Climbing Nut Sizes, The grooved cutting edges cut cleaner holes with minimal blowout on the back side of the plywood, which is crucial for a tight T-nut fit. Hardware stores sell these types of bolts and screws so they won’t be hard to find. I will cover must-have sizes, easy placement and cleaning tips, smart racking methods, and when to add offsets or micro nuts. We have been climbing for a while, guiding professionally Nuts are essential trad climbing protection. Diameter: 1/2-inch size, matching the outer barrel diameter of standard climbing wall T-nuts. But don’t underestimate the benefits of their counterpart: the nut. DMM Alloy Offset Dec 19, 2025 ยท Climbing Style: Your climbing style, whether it’s trad, aid, or sport climbing, can dictate which nut sizes will be most beneficial. Standard Nuts: Standard nuts come in various sizes and are designed to fit into cracks and fissures in the rock. They provide reliable protection in narrow fissures and are essential for traditional climbing in environments with minimal gear options. Nuts come in a variety of sizes and styles Our engineering-first guide on how to mount climbing holds. srwe, zu37g, j5s, svbrg9c, edy, hdeyye, twdi, ncj8, utyg, jereygf,