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. (The maximum length of the neck can be up to 1,000mm.) 【Features】 - The quality is stable due to high-strength tempering with advanced heat treatment equipment. - By combining with nuts, stable torque management during tightening is possible. *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 forging 【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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