Your Ultimate Guide to Climbing Bolts and Hangers Safety ...
2019-3-26u2002·u2002Additionally, bolts can measure between 2 inches and 3 1/2 inches in length. The size of the bolt you need will largely depend on the type of rock that it is being put in. For example, softer rocks typically need bolts that are larger both in diameter and in length. For this reason, if you plan to go climbing on soft rocks, a 3 ½' bolt with ...
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