Stainless Steel T-Slot Nut, Black Oxide Finish, Grade 2, Right Hand Threads, Class 2B 3/4-10 Threads, 1 Height Slot Depth, Made in US Model: Misc.
Designed to fit into T-slots in machine tool tables. Jergens Table-Saver design provides a safety-stop feature to prevent turning stud into tableways. Threaded all the way through so a stud can extend beyond the bottom