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Lag bolts are large wood screws with hexagonal heads often called a lag screw.
The most common stainless steel for general hardware use.
A low carbon steel for general use. Zinc plated for moderate corrosion resistance.
A low carbon steel for general use. Hot dipped galvanized (A153) for very good corrosion resistance.
Solid bronze. An alloy of copper with greater strength and corrosion resistance than brass. Exact color varies.
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