For the advanced climber, you can toe into these on a 45-degree wall. Beginners should avoid this set unless using on vertical and expecting a foothold that will require you to be using a climbing shoe. These are not tennis shoe feet.
3/8-16 Zinc Round Base T-nuts
3/8-16 x 2" Indoor rated allen head bolt
3/8-16 1-1/2" Stainless Steel Allen Head Bolt
The t-nut to choose for commercial high use, steep walls, and roof sections.