Structural screws for safe reliable install of climbing products
Other screws are dangerous and not recommend for climbing products
T-25 Bit needed for install
Designed for low installation torque
Easy start “zip-tip” self drills through climbing hold
Simply put, GRK screws are some of the toughest screws around. These aren’t one and done screws. Using general construction screws, drywall screws, or any non-structural screw can be dangerous when installing climbing products.
GRK #9 and #10 screws have a structural rating (#8 GRK do not) and are the only screws we recommend for installing climbing holds and training tools.
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