Quote Originally Posted by fwharris View Post
The 2 lock washers are to accommodate the longer screw that was added shortly after the original design came out. It was found that with the longer screw and washers it helped with the balancing of the chuck.

The hex head screws will not strip out like the phillips head screws.

It is your option if you want to glue the stop collars or not. I think most just slide them on.
Thank you Floyd