What is a lag bolt?

A lag bolt is a heavy screw with a hex head, driven with a wrench or driver into wood to make a strong connection.

What lag bolt means

A lag bolt is a heavy screw with a hex head, driven with a wrench or driver into wood to make a strong connection.

Also called lag screw.

Where it matters on a handyman job

Lags need a pilot hole sized to the shank and threads, or they split the wood or snap. For deck ledgers, follow the code table; many inspectors want through bolts or structural screws instead.

What it costs

Koira's tV mounting cost guide puts a typical job at $220, with most between $130 to $320. The guide shows its sources and what moves the price.

Work it out

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What Is A Lag bolt? Handyman Term Explained | Koira