Te-Co 20601 38 Piece T-Nut and Stud Kit, 5/16"-18 Stud x 3/8" Table T-Slot
Kits contains 4 coupling nuts, 4 flange nuts, 4 t-slot nuts, 1 t-slot cleaner, 24 studs and 1 holder. Clamping kits. Workholding components. Measures 5/16"-18 stud by 3/8" table t-slot.