Zinc versus Stainless Steel | Atomik Climbing Holds
T-Nut 1/4-20 Inch (100 Pack), Choose Size/Quantity/Material, By Bolt Dropper, Pronged Tee Nut. For Wood, Rock Climbing Holds, Cabinetry, etc. (1/4"-20 x 7/16", Steel) : Amazon.co.uk: DIY & Tools
How to Install T-Nuts
ALPIDEX 50 Special T-Nuts Professional Zinc-Plated M10 Fixation with Chipboard Screws | Alpidex.com
Climbing Wall T nut | HOLDZ
Industrial Gym T-Nut – Escape Climbing
250 T-nuts for Climbing Holds : Amazon.co.uk: Sports & Outdoors