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GW Gas-Actuated Washer Pin


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The 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.

Key Features

  • The minimum effective shank length must equal or exceed the sum of the thickness of the attached material and the minimum embedment depth
  • Code listed per ICC-ES ESR-2811 and Florida FL-15730
  • Designed for use with Simpson Strong-Tie® GCN-MEP tools and compatible with many other concrete nailers and PAT equipment

Related Literature

Product Information Table

Fastener Production Information and Stuff & Things
Model No. Description Length (in.) Head Diameter (in.) Shank Diameter (in.) Compatible Tools Packaging Qty. Packs/Carton
GW100-R100 1/2" dome washer with pin 1 0.300 0.125 GCN-MEPMAG 100 6
GW50-R200 1/2" dome washer x 1/2" step-shank (0.110" / 0.128") pin 1/2 0.300 0.110 / 0.128 GCN-MEPMAG 200 6
GW75-R200 1/2" dome washer with 0.125" x 3/4" pin 3/4 0.300 0.125 GCN-MEPMAG 200 6