Tunnel segment bolts are a special fastener used to connect and fasten the shield machine segments during tunnel excavation.

As a professional segment bolt supplier, Kingrail Parts can supply segment bolts of various types and sizes. We can also customize tunnel segment bolts according to customer specifications and requirements to meet your special needs.

Our Segment Bolts

1. Double-headed straight segment bolts

2. Double-headed arc segment bolts

3. Hexagonal arc segment bolts

4. Hexagonal arc thread segment bolts

5. Hexagonal flange arc thread segment bolts

6. Non-standard segment bolts Tunnel segment bolts

Material: Q235, 45# steel, 40Cr, etc.

Grade: 5.8, 6.8, 8.8

Surface treatment: hot-dip galvanizing (hot-dip galvanizing), Dacromet (commonly known as zinc-based chromate), powder shearing, multi-composite powder shearing, etc.

Why choose Kingrail Parts

1. The production plant covers an area of more than 100,000 square meters, with 120 workers and 20 technicians

2. Our segment bolts can meet international standards such as BS, UIC, DIN, etc.

3. Passed ISO9001-2008 certification

4. Customized according to your specific requirements.

5. Our railway products are exported to Asia, Europe, America, the United States, Germany, the United Kingdom, France, Thailand, Vietnam and other places.

Get more help

If you have a tunnel construction project, please contact us. We can provide you with the best segment bolt solution.