rock climbing holds home page
rock climbing hold products
How To

FAQ
New rock climbing holds

Bouldering rock climbing holds
STARTER SETS rock climbing holds
Climbing holds for children!
SCREW ON rock climbing holds
JUGS rock climbing holds
CRIMPS rock climbing holds
INCUT rock climbing holds
Pinch climbing holds
sloper climbing holds
Big climbing holds
NOVELTY rock climbing holds
rock climbing holds HARDWARE
Three Ball Climbing shipping info

Climbing Wall Plans

About Three Ball rock climbing holds

climbing pics and videos

Contact Three Ball Climbing
Related Sites

Climbing Apparel


TBC NEWS

How to Install 4 prong T-nuts in climbing wall panels.





T-nut Installed



When installed in the back of the climbing wall, the t-nuts should look something like the pictures to the left.


If you are looking for t-nuts which are easy for one person to install, we recommend Round Base T-nuts.




Heavy Duty T-nut
(25, 50, 100, or 200)
Special Instructions
Heavy Duty T-nuts
(300, 400, 500, or 600)
Free Install Kit?
Free Sample Hold?
Special Instructions
Heavy Duty T-nuts
(700, 800, 900, or 1000)
Free Install Kit?
Free Sample Hold?
Special Instructions


For orders of 2,000 or more please call to order: 480-334-4646



T-nut Install Kit
T-nut Installation Kit


Install Kit Quantity:
Wall Size:
Install Kit Includes:
Predrilled Block w/ 13/32" Hole
5/16" Hex Wrench
2 3/4" bolt
2 washers
How to install
4 Prong T-nuts

(With 2 people it takes about 20 seconds)
4 Pong T-nuts

    Items you'll need:
  • 5/16" long arm hex wrench
  • 2 3/4" long 3/8-16 socket head cap bolt
  • 3/8" Flat washer
  • 3/8" Fender washer
  • 2" x 4" block with a
    13/32" hole
  • 3/8"-16 4 prong t-nut
  • Barges All purpose Cement. (Anything that bonds to both metal and wood)
Prior to installing T-nuts your climbing wall should be prepared by creating a grid of holes spaced according to your preference using a 7/16" drill bit. The inner diameter of the t-nuts is 3/8", but the outer diameter is 7/16".

There are a couple ways to install t-nuts. The bad way is to hammer them in. Here are the problems with hammering:

When you hammer in the second t-nut, the first one has a tendency to bounce out. The shaft of the t-nut will not be perpendicular with the surface of the wall. The t-nuts have a tendency to pop out the backside, or cross-thread when you are trying to bolt on a climbing hold.

Here is how to install t-nuts professionally:

Step one, Glue:
One person should be behind the wall to put the glue on the t-nuts and hold them in place for the person on the front side of the wall. Without glue, the t nuts will easily pop out when you try to fasten a climbing hold.















Step two:
The person in front of the wall should put the bolt through the washers and the block as shown below. The washers will help reduce friction as you rotate the bolt. The wood block will keep the surface of your climbing wall from getting marked up or dented by the washers.


Step three:
It will be easier to pull the t-nut into the wall if you lubricate the threads of the bolt before fastening it to the t-nut. Graphite powder or soap works well. (Important Note: Stainless Steel has a much higher friction coefficient than alloy steel. When installing stainless steel t-nuts lubricated alloy steel bolts must be used, not stainless steel.)
Put the bolt through the block



Fasten the bolt to the t-nut




Step four,
Fasten the bolt to the tnut by hand. When it is tight, grab the 5/16" hex wrench and start tightening the bolt. As you turn the bolt, the t-nut will be pulled into the wall. When the prongs of the t-nut have fully penetrated the wall you are done! Unscrew the bolt, add a little more soap or graphite if necessary and start on the next t-nut :)




Pulling the t-nuts into the wall in this manner will keep the barrel of the t-nut properly aligned. Since the barrel will be perpendicular to the wall, it will be much easier to get the threads of the bolt to match up when you are fastening a climbing hold. The glue will also help keep them from moving or popping out. It will take a bit longer than hammering them in, but it will be well worth!



T-nut Installed






When installed the t-nut should look something like the pictures to the left.


Home - Product Info - FAQ - New Climbing Holds - Climbing holds for bouldering - Jugs - Crimps - Incuts - Starter Sets - T-nuts & bolts - Shipping Information - Climbing Wall Plans - About Us - Pics & Vids - Contact Us - Related Sites