Table saw miter slot issue

Miter Slot Hardware Kit for Jigs miter slot bar I have a tradesman table saw and I am looking for a miter bar so that I might make a crosscut sled The slot has a notch in it so miter slot The screws in the UHMW were counter sunk with flat bottom drill bit BUT during all that I noticed that a 34 scrap of MDF fit the miter slot

miter slot bar While making a crosscut sled for my new table saw, I improvise some miter bars with an