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Steel Structure High-Strength Bolts
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Struggling to find the right standard part? Let us engineer it. From automotive bolts to unique shaped components, we specialize in custom runs based on your samples or drawings.

Steel Structure High-Strength Bolts

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Our company specializes in high-strength bolts for steel structures, with specifications ranging from M12 to M36. The mainstream types are M16, M20, M22, M24, M27, and M30, which can meet the connection needs of various steel structures. The performance levels are mainly 8.8 and 10.9, including large hexagonal and torsional shear types, strictly following national standards such as GB/T 1228 and GB/T 3632. The material is selected from high-quality alloy steel, which has undergone quenching and tempering heat treatment, and has stable strength and excellent toughness.
The product is widely used in high-rise steel structure buildings, factory steel structures, bridges, grid structures, equipment bases, steel structure reinforcement, and other scenarios. It is suitable for friction-type and pressure-type connections, reliable in force, easy to install, and adaptable to the high-strength and high-safety requirements of engineering.
Shanghai Soverchannel Industrial Co., Ltd. has professional research and development and large-scale production capabilities for steel structure bolts, supporting customized drawings, non-standard customization, specification customization, and surface treatment customization to meet different working conditions and project requirements. The company has established a comprehensive quality control system throughout the entire process, from raw materials, heat treatment, precision machining, to factory inspection, ensuring stable and reliable quality, timely delivery, and providing high-performance and cost-effective fastening solutions for various steel structure projects.

About Us
Shanghai Soverchannel Industrial Co., Ltd.
Shanghai Soverchannel Industrial Co., Ltd. is a manufacturer integrating R&D, production, and sales, focusing on providing high-precision non-standard and standard fastening solutions for customers. The company has been deeply engaged in the automotive fastener industry for many years. It owns its own manufacturing plant, Nantong Jinzhai Hardware Co., Ltd., and has accumulated solid technical strength and rigorous quality control experience.

Our main products cover various high-quality bolts, nuts, steel processing parts, welding components, and customized special-shaped parts. Relying on advanced production equipment and a full-process inspection system, we are not only capable of mass-producing high-standard parts but also excel in customizing non-standard bolts and complex special-shaped components according to specific customer requirements. Over the years, we have always adhered to technology-driven development and earned trust through quality, becoming a reliable partner for numerous customers in the automotive and industrial fields.
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