bolting in chert

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Anonymous

bolting in chert

Post by Anonymous » Sat Sep 24, 2005 5:04 pm

i'm wanting to bolt some routes in the bluff we have at the camp i work at. the darn thing is chert - super hard rock. i've been told it will chew up any type of bit; it's probably crumbly, too. anyway, i'm looking for some tips on how to go about this. thanks.

Doug

Post by Doug » Wed Oct 05, 2005 3:53 pm

Contact Alan Jarvis: Alan.Jarvis@ReedHycalog.com. He knows a lot about drilling holes in rock.

Post by » Thu Oct 06, 2005 7:37 am

What is chert? Normal SDS bits should do the trick.

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