Vertical caving terminology and methods > Rigging methods and equipment
A permanent metal anchor glued into the wall with resin, shaped like a letter P. The best stuff, being far stronger than other types of common anchor, and the most reliably resistant to abrasion. The hole is first drilled into the wall using an electric drill.
<< Spit bolt, spit nut, spits, spit anchor, self-drilling anchor | Through bolt, expansion bolt, rawl bolt, wedge bolt, sleeve bolt >>
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