TIMco Carriage Bolts & Hex Nuts - Silver - 10 x 150mm

A domed head bolt with a square anti-spin shoulder, primarily used for clamping timber or attachin...

Best current price£1.24from Power Tools Direct

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Power Tools DirectTimco 10130Cbp Carriage Bolts & Hex Nuts - Zinc M10 X 130 Timpac 2
£5.95 delivery
£1.24
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BradfordsTIMco - Carriage Bolt and Hex Nut - M8 x 130mm - Pack of 3
£25.00 delivery
£2.71
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eBayTIMCO M10 x 180mm Carriage Bolts Hex Nuts ZP Timber Fixings Woodwork Pack of 2
Free delivery in 1–3 days
£4.75
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OnBuy.comTimco 08100Cbp Carriage Bolt And Hex Nut Bzp 8 X 100Mm Bag Of 4
Free delivery in 1–3 days
£4.91
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B&QB&Q - TimcoCarriage Bolts & Hex NutsZinc (Size M8 X 1004 Pieces)
Free delivery in 1–3 days
£5.35
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Product Information

Full details

The TIMco Carriage Bolts & Hex Nuts are ideal for professional contractors and DIY enthusiasts who need a reliable, heavy-duty fastening solution for timber-to-timber or ironmongery-to-timber applications. Featuring a signature domed head with a square anti-spin shoulder, these bolts provide a clean finish and high structural security. While they offer excellent clamping strength, users should note that the zinc-plated finish is intended primarily for interior or protected environments rather than highly corrosive coastal settings.

All features

ColourSilver
Model Part Number10150CBP
BrandTIMco

Extended Product Information

FAQs

Are these bolts suitable for outdoor use?

They are zinc-plated, which provides some rust resistance, but they are best used in dry or semi-protected outdoor environments. For constant exposure to rain, stainless steel is recommended.

Can I use these on metal-to-metal connections?

No, these are specifically designed for timber-to-timber or ironmongery-to-timber applications due to the anti-spin shoulder.

What tools do I need for installation?

You will need a drill with a 10mm wood bit, a mallet, and a spanner or socket wrench to tighten the hex nut.

Does the head require a special driver?

No, the head is designed to be smooth and is held in place by the square shoulder. You only need to apply force to the nut on the threaded side.

What is the diameter and length of this bolt?

This specific variant is an M10 bolt with a length of 150mm.

Troubleshooting

Bolt spins in the hole when tightening the nut

The square shoulder has not seated properly. Tap the head of the bolt firmly into the timber with a mallet to ensure the shoulder has locked into the wood grain.

Difficulty inserting the bolt

Ensure the pilot hole is drilled completely straight. If the bolt is tight, check that the hole diameter is exactly 10mm.

Pros and Cons

Pros

  • Square shoulder effectively prevents spinning during installation
  • Sturdy carbon steel build provides reliable structural support
  • Includes matching hex nuts for a complete installation set
  • Clean, professional appearance suitable for visible ironmongery

Cons

  • Zinc finish may corrode in harsh outdoor or salty air environments
  • Requires a pilot hole to prevent timber splitting
  • Limited pack size may not be sufficient for large-scale framing projects

Setup, Compatibility & Care

To install, drill a hole through your timber components equal to the diameter of the bolt (M10). Insert the bolt through the materials and ensure the square shoulder is aligned with the hole. Lightly tap the domed head with a rubber mallet until the shoulder is fully seated. Thread the included hex nut onto the end and tighten using a socket wrench or spanner until the connection is secure. To maintain the life of the zinc coating, keep the bolts dry during storage and consider a secondary paint or sealant coat if installing in slightly damp areas.

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