Sundream groups tunnel/segment bolts are built to perfection. We have worked with big name clients on many major tunnel projects in India and have designed our products to the highest of standards.
Our products include:

-Spear bolts and sockets
-Curved tunnel bolts/banana bolts
-T-Head bolts
-Rock bolts
-Customized bolts
-U-bolts
Visit: https://www.sundreamgroup.com/products/tunnel-segment-bolts