Are Dirty Holes Bad For Mechanical Bolts

Podobni Video posnetki:
Hiking to Slættaratindur in the Faroe Islands
Slættaratindur is the highest mountain in the Faroe Islands, at an elevation of ...
Slættaratindur
Video by Loftmyndir: https://web.facebook.com/loftmyndir.foroyar----------------...
2 HRS | Nature Relax Video, Summer Scenery | Mount Rainier National Park
Do you plan your trip and want to find a beautiful place with breathtaking views...
Saba, Dutch Caribbean | Hiking the Mount Scenery Trail
Come with us as we hike The Mount Scenery Trail, one of Saba Island's most popul...
'Avatar' Mountain & Wulingyuan Scenic Area, Zhangjiajie, China Ultra
One of the most stunning and beautiful places in the world, the Wulingyuan Sceni...
Opis:
We are supposed to clean holes we drill in rock before installing bolts. We already tested glue in bolts with epoxy and found it to be super strong enough. Now we are testing mechanical bolts in this video