Uploaded November 2016 | Updated September 2026, 31 minutes ago

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The drawbar on the Precision Matthews PM25 mill is difficult to torque properly with its unusual 8mm square head. In this video we replace the standard drawbar with a new one with a 3/4" hex head that is used on Bridgeport mills. This work was done to ensure proper torquing of the Tormach TTS collet and thus ensure tool retention while performing heavy machining.

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