A variety of products are available, including twisted rebar lock bolts and deformed bar lock bolts!
Our company handles "rock bolts" suitable for the NATM method, solving issues related to workability and adhesion. We offer a lineup that includes "twisted bar steel rock bolts," "deformed bar steel rock bolts/sewing bolts," and "screw bar rock bolts/high-strength rock bolts." Using deformed bars and screw bars manufactured consistently at JFE Steel Corporation's Mizushima Works, specialized factories process them under unique quality control to ensure stable supply. 【Features of Twisted Bar Steel Rock Bolts】 ■ Made from deformed bars manufactured consistently under sufficient quality control ■ Provides stable strength ■ Has stable yield strength ■ Excellent adhesion strength ■ Easy insertion into boreholes *For more details, please refer to the PDF document or feel free to contact us.
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basic information
【Lineup】 ■ Twisted rebar lock bolts ■ Deformed bar lock bolts/sewing bolts ■ Screw bar lock bolts/high-strength lock bolts ■ Accessories for lock bolts ・ Lock fasteners ・ Joint couplers ・ Lock bolt pull-out test fixtures *For more details, please refer to the PDF materials or feel free to contact us.
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【Usage】 ■NATM Method *For more details, please refer to the PDF document 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.