DIY Home Improvement Forum banner
superstrut
1-1 of 1 Results
  1. Building & Construction
    I'm using Unistrut/Superstrut and need to double up. I plan on joining the backs to create the rails on both sides. What is the best bolt size to join the two together? Should I use the 1/2 or 3/8 bolts? Do I use regular washers or the special square ones? How long should they be?
1-1 of 1 Results
Top