Quote:
Originally posted by MadDogMe
Do you mean making sure the area around the jets OD is big enough not to cause too much restriction BB? (same size as jets ID or bigger?), or are you talking about something more elite?  ...
I'd say the thread on the endmill is causing problems Lee. Can you get a thin threaded sleeve to thread over it?, to make it smooth again.. Or is it a weird reverse thread to prevent it untightening while turning?..
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i removed the chuck ths weekend and made sure it's on correctly and so far no problems. as long as i dont put too much pressure on the end mll no more cup walls destroyed.