Talk:3 vs 4 jaw lathe chucks

If it can't hold square stock then it can't be used for making precise holes, correct?

This system http://openfarmtech.org/index.php?title=Eric_Hunting_Resource_Guide#Matrix.2FBox_Beam.2FGrid_Beam

Seems to be the most reusable system for high value steel products. Though the T Slot system might be better and more versatile, it's extruded which means it is more expensive to produce.