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I would thread holes into tabletop because I know this is strong enough because wood screws are strong enough for same purpose, and there is no insert. But if you choose inserts here is my answer. Allowance for wood movement to be addressed. We are not yet sure if this is needed or how much. No need for more than M6 as these are already so strong. Wood ...


3

This is probably redundant but I think it should be said for the benefit of future searchers. This doesn't require the use of threaded inserts Although you can thread wood directly1 inserts are intended to provide durable threading for machine screws/bolts in wood, allowing for repeated adjustments over time or for complete removal and reinsertion as might ...


2

The question at hand is "how deep should I make a hole in relatively soft wood for a blind insert for an M-sized bolt?" A good rule of thumb is don't remove more than 2/3rds the material in any given dimension when doing joinery. It isn't a hard and fast rule, but a nice start. In this case it'll work just fine because nothing here is critical. The ...


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