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Old Jun 07, 2014, 05:49 PM
Registered User
United States, TX, Houston
Joined May 2003
545 Posts
Question
What size die for making controll horns

I want to thread a brass rod so I can make my own control horns for a Nan Shadow. Should I use a 3mm 5 die or a 3mm 6 die so it fits the inserts in the flaps and ailerons? I believe the 5 & 6 designations are for fine and course threads. As for the bar stock, should I use 3mm brass rod and run it through the die?
Thanks,
S Gibson
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Old Jun 07, 2014, 07:37 PM
Registered User
USA, CA, Visalia
Joined May 2007
50 Posts
The tap I use to clean the threads is a 3x0.5.
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Old Jun 07, 2014, 11:38 PM
Some people call me Maurice
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Thousand Oaks, CA
Joined Mar 2004
2,554 Posts
Hoot,
First of all, just buy the horns. They are sold everywhere.
Second, 0.5 is the standard pitch for M3 and yes, 3mm OD rod is correct.
Third, you'll want to start with 4-5mm rod, turn it, thread it, mill it, then drill it. Or just but the horns already made.
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