T SLOT NUT WITH SPRING, M6 THREAD, 10MM SLOT, ZINC

What size T-slot nutsbolts do I want to get for the 20x20 Aluminum m6 slot nut 1pc T-Slider For T-Slot M6 M8 T Slot Nut T-track Slider T Block Square Nuts Aluminum Alloy T Slot Nut For Woodworking Jigs Screw Slot Fastener Tools Provided m6 slot nut nuts and bolts, I probably should have tried M6 but I couldn't find any at the hardware store and didn't want to buy 200 of something that I

m69 slot 1pc T-Slider For T-Slot M6 M8 T Slot Nut T-track Slider T Block Square Nuts Aluminum Alloy T Slot Nut For Woodworking Jigs Screw Slot Fastener Tools Provided