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Steadicam Pilot Weight Thread Size

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#1 Afton Grant

Afton Grant

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Posted 01 July 2010 - 03:15 PM

Does anyone know the thread size/pitch of the small modular weights that come with the Steadicam Pilot? I've taken them into the hardware store and they don't seem to be anything common - standard or metric. They seem to be somewhere in the 7/16" - 1/2" range, but don't fit either. The hardware store can only measure coarse or fine thread pitches. Could it be extra fine?
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#2 Tom Wills

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Posted 01 July 2010 - 10:50 PM


When I measured up one of them for a project I had planned, I found them to be 15/32" (halfway between 7/16" and 1/2"), and 32 TPI. This makes it a standard thread a "National Special" - note, not NC (Naitonal Course) or NF (National Fine) - but one that is hard to find. I did find a tap on McMaster-Carr though. http://www.mcmaster.com/#taps/=7s2tle

As I said, I had to measure it out, so I might be off on the pitch of the threads, but the diameter is definitely 15/32".

Good luck!
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