Sustainable rebolting stud bolt removal technique

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>> YOUR LINK HERE: ___ http://youtube.com/watch?v=PLl59N-HIds

Better video of the same technique here:    • Sustainable re-bolting: stud bolt rem...   • Update on technique: instead of striking the bolt with a hammer to release the collar, put the spinner tool on and start the spinning by using 'hammer mode'. Once it gets going you can switch to rotary mode. Striking with a hammer is more likely to drive the bolt too deep into the rock and you might not have enough threads protruding afterwards... • How-to clinic on climbing anchor replacement. • This shows a bolt removal from start to finish and explains the strategy behind it without getting too bogged down in the technical details of the tools.

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