JR Z590M Servo - what servo horn screw?

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dghutt

Active Member
Joined
Jul 21, 2004
Messages
27
This is truly a stupid question and I apologize, but trust I can rely on this board's usual friendly bunch to help me anyway.

I just bought a JR z590m steering servo on eBay but it came without the servo arm retaining screw. This servo has a metal output shaft. I tried a regular horn screw from another JR servo but the thread is way off. A 4-40 capscrew seemed close but the thread must be a little bit out. Before I go buy a pack of various screws to try them all, is someone here able to tell me what screw I need for this servo?

Thanks in advance.

Dave
 

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