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Nipples, Sockets and Reducers

See our extensive variety of nipple, socket and reducer hose fittings and connectors available in a range of BSP and metric thread sizes.

  • REF #1344

    Parallel / Taper Equal Connector

    Parallel / Taper Equal Connector

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  • REF #1342

    BSPT Equal Connector

    BSPT Equal Connector

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    £2.16 EXC VAT

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  • REF #1345

    BSPT x NPT Equal Connector

    BSPT x NPT Equal Connector

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  • REF #1363

    Male / Female Reducer

    Male / Female Reducer

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  • REF #1352

    Male 3 Piece Nipple - Breakable Joint

    Male 3 Piece Nipple - Breakable Joint

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  • REF #1374

    Adaptor Socket - BSPP Female Thread

    Adaptor Socket - BSPP Female Thread

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  • REF #1351

    Barrel Nipple

    Barrel Nipple

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  • REF #1357

    M/F Equal Connector

    M/F Equal Connector

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  • REF #1378

    Adaptor Socket - Female Metric Thread

    Adaptor Socket - Female Metric Thread

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  • REF #4038

    Male / Female Reducer - Nickel Plated

    Male / Female Reducer - Nickel Plated

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    £2.12 EXC VAT

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  • REF #1358

    M/F Equal Connector - Nickel Plated

    M/F Equal Connector - Nickel Plated

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    £0.92 EXC VAT

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  • REF #1380

    Reducing Socket - BSPP Female Thread

    Reducing Socket - BSPP Female Thread

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  • REF #1381

    Reducing Socket - BSPP Female Thread - Nickel Plated

    Reducing Socket - BSPP Female Thread - Nickel Plated

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  • REF #1359

    Equal Swivel Connector - 60deg

    Equal Swivel Connector - 60deg

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  • REF #1361

    Extended Male / Female Adaptor

    Extended Male / Female Adaptor

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  • REF #4037

    BSPT Equal Connector - Nickel Plated

    BSPT Equal Connector - Nickel Plated

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Pipe nipples, sockets and reducers

Nipples, sockets and reducers are the connecting tissue of any threaded pipework system. Each one does a specific job, and using the right type in the right place keeps a system tight and serviceable.

A nipple is a short length of pipe, threaded at both ends, used to join two female-threaded fittings. Hex nipples have a flat across the middle for a spanner — useful in tight spaces. Close nipples are threaded their full length and used where space is at a premium.

A socket connects two male-threaded pipe ends, providing a female thread on each side. Reducing sockets step down from one thread size to another, which is the most common use case on systems where port sizes don't match line sizes.

Reducers perform a similar function but are typically barrel-shaped with different thread sizes at each end, allowing a direct transition between two sizes inline.

All fittings are available in brass as standard, with steel options across selected sizes. Thread forms cover BSP and metric.

Frequently Asked Questions

What is a hex nipple?

A hex nipple is a short externally-threaded pipe fitting with a hexagonal section in the middle that allows a spanner to grip it. It is used to connect two female-threaded fittings and is particularly useful in confined spaces where a longer fitting would not fit.

What does a reducing socket do?

A reducing socket has two different female thread sizes — one at each end — allowing you to connect a larger-diameter male thread to a smaller one. They are the straightforward solution when port or fitting sizes don't match along a run of pipework.

What materials are your nipples and sockets available in?

Brass is standard and suits most hydraulic, pneumatic and general pipework applications. Steel options are available across selected sizes for higher-pressure or structural applications.

Do you deliver pipe fittings near me?

Yes. We deliver across England and Wales with free delivery on orders over £200. Individual fittings are fine — there are no minimum order quantities.