In 2018 and 2019, Anyang Railway Equipment Co., Ltd. provided M24 segment tunnel bolts with the length of 1.5m and 1.2m, strength grade 8.8 hot-dip galvanizing to Guangzhou Metro Line 11.
In 2017, Anyang Railway Equipment Co., Ltd(AT) provided M30 Tunnel Segment Bolts for Shijiazhuang Metro Line 2.
In 2014, Anyang Railway Equipment Co., Ltd(AT) provided M30 Tunnel Segment Bolts for Tianjin Rail Transit Line 6.
T Head bolt has a T shape or square shape head. It’s a commonly used fastener that supply with a nut to joint the target object which has a T-shaped slot and with its T-shaped head sit flush or below the surface of the surrounding material.
Application: Segment connection Concrete tube connection Tunnel Reinforce fastening. Metro Tunnel Segment Connection. Sewage Water Tunnel segment
The tunnel bolt production line in Anyang Railway Equipment Co., Ltd(AT) is composed of all-solid-state IGBT heating equipment to heat the workpiece and automatic special thread rolling machine, the maximum output is 15,000 Pcs/day.
