... high-rise buildings, civil span. Structural steel tower masts and other friction-link project. I bolt steel companies choosing the ... used for caterpillar, komatsu, hitachi, kobelco, daewoo, kato, hyundai, samsung, sumitomo, mitsubishi, etc.Specifications Size from: M5 - M42 Length ... , nuts, threaded rod, anchor bolt, nail, other off-standard fasteners and following to the drawers of products, which are ...