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flat head notch plusnut spec: m3-m12 zinc plated: colorful , white and blue ,black type: body with open notch, head with notch we use cold forged technique, not only save materials,good looking but also loading force, shearing force and torque force all reach international standard. Our products widely use in furniture, car, ship, electron and other fittings of industrial products. types: flat head ,countersunk head, round body, hex body, open end, closed end, body with ribben, body with groove and so on . also we can produce according to your drawing if we can do . specification:M3 ,M4 ,M5, M6, M8 ,M10 ,M12, inch: 5/32 3/16,1/4,5/16,3/8 . material: steel, stainless steel, brass,aluminium