Draadstang

M10 Threaded Rod for Lamps: Sizes, Fitting and Repair Guide

If a lamp wobbles, a pendant sags or a chandelier arm will not stay put, the fix is often a small hollow tube that most people never see: the M10 threaded rod. It holds the lamp holder in place, carries the cable and lets you build, repair or change a light with a few cheap parts. This guide explains what an M10 threaded rod is, how to choose the right length, nut and washer, and how to fit one safely. Every product mentioned is in the LEDSone threaded rod collection, delivered from Coventry across the UK.

What is an M10 threaded rod?

An M10 threaded rod, often sold as a lamp pipe nipple, is a short metal tube with an external thread and a hollow centre. "M10" means the thread is 10mm across. The pitch is 1mm, which is the fine electrical thread used on most lamp holders and lighting parts. Every rod in our collection follows this M10 x 1mm specification, so the pieces mix and match.

Two features make it so useful. First, it is hollow, so the lamp cable runs straight through the middle to the lamp holder. Second, it is threaded along its whole length, so a nut can lock it at any point rather than only at the ends. That is why it sits quietly inside table lamps, pendant lights, chandelier arms and wall lights: it holds parts together, carries the cable and keeps the cable away from sharp edges.

The collection has eight M10 products: pipe nipples from 20mm to 90mm, two nut thicknesses and a washer kit, with prices starting at £1.99.

Where is an M10 threaded rod used?

Because the thread is standard, the same part turns up in a surprising number of projects. The most common are below.

• Repairing a loose or broken lamp. A cracked or stripped nipple is a very common reason a lamp feels unstable. Swapping it for a new rod costs a few pounds and takes minutes.
• Restoring vintage and antique lamps. Older lamps often need a replacement stem or joint. Browse our vintage lighting range for matching fittings.
• Building a chandelier or candelabra. Each arm or tier is joined with a short threaded rod. Pair it with a chandelier frame or your own design.
• Hanging a pendant light. The rod links the lamp holder, the shade and the cable. See the full pendant lights collection, then add a ceiling rose and hanging chain if you want a chain drop.
• DIY table and floor lamps. Jars, bottles, wood blocks and pipe all become lamps with a threaded rod, a holder and a length of fabric cable. Our DIY lighting section has the rest of the kit.
• Industrial and pipe lighting. The 10mm thread fits custom conduit and pipe builds, which is why it shows up with pipe lighting and pipe lighting accessories.

How to choose the right length

Length is the choice most people get wrong. Too short and the nut will not reach the thread. Too long and the rod pokes out of the fitting or stops a shade from sitting properly. Measure the full stack you want to clamp together: the thickness of the lamp holder base, any washer, the shade or bracket, and the nut. Add about 5 to 10mm so the rod passes through with a few threads to spare.

As a rule of thumb, shorter rods suit thin parts and longer rods suit joins between several pieces. These are general guides, so always measure your own fitting.

The 20mm to 90mm sizes above are all available on one product page, 5 x M10 Metal Threaded Hollow Pipe Nipple Tube Various Lengths. Pick the length from the drop-down. Each pack holds five rods, so you can keep spares for the next job.

Nuts and washers: the small parts that hold it all together

A rod is only as secure as the nut on it. We stock two thicknesses, both with the same M10 x 1mm thread:

• M10 3mm fine pitch hexagon nuts (5 pack, £5.09). The slim profile suits tight spaces and works well as a second nut that locks the first in place.
• M10 5mm hexagon nuts (5 pack, £5.19). The thicker body grips more thread and gives a firmer clamp on heavier fittings.
• M10 lamp repair washers (5 pack, £1.99). A washer spreads the clamping force, protects shade rings and glass, and stops a nut digging into a soft base.

If you are building a lamp from scratch, you will also need a lamp holder, a bulb such as an E27 LED bulb and a switch. For tidy shade mounting, see our lampshades.

