Quote:
Originally Posted by Big G
I don't think the plastic is cut to any thread when brand new. If they are for the B4 the cup will fit no problem. If the ball studs themselves are M3 thread ideally you'd want to fit them into new hubs/mounts so it cuts in that thread instead of the 4-40 standard.
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thanks for the reply, still need the ball diameter as its just the RPM ball cups i want to use on an all metric X-Pro chassis, i could use 4-40 ball studs from the b4 but dont want to buy all new hubs ,uprights, bulkheads ,ackerman plate, servo saver. cheers again