The screw spike production line in Anyang Railway Equipment Co., Ltd(AT) is composed of automatic multi-station cold upsetting machine and thread rolling machine, the maximum output is 60,000 Pcs/day.
Anchor bolts in the railway construction are used to fix the track fastening systems with other rail fasteners to fix the steel rails, the anchor bolts are inserted into the concrete base to hold the rail in place, and the top portion of the anchor bolt is embedded in the concrete base.