Bolt (climbing)

A bolt, bolt hanger, carabiner, and rope employed as a climbing protection system

In rock climbing, a bolt is a permanent anchor fixed into a hole drilled in the rock as a form of protection. Most bolts are either self-anchoring expansion bolts or fixed in place with liquid resin.

While bolts are commonplace in rock and gym climbing there is no universal vocabulary to describe them. Generally, a bolt hanger is a combination of a fixed bolt and a specialized stainless steel hanger designed to accept a carabiner, whereas in certain regions a bolt runner describes a hangerless bolt (where the climber must provide their own hanger bracket and lock nut).

单词	Climbing bolt
释义	Climbing bolt 英语百科 Bolt (climbing) In rock climbing, a bolt is a permanent anchor fixed into a hole drilled in the rock as a form of protection. Most bolts are either self-anchoring expansion bolts or fixed in place with liquid resin. While bolts are commonplace in rock and gym climbing there is no universal vocabulary to describe them. Generally, a bolt hanger is a combination of a fixed bolt and a specialized stainless steel hanger designed to accept a carabiner, whereas in certain regions a bolt runner describes a hangerless bolt (where the climber must provide their own hanger bracket and lock nut).
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Climbing bolt

Bolt (climbing)