Stud 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 InquirySleeve Anchor Expansion Bolt is a heavy-duty fixing fastener for concrete, masonry and solid walls. Made of carbon steel with zinc plated surface, it features high strength, strong anchoring force and easy installation. It is widely used in construction, pipe, bracket, machinery and equipment fixing projects, providing stable and reliable fastening performance.
View DetailsSend InquiryDIN 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.
View DetailsSend InquiryDIN 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.
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 InquiryASTM 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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