Flat heads are countersunk (cone shaped under the head) with a flat top. Square drive is designed to reduce the risk of cam-out (stripping) and allow single-handed installation.
The most common stainless steel for general hardware use.
Heat treated for adequate strength. Zinc plated for moderate corrosion resistance.
Pan heads are slightly rounded with short vertical sides. Phillips drive is x-shaped for installation with a phillips screw driver.
The most common stainless steel for general hardware use.
The most common stainless steel for general hardware use. Heads are painted white.
The most common stainless steel for general hardware use. Heads are painted black.
A highly corrosion resistant grade of stainless steel. Ideal in salt water and chlorine environments. More expensive than 18-8.
Heat treated for adequate strength. Zinc plated for moderate corrosion resistance.
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