I bought T-Slot Nuts at Wal-mart

What are the recommended nuts for the t-slot of the QCW frames? 5_8 tslot nuts T-Slot Nuts Heat treated steel black pentrate finish Last thread is incomplete to prevent stud from turning through bottom of nut into machine table 5_8 tslot nuts Heat treated steel T-Slot Nuts with black oxide finish feature an imperfect thread in the base of the T-nut to eliminate any danger of screwing the clamping

main508 slot ; T-Slot Nuts ; Material · Steel ; Thread · 12-13 ; Table Slot · 58 in