How to install Round Base T-nuts (With 1 person it takes about 7 seconds) Items you'll need: Electric drill Philips Head drill bit Round Base T-nut (3) #6 sheet metal screws (included with t nut orders) 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". Step one: Put the t-nut in the hole. Step two: Fasten the three screws with the drill. Finished! Most people probably don't need these instructions, but they help illustrate the difference between Round Base and 4 prong t-nuts. If you change routes frequently you'll appreciate a solid nut which is easy to install, and won't spin or pop out. On the other hand, If you don't plan on changing the hold positions frequently, you could save a couple bucks by using the 4 prong style. T-nuts Quantity (1) $0.40 (100) $38.00 (200) $76.00 (300) $114.00 (400) $152.00 (500) $175.00 (1000) $350.00 Free Sample Hold Crimp Incut Pocket Jug Sloper How did you find us? (Orders for Round Base T-nuts also include the necessary zinc plated screws for installation) Home - Product Info - FAQ - New Climbing Holds - Climbing holds for bouldering - Jugs - Crimps - Incuts - Starter Sets - Kids Climbing Holds - Screw on Holds - Novelty Holds - T-nuts & bolts - Shipping Information - Climbing Wall Plans - About Us - Pics & Vids - Contact Us - Related Sites - Project Holds