Tap bolts
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Material and Type
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Stainless steel 18-8
A corrosion resistant steel alloy. The most common stainless steel for general hardware use.
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Zinc plated steel
A low carbon steel for general use, either Grade 2 or A307A. Zinc plated for moderate corrosion resistance.
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Zinc plated grade 5 steel
A tempered medium carbon steel. Zinc plated for moderate corrosion resistance. Grade 5 falls between grade 2 and grade 8 in strength, and is commonly found in automotive applications.
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Silicon bronze
Solid bronze. An alloy of copper with greater strength and corrosion resistance than brass. Exact color varies.
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Nylon 6/6
A general purpose nylon often used in fasteners for corrosion resistance.
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