We achieve a stable supply of high-strength fastening and transmission components through a diverse range of know-how accumulated through creative ingenuity.

Integrated production from forming, rolling, heat treatment, to surface treatment of bolt shapes using medium carbon boron steel and alloy steel materials through cold forging and hot forging. Production of special-shaped products utilizing one of the largest cold forging machines and friction press machines in the country. Various gears are produced through a consistent process from material procurement, machining, gear cutting, carburizing, to polishing. Major products include bolts for construction machinery, various gears, cold and hot forged parts, internal combustion engine bolts for ships, and JIS hex bolts.

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