Arc’teryx Ambassador Athlete Roger Strong gives the beta on placing a bomber ice screw.
Find out more about Roger Strong on his Arc’teryx page:
https://arcteryx.com/Athlete.aspx?RogerStrong
S.A.E or Metric – the tricks I show you here are the same. The first thing is to prevent rounding out the head ( plugs, bolts, screws) in the first place. But if you do get one that the hole is rounded out in the hex corners, this video will explain a way to get it out!