We handle lock bolts that solve issues related to workability and adhesion!
We process and sell rock bolts from JFE Steel Corporation. We have developed rock bolts suitable for the NATM method, solving issues related to workability and adhesion. Using deformed steel bars manufactured consistently at JFE Steel Corporation's Mizushima Plant, our specialized factory processes them under unique quality control to ensure stable supply. 【Products】 ■ Twisted bar rock bolts ■ Deformed bar rock bolts / Stitching bolts *For more details, please download the PDF or feel free to contact us.
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basic information
[NATM Method] It has excellent support performance, is economical, and allows for repair work while utilizing existing tunnels, with the added feature of shortening construction time. It is a method that is currently receiving particular attention. *For more details, please download the PDF or feel free to contact us.*
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Company information
Nagai Steel Industry Co., Ltd. engages in the sale of various steel materials and steel plate processing (shearing, flame cutting, laser cutting), as well as processing of shaped steel and bar steel (cutting, drilling, beveling, shot blasting), among other services. We cater to both retail and large-scale orders. Please feel free to contact us with any inquiries.