Vertical caving terminology and methods > Ice and snow
A type of drill bit with a deeply cut spiral flute, designed to remove more material than a normal drill bit. These are generally not used for normal bolting, and are reserved for use in ice caves or glacier caves, to drill long holes into ice, for use as an Abalakov thread, or to insert a stake which can then be frozen into place by adding water. These can be powered by a drill, or a handheld auger, which is a long auger bit with a crank handle, which is turned by hand to create a drilling action.
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