Originally Posted by
William C Rogers
I know a lot of people use the plastic washers, but not me. Find a steel machined washer. My experience is the plastic washers will compress differently causing some misalignment. It is not much, but those washers are unnecessary. It is also a belief that the plastic washers prevent a chuck from getting stuck. Never “snap” spin a chuck or faceplate on. Keep the threads lubricated and turn it by hand until it makes contact and then use the removal tool to snug it up. I have never had a problem or a chuck get stuck using this method. You can also search spacer instead of washer.