Are T-slot tables necessary and is it worth paying more for steel?

Mini T-Track with 14 slot steel t slot track Slotted T Bolts Square Head T Bolt Dimension Chart Stockist of Stainless Steel T Slot Bolts, Threaded T Bolt, Check avaliable sizes of M8 T Track Bolts a -0 steel t slot track M6 x 75 mm T-Bolt T-slot bolt M6 x 75 mm Slide nut size 18 x x mm Galvanized steel Compatible with Aweso T-tracks Compatible with Incra T-tracks

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