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RSS Structural Screws by GRK are an easy to use lag screw alternative and work for numerous construction applications. They also work well for the tops of tribeams and knee braces commonly used in our treehouse kits. We sell them each and in packs of 400. ACQ Compatible - good for treated wood products. 3/8"" screw shaft Aggressive threading really grabs & draws materials together Capped head acts like a small built in washer Fits many of the brackets on our website.
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We currently ship within the US, with more countries coming soon.
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🇺🇸 Ship from USA · On Agora since 2026
$414.95