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A hex bolt, also known as a hex cap screw, is a type of fastener characterized by its hexagonal head and a cylindrical body with external threads. These bolts are designed for use with wrenches or sockets that fit the hexagonal head, providing a strong and secure fastening solution.
Hex bolts are known for their strength, stability, and versatility, making them a dependable choice for a wide range of applications. The selection of hex bolt size, material, and length depends on the specific requirements of the task at hand.
Featured as Hex Bolt for Pipeline & Structural Fastening, these bolts are manufactured from premium carbon steel with robust Dacromet coating to withstand corrosive outdoor surroundings. Accurate thread rolling guarantees tight assembly and anti-loosening performance under long-term load. Various standard sizes and flexible customized finishes meet demands of pipeline, steel construction and photovoltaic projects. Ningbo Gangtong Zheli Fasteners keeps abundant in-stock items for prompt bulk delivery worldwide.
View DetailsSend InquiryStud Bolt for Pipeline & Flange Fastening Connection is designed for high-pressure flange joint in petrochemical, refining and pressure vessel systems. Its precise thread dimension ensures reliable tightness under fluctuating pressure; hot-dip galvanizing or PTFE coating enables the product to pass over 500h neutral salt spray test against chemical corrosion. Available from M16 to M64, it fits most international standard flanges for industrial piping. Ningbo Gangtong Zheli Fastener Co.,Ltd delivers inspected finished items for global engineering procurement.
View DetailsSend InquiryDIN 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.
View DetailsSend InquiryGangtong Zheli is a famous m30 hex bolt manufacturer and supplier in China. If you want to buy high-quality and the newest products, please contact us immediately. M30 Hex Bolt strictly adheres to international and national standards such as ISO 4014, DIN 931, and GB/T 5782, offering various strength grades including 8.8, 10.9, and 12.9. It supports full-thread, half-thread, and flanged head configurations, adapting to different connection thicknesses and working conditions, making it a reliable "industrial joint" for large-scale engineering projects.
View DetailsSend InquiryThe flat head hex bolt in stock are cheap and of high quality. You can wholesale it at the right price from Gangtong Zheli, which is a leading manufacturer and supplier from China. Flat Head Hex Bolt strictly adheres to international and national standards such as ISO 10642, DIN 7991, and GB/T 5786. Manufactured from high-quality carbon steel, alloy steel, or stainless steel, it offers a variety of thread sizes (e.g., M3-M20), lengths (10mm-200mm), and surface treatment options to meet installation requirements under different working conditions.
View DetailsSend Inquirym20 high tensile bolts manufacturer and supplier in China, as a factory, we can make customized products with CE for wholesalers. Contact us to get a quotation. The Gangtong Zheli m20 high tensile bolts are available in various strength grades, including 8.8, 10.9, and 12.9, and support different structural forms such as hexagonal head, flanged, and fully threaded, meeting the assembly requirements of various engineering applications.
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