Large bolts used for heavy machinery and construction equipment.
The "hex bolt (6.8)" is a bolt used in large machinery, civil engineering, and shipbuilding. Hex head bolts come in two types based on the width across the flats: standard hex bolts and small hex bolts. In addition to hex bolts (6.8), we also offer hex bolts (4.6, 8.8, 10.9, 12.9). Our company can manufacture bolts in various sizes according to user needs (with a maximum shank length of 1,000mm). 【Features】 ○ The quality is stable due to high-strength tempering with advanced heat treatment equipment. ○ Stable torque management during tightening is possible when combined with nuts. *For urgent or emergency inquiries, please contact us through our website for technical questions.
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basic information
【Material】 ■ Carbon steel for mechanical structures ■ Carbon steel wire for cold heading 【Grade】 ■ Mechanical properties: JIS B 1051 Strength classification 6.8 ■ Screw grade: 6g according to JIS B 0209 ■ Finish level: Medium 【Surface Treatment】 ■ Black oxide coating ● For more details, please contact us or download the catalog.
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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.