 The Clarinet BBoard
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Author: clarnibass
Date: 2015-07-08 17:10
Hi
Does anyone know what is the thread pitch of the rod screws on Leblanc Opus clarinets?
Thanks
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Author: Chris P
Date: 2015-07-08 17:53
No idea, but it's too small as I've had to replace the LH lever rod screws on Leblancs as the internal thread in the pillars had stripped from being over torqued. I tapped them out to M2x0.4 and fitted the appropriately threaded rod screws as a replacement.
Sorry, not helping much.
Former oboe finisher
Howarth of London
1998 - 2010
The opinions I express are my own.
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Author: clarnibass
Date: 2015-07-08 19:32
I'm asking for someone else in case someone here might know. It now seems to be 1.7x0.45mm which is really weird but I've seen some weird threads. I have no idea why companies used these.
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Author: Steven Ocone
Date: 2015-07-10 17:10
A .45 mm thread would be 56TPI, a standard thread thread in the USA.
Steve Ocone
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Author: clarnibass
Date: 2015-07-10 17:42
Yes, 56TPI is very close to 0.45mm are very close. Someone on another forum confirmed that the Leblanc Opus has a very unusual thread of 0.45mm pitch with about 1.7mm diameter. Smallest standard diameter for 0.45mm is 2.2mm and for 56TPI it's about the same (2.18mm).
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