I have a few old doorknobs that can use a new spindle,the problem is
what kind of thread is used on the spindle,the threads on most of the
door knobs are stripped, I've tried 3/8x30 nuts to check the spinle
threads,can't fit.The size of the spindle is 9/32 square bar/key stock
This is the only info I came up with
# Solid Steel Construction
# Standard 9/32" Thickness
# 20 Threads Per Inch
Is this the correct die or tap,it is used in the UK
9/32" X 20 TPI BSW
Just take the knob to a hardware store and see what size bolt/machine
screw fits the threads. That is the base size you need. If it isn't
available, get a threaded rod , put a nut or two on the rod and grind
it down so there is a flat for the knob setscrew, and thentake the nut
off over the area where you ground the flat. THe nut will rethread
the rod so the doorknob will go on. This is not rocket science here.
I'm not sure what they use, either, otomh but I don't think they use a
standard thread. They're more like an Acme thread or something similar
altho it's not a true Acme, either.
I've got some old ones out in the shop; I'll try to find time to see if
can figure out something that might work close enough that's moderately
I've done it on square stock w/ rounded over corners, this for a latch
for a pickup truck camper shell. (apparently no replacements were
available in the configuration that I needed, but some were available
that could be modified to fit.)
replace "roosters" with "cox" to reply.
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