8020, 13040, 15 40 Series 5/16-18 Steel Self Aligning Roll in T-Nut with Ball Spring - T Slot Accessories for 80/20 Aluminum Extrusion - Hardware Nuts (1500 Pack)
8020, 13040, 15 40 Series 5/16-18 Steel Self Aligning Roll in T-Nut with Ball Spring - T Slot Accessories for 80/20 Aluminum Extrusion - Hardware Nuts (500 Pack)