A countersunk head with a flat top surface and a cone-shaped bearing surface with a head angle of approximately 82 degrees
Brass is a soft metal and can easily be warped or misshapen if it handled improperly.
Used in applications where protrusion of the fastener above the mating surface is unacceptable. U
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Brass screws have been used on marine equipment for years. The water resistant nature of this metal teams with its anti-corrosive exterior to provide a screw that lasts for a long time. The natural elements (water, sun and wind) would normally corrode regular steel or iron screws, especially the areas that are below the water level. This is why pure brass screws are a good alternative since they are more resistant to these conditions.