[pure-silver] Re: messed-up threads on tripod head
- From: "Richard Knoppow" <dickburk@xxxxxxxxxxxxx>
- To: <pure-silver@xxxxxxxxxxxxx>
- Date: Wed, 18 Jun 2014 18:16:26 -0700
Most tripod screws are 1/4-20, that means 1/4 inch
diameter and 20 threads per inch, a standard size. You If
you can get the screw out of the hole run a tap into the
hole as advised by others. You can get a tap at any hardware
store plus you may need to get a tap wrench. You may want to
bring the thing to the store. The tap should be lubricated
with light oil. Work turn the tap in slowly and work it back
and forth while going further in. That will straighten the
hole. The screw may also need treatment. See if it will
thread into a 1/4-20 nut easily. If not you will need to get
a 1/4-20 die. That is the opposite of the tap and cuts
threads on the male part. Used much the same way as the
tap, work it slowly a little at a time with some light oil
lubricant. These are not particularly expensive tools and
will last a long time if used with a bit of care. Some old
fashioned hardware stores may just do the job for you.
--
Richard Knoppow
Los Angeles
WB6KBL
dickburk@xxxxxxxxxxxxx
----- Original Message -----
From: "shannon Stoney" <shannonstoney@xxxxxxxxxxxxxxx>
To: <pure-silver@xxxxxxxxxxxxx>
Sent: Wednesday, June 18, 2014 12:43 PM
Subject: [pure-silver] messed-up threads on tripod head
I have an old tripod head that I bought used: it's a Gitzo
and it probably dates to the 80s or something. I have used
it for 15 years. One day about a month ago the tripod fell
over, and the screw in it got sort of knocked to one side.
As a result I can't get the screw in and out very easily.
The screw itself seems to be fine, but the threads on the
inside of the hole seem to be a little battered. Is this
something a machine shop can fix, or is this tripod head not
salvageable?
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