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Hex Head Bolt (Partial Thread)
This product features a hexagonal head and a semi-threaded screw structure, cold-forged for precision threads, a smooth shank for positioning, and a hexagonal head for easy wrench gripping. It offers strong torque transmission and is suitable for various assembly scenarios. The full range covers mainstream systems, is readily available, and features multiple rust-proof surface treatments. It undergoes quality control, complies with environmental regulations, and can provide compliance documentation. Custom thread lengths are also supported.
- Executive Standard
- Specification Range
- Grade & Strength
- Common Materials
- Surface Treatment
- Surface Treatment
- Industry Classification
GB/T 5782; ISO 4014; ANSI/ASME B18.2.1; DIN 931; Fine thread conforms to GB/T 5785 and ISO 8674
Metric: M1.6~M64, length 8mm~600mm, semi-threaded structure (screw divided into threaded section and smooth section), thread tolerance 6g, full coverage of coarse/fine threads, thread section length can be customized according to standard or customer requirements; Imperial: thread size #2-56~2"-12, nominal length 1/4"~24", compatible with UNC/UNF American standard thread system, thread section length conforms to American standard.
Carbon steel grades 4.8, 6.8, 8.8, 10.9, and 12.9; stainless steel grades A2-50, A2-70, A4-70, and A4-80; non-ferrous metals grade not lower than 4.8.
High-quality low-carbon steel, medium-carbon steel, alloy steel, 304 stainless steel, 316 stainless steel, brass, aluminum alloy, etc.
Environmentally friendly blue-white zinc, colored zinc, black zinc, environmentally friendly nickel plating, zinc-nickel alloy plating, Dacromet coating, electrophoresis, PVD, stainless steel natural color, stainless steel passivation, etc.
Suitable for applications such as machinery manufacturing, equipment assembly, steel structures, and automotive parts, it is ideal for scenarios requiring partial threaded engagement and partial smooth rod positioning, providing precise positioning and robust connections.
Do you need non-standard fasteners, precision metal parts, or custom structural components for a specific application?
Yongji helps you develop and manufacture special parts and custom products based on your drawings, samples, technical requirements, and target application scenarios.
Whether you need prototype quantities, pilot production, or stable mass supply, we provide an integrated solution from engineering review to production and delivery.
From fasteners to structural parts, Yongji offers integrated development and manufacturing for a wide range of custom precision hardware products.
Whether you need a few pieces for validation, small batches for development, or large volumes for mass production, we can support your project at different stages.
With integrated manufacturing resources in China and Vietnam, Yongji helps customers achieve stable quality, scalable production, and reliable delivery.
Yongji Precision Hardware is a global manufacturer specializing in precision fasteners and metal structural components. We are China Hex Head Bolt (Partial Thread) Suppliers and Wholesale Hex Head Bolt (Partial Thread)Exporter && Company. Founded in 2003, the company has over two decades of experience serving international OEM and ODM customers across multiple industries.
With integrated manufacturing capabilities including cold heading, stamping, CNC machining and sheet metal fabrication...
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