T Slot Table Standard Dimensions
T-Slot Aluminum, T-Bolts and Fastening Nuts. Framing Tech is proud to offer a full line of aluminum framing fasteners, from T-slot aluminum and T-slot extrusion pieces to economy nuts and specialty fasteners. For quicker setups than a separate T-slot nut and stud, slide these bolts into T-slot tracks on machine tool tables. T-Slot Nut and Setup Stud Kits For mounting items to your machine table, these kits contain the full system of necessary components.
Typical 'Bridgeport' slot width is, as far as I can tell, 5/8' (0.625 in). The common 1/2' clamping sets come with t-slot nuts which are made to fit 5/8' slots. Because the catalog page for the G0484 lists the slots as half-inch, just like the BP clones, I assumed that the standard kit would work fine. Heh.Provides a T-slot framing system and resources in your hands to turn dreams into reality. It's easy to assemble and can be configured into endless custom solutions, from DIY project to industrial applications. 80/20 is versatile - from machine guards to robotic arms, racing simulators, and workstations, it is a product for individuals, industries, and businesses.
It turns out that the G0484 slots are actually 0.55 inches wide, which seems like an odd number -- unless you convert to metric and realize that this is extraordinarily close to 14mm. My guess is that the G0484 table is actually machined to metric specs, which end up being close enough to imperial spec that Grizzly can get away with selling some extra-narrow '0.55-inch' t-slot nuts to make up the difference.Card Table Dimensions Standard
The downside, of course, is that I wasn't able to get my vise mounted this weekend due to lack of hold-downs, so after I ran the mill through the break-in cycle I was not able to actually try it out. Running an extended break-in cycle is well worth it, BTW -- a cyclic gear noise that was quite prominent during the first few minutes was practically gone by the time I was done.In case anyone is wondering, I was unable to locate 14mm t-slot nuts with 1/2-13 threaded holes, at least from the common suppliers. McMaster-Carr has 14mm parts with metric holes, for quick delivery, but at a single-unit price close to what Grizzly charges for their '0.55-inch' t-slots nut 4-packs.
Kind of hard to make your own t-slot nuts before you have a way to get your vise bolted down and aligned.