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Cutting M4 thread in Smart EffectorPCB?

Posted by o_lampe 
Cutting M4 thread in Smart EffectorPCB?
March 10, 2018 03:22AM
Hi David,
I want to replace the M3 ballstuds with an M4 assembly. I'd have to drill the holes to 3.2mm and cut an M4 thread.
I know, the surface of the PCB has a big clearance around the ball stud area, but is it a 4-layer design?
THX
Olaf
Re: Cutting M4 thread in Smart EffectorPCB?
March 10, 2018 04:31AM
The PCB is 2-layer.

Be careful to maintain exactly the same spacing between the ball studs at the top and bottom of the arms. So make sure that your drill bit is accurately centred. I don't know how accurately you can tap 1.6mm epoxy glass.

Edited 2 time(s). Last edit at 03/10/2018 04:34AM by dc42.


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