Where can I get a threaded wooden/metal rod for an adjustable piano stool? [solved]
I want to make a height adjustable stool, like a piano stool, of the simple screw/rotate type, but I don't have a lathe (or anything like enough skill) to turn a thread in wood myself.
Is there anywhere I could obtain a length of threaded wood of a large enough diameter ready made? Alternatively, if Wood is too hard to obtain (I've only seen a few examples with wooden screws) a metal equivalent would be OK.
Also, what should I be searching for? (Name), typing "wood screw" into Google obviously isn't going to work).
I'm in the UK, but a USA source would be OK too (I have relatives who could accept a delivery stateside)
If you have a router, you can use the Beall Wood Threader. A kit to thread one-inch dowels is US$85. They have kits to do smaller sizes or multi-size kits. Parts are included to do both inside and outside threading.
You can find a hand tool on eBay.
Here's a source for ready-to-use threaded dowels in half-inch and three-quarter-inch diameters up to three feet in length.
Here is a source for metal hardware: Lee Valley Tools.
Additional information can be found by searching for "threaded dowel" or "piano stool threaded".
My local steel manufacturer sells threaded metal rod up to 1 1/4". They also sell nuts that fit it, but not threaded sleeves like Lee Valley provides. Still, you could easily fit a a nut in at the top of the stool and another at the bottom.
The price that was quoted to me today (steel prices fluctuate regularly) was $60 for a 6' rod, but you can probably have them cut you a ~12" section for $12-20.
Industrial Stool Build - How to
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