M3x0.5, M8, M16, M10, M12
1 3/8", 9/16", 5/32", 1/8", 1 5/8"
Aluminum, Brass, Steel, Nylon, Plastic, Titanium
Low-Profile Standard, Flanged Button, Standard, Flanged Standard, Ultra-Low-Profile Standard
Zinc Plated, Zinc Yellow, Plain, Black Oxide, Blue Phosphate
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