The ends of rail screw spikes are manufactured according to GB2. The forging burst cracks on the surface of the railway screw spikes are not allowed to extend to the shaft. The upper thread of screw spikes is not allowed to have bumps and burrs that hinder the free screwing of the thread gauge, and it is not allowed to have double cusps, scratches and incomplete threads that affect the use. The lower thread of railroad screw spikes should be neatly shaped, and the thread should be complete, and no splitting marks are allowed. The surface of the rail screw spikes is not allowed to have dents, burrs, flashes, burns and oxide scales that affect the use.
The basic information about rail screw spikes is here. I hope you can learn more about rail screw spikes through this information. Of course, as a professional manufacturer of railway fasteners, Kingrail Parts not only provides rail screw spikes, but also other types of railway screw spikes. Therefore, no matter what kind of railway screw spikes you need to buy, you can contact Kingrail Parts. Our company has Ability and strength to meet your needs.