SUYU specializes in producing rail fastening products and tunnel bolt is one of our main products. Shown below are some of our main tunnel bolt products.

1. HS26/HS32 tunnel bolts for ribbed base plate are available in various dimension as below, as per UIS864-2
Material: Q235, 35# and 45#
Grade: 4.6, 5.6, 8.8
Surface: Plain, black painting
MOQ: 5000PCS
Packing: Plastic bags and wooden pallets or according to clients' requirement

2. We produce large quantities of tunnel bolts including tunnel boltand inserted bolt for the Russian market
Material: Q235, 35# and 45#
Grade: 4.6, 4.8, 5.6, 8.8
Surface: Plain, black painting
MOQ: 5000PCS
Packing: Plastic bags and wooden pallets or according to clients' requirement

3. We produce rail bolt and tunnel bolt for concrete sleeper and crane rail. The diameter is 18mm and 22mm, its length varies from 125mm to 195mm, the tunnel bolt material is in accordance with UIC864-2, and the grade is 4.5 and 5.6.

4. We can also produce the special clip type tunnel bolt according to our customers' requirement
Material: Q235, 35# and 45#
Grade: 4.6, 4.8, 5.6, 8.8
Surface: Plain, black painting
MOQ: 5000PCS
Packing: Plastic bags and wooden pallets or according to clients' requirement

Sticking to our quality first policy, SUYU pays great attention to quality control management. We have been granted ISO9001-2008 certificates and have received the production license of China's Railway Ministry on railway products. We have a full set of inspection instruments to ensure all our tunnel bolt products are of high quality and up to customers' requirements.

As a leading manufacturer of rail fastening based in China, SUYU also produces many other railway fasteners, such as track bolt, track spike, sleeper screw, rail anchor, rail joint bar, tie plate, rail clip, elastic rail clip, SKL tension clamp, rail shoulder, and so on.