Simpson GW50-R200 1/2" Dome Washer And 1/2" Step Shank Pin w/Fuel Cell, Pkg 200 Hex Head Structural Screws Metal to Metal Clip Screws

Metal to Metal Clip Screws from ST Fastening are the ideal solution for attaching standing seam roof clips to steel framing

Custom construction requiring non-standard framing angles

Fast Installation: Self-tapping

ZMAX Coating: Provides enhanced corrosion resistance

Simpson GW50-R200 1/2" Dome Washer And 1/2" Step Shank Pin w/Fuel Cell, Pkg 200 Hex Head Structural Screws Metal to Metal Clip ScrewsThe Simpson Strong Tie GW is a gas actuated 1 2" dome washer pin designed to fasten building components to concrete. The versatile GW consists of a 1 2" dome washer and a pin of 1 2", 3 4" or 1" in length. The GW is for high volume applications and can be used with common powder actuated tools for fastening into harder substrates (structural steel or extra hard concrete) when required.