Everything you NEED to know about Chucks and Ball Bearing Nuts
The ball bearing nut is a simple yet critical component of your tool holders. As opposed to the standard nut, the ball bearing prevents distortion in your spring collet. A standard nut imposes steel on steel contact between the collet and nut, whereas the inner flange of the ball-bearing nut sits on a ball race and remains stationary with the collet as the nut is tightened.
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