Simpson GTH-R200 Top-Hat Pins, Pkg 200 GDP Gas Actuated Concrete Pins W/ Fuel Cell Simpson fiber-cement siding nails are

Simpson fiber-cement siding nails are designed expressly for application of various lap and panel siding materials made of fiber-cement composites

offering a fast and reliable solution for overhead installations

General Wood Construction: Suitable for a variety of framing applications

Durable EPDM rubber construction: Ensures superior weather and UV resistance

and other wood-to-wood projects

Simpson GTH-R200 Top-Hat Pins, Pkg 200 GDP Gas Actuated Concrete Pins W/ Fuel Cell Simpson fiber-cement siding nails areThe GTH is a gas actuated top hat pin designed to fasten building components, such as cold formed steel framing members, to concrete. The versatile GTH consists of a 1" smooth shank pin and aluminum top hat washer for fast loading and centering of the pin in the nosepiece of the tool. The GTH 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)