Simpson 1/2 in Dome Washer with 1/2 in Pin GW50-R200 Self-Drilling E Metal Screw Installation Fasteners: Install with (4

Installation Fasteners: Install with (4 - 9) #12 self-drilling screws to CFS framing

and 3/8" full round head are designed to fasten roofing substrates securely while providing a broad bearing surface over the material

Testing shows that mixing with the Optimix nozzle is 4 times more consistent than a standard spiral mixing nozzle

Finish: Hot-Dip Galvanized

Simpson 1/2 in Dome Washer with 1/2 in Pin GW50-R200 Self-Drilling E Metal Screw Installation Fasteners: Install with (4The Simpson Strong Tie GW50 R200 is a gas actuated 1 2" dome washer pin engineered to securely fasten building components to concrete. Combining a 1 2" dome washer with a 1 2" pin, this zinc finished carbon steel fastener is purpose built for high volume fastening applications. It is compatible with common powder actuated tools and delivers reliable performance when fastening into harder substrates such as structural steel or extra hard concrete. Key