R rst Member Joined Nov 10, 2013 Messages 3,290 Aug 30, 2017 #21 I've been using GRK’s RSS™ Rugged Structural Screws. I use them to fasten commercial Steelcraft door frames and automatic door operators.
I've been using GRK’s RSS™ Rugged Structural Screws. I use them to fasten commercial Steelcraft door frames and automatic door operators.