Square Head Knurled Flange Double Head Bolts

**Double Head Bolt Stud for Automotive Industry** **Application:** Used in machinery and automotive industry, these double head bolt studs are ideal for heavy-duty applications where high strength and durability are required. **Finish:** Dacromet coating is applied to ensure excellent corrosion resistance and long-lasting performance. **Customization:** Available in custom sizes, materials, and finishes according to specific customer requirements. **Trademark:** Kinsomfastener – a trusted brand known for quality and precision. **Transport Package:** Custom packaging options available to meet shipping and storage needs. **Specification:** Sizes ranging from M6 to M12, suitable for various industrial applications. **Origin:** Manufactured in China, known for its advanced manufacturing capabilities and cost-effective production. **HS Code:** 7318150000 – for international trade and customs clearance. --- **Product Specification:** - **Head Type:** Six-lobe head at each end, made from carbon steel AISI 10B21 or other steel grades such as #1022A SWRCH22K - **Non-Standard Design:** Customized bolts tailored to specific project needs - **Manufacturing Process:** Cold forging ensures high strength and dimensional accuracy - **Core Hardness/Grade:** 8.8 class, meeting ISO 898-1 standards - **Hydrogen Embrittlement Free:** Ensures structural integrity under stress - **Size Options:** M5.5, M7, M6, M8 (custom sizes available) - **Go/No-Go Gauge:** Ensures proper fit and function - **Thread Type:** Machine thread, suitable for general industrial use - **Finish:** Aluminum coating type S439, with a grey silver color - **Marking:** Standard marking "KS" or customized per client request - **Industries:** Widely used in building construction, automotive, and other sectors - **Customization:** Size and material can be adjusted based on your specific requirements --- **About Shanghai Kinsom Precision Hardware Co., Ltd.** Shanghai Kinsom Precision Hardware Co., Ltd. offers a wide range of fasteners, including screws, bolts, nuts, rivets, and special types. We specialize in producing custom fasteners based on client specifications and can also manufacture products to meet various custom grades. Our products serve a broad range of industries, from machinery and curtain walls to construction and electronics. Our cold-forged fasteners are ideal for diverse applications such as bridges, buildings, air conditioners, washing machines, tools, and the automotive industry. We work with a variety of materials, including aluminum, carbon steel, brass, and stainless steel. We also offer heat treatment and surface finishing services to meet unique customer requirements. With multiple finishing options available—such as nickel, brass, zinc plating, chrome, color coating, and galvanizing—we ensure our fasteners meet international standards like JIS, ISO, ANSI, DIN, and GB. At Kinsomfastener, we maintain high industry standards and continuously strive to provide premium-quality, customizable fasteners. Visit our website or contact us today to learn more about our products and how we can help meet your specific needs. ![Square Head Knurled Flange Double Head Bolts](http://i.bosscdn.com/uploads/03/e9/9f/30abd56aa3ea93a03cc43b9d48.jpg) ![Square Head Knurled Flange Double Head Bolts](http://i.bosscdn.com/uploads/f2/e9/0c/11ec7475c1053945dffaee7ff9.jpg) ![Square Head Knurled Flange Double Head Bolts](http://i.bosscdn.com/uploads/46/c4/fe/bd2e6a150285fe08ede1018ce2.jpg)

Vertical Machining Center

Jiangsu Minnuo Machinery Manufacturing Co., Ltd. , https://www.minnuoindustry.com