Timco Carriage Bolts Din603 & Hex Full Nut Din934 Silver - M10 X 120

A domed head bolt with a square anti spin shoulder mainly used for clamping timber or attaching ir...

Best current price£7.46from Power Tools Direct

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4 offers from £7.46 - £14.75

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Power Tools DirectTimco 10120Cbb Carriage Bolts & Hex Nuts - Zinc M10 X 120 Timbag 20
£6.95 delivery
£7.46
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BradfordsTIMco - Carriage Bolt and Hex Nut - M10 x 120mm - Pack of 20
£25.00 delivery
£9.78
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B&QB&Q - Carriage Bolts Din603 & Hex Full Nut Din934 SilverM10 X 120
Free delivery in 1–3 days
£13.63
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eBayTIMCO Carriage Bolt & Hex Nut - BZP M10 x 120 Silver Pack 20
Free delivery in 1–3 days
£14.75
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Product Information

Full details

The Timco Carriage Bolt M10 x 120 is designed for professionals and DIY enthusiasts who require a secure, reliable fastening solution for timber-to-timber or ironmongery-to-timber connections. Its standout feature is the square anti-spin shoulder that keeps the bolt locked in place during installation, providing a clean, professional finish, though users should note that the length of the thread varies based on the bolt size, with fully threaded options available up to 150mm.

All features

ColourSilver
Model Part NumberPTDTIM10120CBB
BrandTimco

Extended Product Information

FAQs

What is the diameter of this carriage bolt?

This is an M10 bolt, meaning it has a 10mm diameter shank.

Are the nuts included with the bolts?

Yes, each bolt comes with a compatible Din934 hex full nut included.

Is this bolt fully threaded?

Yes, this specific 120mm length bolt is fully threaded as it falls under the 150mm threshold.

What tool do I need to tighten the nut?

You will need a 17mm wrench or socket for the M10 hex nut.

Can I use these for structural steel connections?

These bolts are designed primarily for timber-to-timber or ironmongery-to-timber applications and should not be used in critical load-bearing steel-to-steel joints.

Troubleshooting

Bolt spins while tightening

Ensure the square shoulder is fully seated into the timber by tapping the head of the bolt with a hammer.

Nut is difficult to thread onto the bolt

Check the threads for debris or damage; ensure the nut is perfectly aligned with the bolt axis before twisting.

Bolt head protrudes from the surface

Verify that the hole is deep enough and that the timber hasn't caused the shoulder to misalign during the initial strike.

Pros and Cons

Pros

  • Square shoulder eliminates rotation during tightening
  • Professional, clean aesthetic for finished projects
  • Complete set including required hex nuts
  • Robust construction for reliable holding power

Cons

  • Not suitable for high-corrosion or marine environments without further coating
  • Requires a pilot hole to accommodate the square shoulder
  • Length must be carefully selected as thread lengths vary over 150mm

Setup, Compatibility & Care

  1. Drilling: Always use an M10 drill bit or slightly larger for a clearance fit. If you need a tighter fit, use an M10 bit and tap the bolt firmly to seat the square shoulder.
  2. Installation: Insert the bolt through the prepared hole and strike the domed head firmly with a hammer to sink the square shoulder into the timber.
  3. Tightening: Use a standard 17mm wrench or socket to tighten the included Din934 hex nut onto the thread until firm.
  4. Care: While these are high-quality bolts, consider applying a lubricant to the threads if installing into dense hardwoods to prevent seizing. If using in exposed outdoor areas, check periodically for tightness as timber may shrink or swell over seasons.

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