MAUCOTOOLS new player, all the Italians borer manufactures are located in the same area of southern Italy. Observe @ 5:40 sec precision bar coupling , I use a patented 3 screw coupling, each screw develops 10,000lbs, only requires 200lbs of force…IMO every bar should have female coupling INCLUDED @ no charge Kaiser CKN connections @ 2:52 Aluminum reduces moments-of-inertia (light weight) most cutting tool manufacture
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