Two types are available depending on the size of the two-sided width! Stable torque management during tightening is also possible.
We would like to introduce our "Hex Bolts," which are heat-treated to high strength and possess stable quality. Hex head bolts come in two types based on the width across the flats. The applicable strength classifications are 4.6, 8.8, and 10.9. At Teikoku Seibyo, we can manufacture bolts in various sizes according to user needs. Additionally, since October 1993, our company has been producing high-strength hex bolts with a diameter of 10.9 (JIS standard) using advanced heat treatment technology that leverages hot forging techniques (with a maximum shank length of 1,000 mm). 【Features】 ■ Hex bolts (8.8, 10.9) are made from chromium-molybdenum steel (SCM435, 440) and nickel-chromium-molybdenum steel (SNCM439). ■ They are heat-treated to high strength using state-of-the-art heat treatment equipment, ensuring stable quality (8.8, 10.9). ■ When combined with nuts, they allow for stable torque management during tightening. ■ JIS mark certification (JIS B1180). *For more details, please refer to the PDF document or feel free to contact us.
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basic information
【Types】 ■ Standard Hex Bolt (Regular Hex Bolt) ■ Small Hex Bolt (Bolt with a head width smaller than that of the standard type) *For more details, please refer to the PDF document or feel free to contact us.
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Applications/Examples of results
【Application】 ■Large Machinery ■Civil Engineering ■Vessels *For more details, please refer to the PDF document or feel free to contact us.
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The fusion of ancient techniques and modern technologies. Believing that "years of experience lead to great creativity," we have adopted the slogan "We want to meet the next needs" and aim to advance as a company capable of creation, production, and research. Your information, suggestions, questions, and requests will guide us toward further growth. We aspire to be a company that thinks and creates together with our customers, so please feel free to contact us with anything.