Our extensive range and commitment to the highest possible quality standards are just two of the reasons that leading companies across the oil and gas, nuclear, automotive and transportation industries choose our products. We started our family business from a small office - 30 years later we now have 75 employees and operate from our very own, state of the art manufacturing and warehousing facility.

With international shipping available and same day despatch guaranteed, you can have our plugs, fixed and swivel caps and other industrial fittings in your hands in no time, with urgent orders for stock parts despatched within the hour.

Our plugs, fixed and swivel caps are CNC lathe-turned and made from 316 Stainless Steel in our ISO 9001 certified factory in West Yorkshire, in keeping with our Quality Assurance Policy as detailed in our ISO 9001 certification. Stainless steel offers improved corrosion, fire and heat resistance and teamed with its hygienic qualities and aesthetic appearance represents the best value over a lifetime. We offer both off-the-shelf and bespoke products and carry high stock levels of raw materials so all parts can be rapidly manufactured specifically for your needs out of other high nickel alloys.

Choose us for our high quality products, professional, family-oriented customer service and commitment to British manufacturing. We look forward to your custom.

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Customer Reviews

"Custom Fittings are a 1st tier supplier to GS Hydro for stainless steel high and low pressure hydraulic components. For over 20 years Custom Fittings have been our preferred supplier due to the high ..." Chris Hargreaves, Managing Director - GS Hydro UK

We have been using Custom Fittings for many years now, they offer fantastic customer service as well as top of the range products. We could not recommend them more highly and will continue to use them..." James Tidy, Director - Tidyco Ltd

"Custom Fittings have been the number one supplier for stainless steel fittings to Fluid Power Services for over 25 years now.In the early years our requirements were for standard off the shelf parts ..." Anthony Smith, Sales Director - Fluid Power Services Ltd

Custom Fittings provide us with a fast, efficient supply of top quality Stainless Steel fittings and valuable assistance with problem solving and special order parts." Colin Leonard, British Aerospace Engineer

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