a fiber reinforced plastic bolt and a method for producing the same are disclosed . the frp bolt is useful in the industrial areas which require a bolt having electric - insulation , anti - corrosive , thermal - insulation , and non - magnetic properties . the method for producing the frp bolt includes the steps of : winding a prepreg around a surface of an internal body , wherein the internal body includes a first reinforcing fiber which is unidirectionally aligned along the axis of the bolt , and a synthetic resin which is impregnated into the first reinforcing fiber , and the prepreg includes a second reinforcing fiber and a thermosetting resin which is impregnated into the second reinforcing fiber ; forming a fiber reinforced plastic round bar by heat - hardening the prepreg ; and forming a screw thread on the surface of the fiber reinforced plastic round bar .