Q & A: Installing Threaded Inserts
I made a jig that needed
threaded inserts but I had one heck
of a time installing them by hand.
They went in cockeyed and I trashed
their slots.What am I doing wrong?
The most common kind of
threaded insert is the straight brass
barrel with thin outside threads and
a single slot. A better one has wide
threads, a hex wrench slot and is
tapered to guide into the hole
straighter. The most foolproof way to install
both threaded inserts is to use an
unplugged drill press and a bolt to
support the insert. The drill press
keeps the insert square to your board.
Here's how to install them:
1. Drill a hole of the recommended size
2.Unplug your drill press.
3. Cut off the head of a bolt with the
4. Spin a nut, washer and insert onto the
5.Center the hole directly under the insert
6. Back off the nut using a wrench.
If you don’t have a drill press, don’t
This story originally appeared in American Woodworker August 2000, issue #81.
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