Tool to open left-threaded/turning screws

Started Jul 1, 2012 | Discussions thread
harrygilbert Senior Member • Posts: 2,799
Re: Tool to open left-threaded/turning screws

If you are looking to loosen / tighten this kind of fastener

You will need a "Pin Wrench"

Amazon has several:

From this one:

to cheaper models:

Problem with the cheap ones is that the pin diameter may not match the diameter of the holes in the faster, and the pins may not be properly hardened.

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