T Sliding Slot Carbon Steel Furniture T Nut for DIY Woodworking. Just thought I’d pass this info along for those interested, I know a lot of guys use toilet bolts and/or carriage bolts and grind them down, or just drill a hole at one end of the track but these seem like they may work out better. t slot products for sale eBay WebDouble-Cut Universal T-Track (Suit T-Slot Bolt) From 25.00. These came in a pack of 20 for <$15 which is much less than if you purchase factory T-rail bolts, I’ve seen them for as much as $5 each! The flange on these are 13/16” long x 17/32” wide, so you can grind to fit the slot on your rails.

In the first pic, the bolt on the right is how they come, bolt on the left has been ground. I had to grind the flange width down to fit in the rail of my Lowe Roughneck, I also ground 45 degree flats on opposite ends to provide a flatter surface to catch in the slot once they rotate as I start tightening. But I can see how t-slots may be a better choice than buying the Micro Jig specific hardware for it in some cases. I don't use routered t-slots or considered making anything with it. Some things t-track is much better and some things the Micro Jig dovetail is better for. I found these T-Slot bolts on-line from a company called Powertec, they are ¼”-20 bolts with an oval flange on one end like a toilet flange bolt. I don't see it as a complete replacement for t-track. Just wanted to pass along a bolt that I found that can be modified to fit the T-rails on your boat to add accessories.

Homemade t slot bolt