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Hexagon Countersunk Machine Screw
Suitable for precision electronics, high-end home appliances, automotive parts, molds, and other applications, this product is designed for connection scenarios that require high levels of tamper resistance, precision, and aesthetics. The countersunk design is flush with the surface of the workpiece.
- Executive Standard
- Specification Range
- Grade & Strength
- Common Materials
- Surface Treatment
- Surface Treatment
- Industry Classification
National Standard GB/T 2670.1-2017; International Standard ISO 14584:2011; American Standard ANSI/ASME B18.6.3; German Standard DIN 34800; Countersunk head angle 90° (National Standard/European Standard), 82° (American Standard); Torx groove conforms to ISO 10664 standard; dimensional tolerances conform to GB/T 3103.1 Class A precision standard.
Metric specifications: Thread sizes M1.6~M10, nominal length 3mm~80mm, full thread structure, T5~T40 groove sizes fully covered; Imperial specifications: Thread sizes #2-56~#14-20, nominal length 1/8"~3", compatible with UNC/UNF American standard thread systems, 82° countersunk angle.
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.
Threads M1.6~M10, length 3mm~80mm, countersunk head angle 90°, head diameter 4mm~15mm, plum blossom groove T5~T40; Imperial: thread #0-80~#10-32, length 1/8"~3".
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 Hexagon Countersunk Machine Screw Suppliers and Wholesale Hexagon Countersunk Machine ScrewExporter && 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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