Introducing "Hexagon Socket Bolt" from the specialized manufacturer of socket screws, Gohso Seisakusho.
The "Hexagon Hole Bolt" is a product of Koshou Seisakusho Co., Ltd., which mainly operates in the metal products manufacturing industry. It is made from structural alloy steel and has a surface treatment of black oxide coating. A wide variety of types are available, including different pitches and thread lengths. For sizes exceeding M30, please consult us separately. 【Product Lineup (Partial)】 ■ Coarse Thread - M1.6/M5/M10/M20/M30 ■ Fine Thread - M8/M10/M16/M24/M30 *For more details, please refer to the PDF document or feel free to contact us.
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basic information
【Specifications】 ■Part Grade: A ■Material: Structural Alloy Steel ■Strength Classification: 12.9 (M1.6 to M20), 10.9 (M22 to M30) ■Hardness: 39 to 44 HRC (12.9), 32 to 39 HRC (10.9) ■Surface Treatment: Black Oxide Coating ■Screw: JIS B 0205 (Metric Coarse, Fine Thread) ■Grade: JIS B 0209-3 5g6g (12.9), JIS B 0209-2 6g (10.9) *For more details, please refer to the PDF document or feel free to contact us.
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【Usage】 ■Bolt *For more details, please refer to the PDF document or feel free to contact us.
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Company information
Gohsho Manufacturing Co., Ltd. is a company primarily engaged in the manufacturing of metal products. Since its establishment in 1931, the company has focused solely on the production of screws. Since starting the manufacture of "socket screws," it has become a specialized manufacturer in this field to this day. We have established six domestic sales offices certified with ISO 9001 and ISO 14001, and we have developed a unique sales network that includes overseas markets. Moving forward, we will continue to focus on the design, development, production, and sales of high-strength fastening products, including high-strength bolts, as well as enhancing our technical development and technical information service systems to improve fastening performance, thereby responding to the needs of various industries, including the machine tool and hydraulic equipment sectors.