Bolt
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DIN 603 Carriage Bolt
DIN 603 Carriage Bolt in grade 4.8, 8.8 and stainless steel A2. Widely used for guardrail, furniture, steel structure and wooden structure connection. Multiple finishes available.
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DIN 6914 Large Hex Head Structural Bolt
DIN 6914 Large Hex Head Structural Bolt for steel construction and engineering. Available in 8.8/10.9 grades, with HDG, black, or zinc finish. Used with DIN 6915 nut and DIN 6916 washer.
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DIN 933 Hex Bolt
DIN 933 Hex Bolt: The Universal Metric Fastener for Global Engineering (2026) In 2026, DIN 933 fully threaded hex bolts remain one of the most widely used standard fasteners across machinery, construction, automotive, and steel structure industries. As a metric benchmark equivalent to ISO 4017, DIN 933 defines consistent dimensions, threading, and performance for global assembly and repair projects. This article introduces key features, grades, applications, and supply advantages of DIN 933 bolts, helping international buyers make informed sourcing decisions. Market data shows metric standard bolts account for more than 60% of global industrial fastener demand, with DIN 933 representing a major share due to its full‑thread design and wide compatibility. Supported by ISO 898‑1 mechanical requirements, DIN 933 bolts ensure reliable clamping, easy installation, and interchangeability worldwide. Steady demand from Europe, Southeast Asia, and Oceania further drives the popularity of this versatile fastener.
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ASTM A490 Type 1 Heavy Hex Structural Bolt
ASTM A490 Type 1 Heavy Hex Structural Bolt is a high‑strength structural fastener made from alloy steel, offering higher tensile strength than A325. Commonly used in heavy steel structures, high‑rise buildings, bridges, and industrial facilities. Complies with ASTM A490 Type 1 standard. Black oxide finish is standard; other coatings are available on request.
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Stainless Steel Flange Bolts
As a professional Stainless Steel Flange Bolts manufacturer and supplier in China, our factory has the latest technology and production equipment, which can provide customers all over the world very good service.We are Ningbo Gangtong Zheli Fasteners Co., Ltd., with over 20 years of experience in fastener research, development, and manufacturing. We are a source manufacturer specializing in high-quality stainless steel fasteners.
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Square Head Flange Bolts
Gangtong Zheli professionally produces high-quality Square Head Flange Bolts. Our factory also provides customized services and free samples for you. We are a source factory with over 15 years of experience in fastener manufacturing. For many years, we have been deeply involved in the industry, serving global construction contractors, wood processing plants, and heavy equipment manufacturers. Based on our deep understanding of various real-world working conditions, we know that the gripping force of the square head and the anti-loosening performance of the flange are crucial for ensuring project safety.
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Gangtong Zheli Fasteners is a professional China Bolt manufacturers and suppliers which provide customized service of Bolt. We have own factory, can provide you with a satisfactory price.. Welcome to buy high quality products from us. Let us cooperate with each other to create a better future and mutual benefit.
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