T-nuts are great for indoor and outdoor, residential and commercial climbing walls. Mount your climbing rocks with confidence using Squirrel Products 3/16 T-Nuts. Squirrel Products T-Nuts are 3/16 nuts are 1/4 deep allowing the nut to be embedded a full 1/4 into the mounting material. Mounting material should be 1 - 1 1/2 thick.
Before fastening bolt-on climbing holds to wood climbing walls, t-nuts must be installed in the back of the climbing wall to help assure safety. The bolt will go through the climbing hold, through the wood, and into the t-nut.
A t-nut is basically a nut with a flange on one side. The barrel of the t-nut can fit into a 7/16 hole, but the flange is 1 wide so it cannot fit through the hole. The flange catches the surface of the climbing wall surrounding the 7/16 hole. The Barrel of the T-nut should be recessed behind the front surface of the climbing wall by at least 1/ 4.
Climbing holds must not make direct contact with the t-nut. If the climbing hold makes direct contact with the t-nut it eliminates the friction between the surface of the climbing wall and the back of the climbing hold. Climbing holds need to have good contact with the climbing wall in order to be secure.
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