Flat Head has a countersunk flat head with a cone-shaped bearing surface. Used in applications where the protrusion of the fastener about the bearing surface is unacceptable. Machine threads are used in pre-tapped hole or with a nut. Brass is basically 2/3 copper and 1/3 zinc. It is nonmagnetic with high electrical conductivity. It has good corrosion resistance. Brass is commonly used by electrical and communications industries, builders hardware and some marine applications.
Price: $ 0.46
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