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What is a Coach Bolt?

Posted by Bob Bulmer on Mon 22nd October 2007 at 06:00 AM, Filed in Screws And Nails

A coach bolt incorporates a square collar under a domed head that interlocks with timber as it is tightened. The major benefit of this is that only one spanner is needed to tighten up a nut.

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A washer should be used under the nut to stop it imprinting on the timber.

Sizes vary up to 500mm long and 20mm diameter.

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