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Countersunk Machine Screw
This product features a cross-groove and countersunk head structure, cold-forged for precision threads, and a countersunk head angle adapted to the workpiece's countersunk hole. After installation, it is flush with the workpiece surface for a neat and aesthetically pleasing finish. The cross-groove facilitates tool tightening and is suitable for light-duty assembly. The full range covers mainstream specifications, with readily available stock. Surface rust prevention treatment is provided, and the product undergoes quality control, complies with environmental regulations, and can be accompanied by compliance documentation. Custom lengths and countersunk head angles are also supported.
- Executive Standard
- Specification Range
- Grade & Strength
- Common Materials
- Surface Treatment
- Surface Treatment
- Industry Classification
National Standards GB/T 819.1 and GB/T 819.2; International Standard ISO 10642; American Standard ANSI/ASME B18.6.3; German Standard DIN 965
Metric: M1.0-M12, length 2mm-100mm; Imperial: #0-80~#14-20, length 1/16"-4", full thread, coarse/fine thread optional.
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.
For electronic devices, home appliances, furniture, decorative parts, etc., suitable for connection scenarios with high aesthetic requirements, the countersunk head design allows the screw head to be flush with the workpiece surface without protruding.
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 Countersunk Machine Screw Suppliers and Wholesale 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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