[andyl]

I've had good experience with the Flatline rack. It's made from 8020 extrusion - series 10. Very configurable - put up a deck or solar panels or etc.

These drop-in t-nuts work with 8020 series 10. Attach to rack with screws and fender washers.

Amazon.com: 80/20 Inc, 14162, 10, 25 Series 10-32 Standard Drop in T-Nut (25 Pack) : Industrial & Scientific

Buy 80/20 Inc, 14162, 10, 25 Series 10-32 Standard Drop in T-Nut (25 Pack): Strut-Channel Nuts - Amazon.com ✓ FREE DELIVERY possible on eligible purchases

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