High-strength bolts (cold forging, hot forging, thread rolling, heat treatment, surface treatment)

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last updated：Jan 31, 2022

共和工業所営業

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No.1 share for construction machinery bolts! Established a consistent production system from materials to heat treatment.

Kyowa Kogyo Co., Ltd. is a specialized manufacturer of high-quality bolts. The raw materials used are sourced from major domestic blast furnace and electric furnace manufacturers, and we establish a close collaboration system by providing feedback on processing information to the steel manufacturers and jointly discussing specifications. In addition to high-quality bolts, we also offer various know-how related to steel processing, including solid and hollow bolts, and special shape processing. 【Business Activities】 ■ Hex bolts ■ JIS B 1176 hex socket bolts ■ Special bolts for construction machinery ■ Internal combustion engine bolts ■ Cold forged parts for automobiles, etc. *For more details, please download the PDF or feel free to contact us.

Related Link - http://www.kyowakogyosyo.co.jp/index.html

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【Equipment (Partial Excerpt)】 ■ Bolt Former ■ Parts Former ■ Vertical Press ■ Rotary Rolling Machine ■ Friction Press ■ Screw Press ■ NC Lathe ■ NC Grinding Machine ■ Machining Center ■ Hob Machine, etc. *For more details, please download the PDF or feel free to contact us.