Common problems a new rod can fix

Before you buy a whole new light, check whether one of these everyday faults is really just a worn rod or a missing nut.

• The lamp holder spins or wobbles. The nut has usually worked loose or the thread has worn. Fit a fresh nut and a washer, and add a second slim nut to lock the first.
• The shade will not sit straight. The rod may be too long or too short for the shade ring. Measure again and swap to the next size up or down.
• The cable looks frayed where it enters the fitting. A damaged or rough-edged nipple can chafe the insulation. Replace the rod, and replace the cable too if the damage is more than surface deep. Our fabric cables come in 2 core and 3 core styles.
• A chandelier arm droops. The joint is carrying too much weight on a short rod. A longer rod with a washer on each side spreads the load.
• You want to change the look. Swapping a pendant's holder, shade or ceiling rose is easy once you have the right M10 parts to hand. Try a new ceiling rose or an easy fit lamp shade.

Because the rods come in packs of five, it is worth keeping a few spare lengths in the toolbox. Lighting projects rarely go exactly to plan, and a spare 30mm or 40mm rod saves a second order.

How to fit an M10 threaded rod: step by step

This is a general walkthrough for a simple lamp or pendant repair. Mains wiring carries a risk of shock and fire. If you are not confident, or the work involves fixed wiring, use a qualified electrician. Our product installation guide has more detail.

1. Disconnect the power. Unplug a lamp. For a ceiling light, switch off at the consumer unit and confirm the circuit is dead before touching anything.
2. Take the old parts apart. Note the order of the holder, washers, shade ring and nuts. A quick phone photo helps you rebuild it the same way.
3. Measure the stack. Add up the thickness of everything the rod will pass through, then choose a length with a few spare threads (see the table above).
4. Check the cable path. Make sure the cable runs freely through the hollow rod and that the rod ends are free of burrs that could scuff the insulation.
5. Thread the cable through the new rod, then screw the rod into the lamp holder or base until it seats firmly.
6. Add the washer and nut. Tighten by hand, then a quarter turn with a spanner. Overtightening can strip the thread or crack a glass or ceramic part.
7. Reconnect and test. Rewire following the holder's instructions, refit any cover, restore the power and test the light.

Shop the M10 threaded rod collection

Here are all eight products in the threaded rod collection. Prices are per pack of five.

5 x M10 Metal Threaded Hollow Pipe Nipple, Various Lengths

From £4.29

Choose from 20mm to 90mm. The best starting point if you are unsure which length you need.

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M10 Threaded Pipe Nipple, 20mm Long, 5pcs

£4.29

The shortest size, suited to thin brackets and compact fittings.

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M10 Threaded Pipe Nipple, 30mm Long, 5pcs

£4.49

A versatile length for general lamp repair and standard joins.

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M10 Pipe Nipple, 35mm Long, 5pcs

£4.59

Extra reach for thicker bases and wooden lamp blocks.

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M10 Pipe Nipple, 40mm Long, 5pcs

£4.89

Room for a washer and nut when joining two parts.

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M10 3mm Fine Pitch Hexagon Nuts, 5 Pack

£5.09

Slim nuts for tight spaces or for locking a first nut in place.

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M10 Hexagon Nuts, 5mm Long, 5 Pack

£5.19

A thicker nut that grips more thread on heavier fittings.

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M10 Lamp Repair Washers, 5 Pack

£1.99

Spread the clamping force and protect shade rings and soft bases.

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Frequently asked questions

Get your M10 parts delivered

Standard UK delivery is free on orders over £30, or £2.69 below that, and next day delivery is £4.69 if you order before 1pm. Full details are on our delivery information page, and you have 30 days to return unused items under our returns policy. 

Ready to finish the job? Start with the M10 threaded rod collection, then add ceiling rose brackets, a wire cage or a new table lamp. Want a custom light? Try our product configurator. Questions? See our customer FAQ.