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Toolholders for Bridgeport mills
The Mach 1 quick-change tooling system works with Bridgeport or other

A collet closer secures tools, so when the collet is removed from the spindle, the tool maintains Z-axis position or length qualities.
http://www.americanmachinist.com/304/Issue/Article/False/8530/Issue
For more information visit Bridgeport Milling Machines category