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Cotter Pins
This product features a U-shaped opening structure, made of carbon steel/stainless steel, cold-forged, with a sharp opening. After inserting the pin into the hole, the opening can be bent for secure fixing, making installation convenient and reliable, and it is a commonly used safety fastener. The full range covers mainstream specifications, is readily available, has a rust-proof surface treatment, undergoes quality control, meets industry standards, and material testing reports are available. Custom sizes are also supported.
- Executive Standard
- Specification Range
- Grade & Strength
- Common Materials
- Surface Treatment
- Surface Treatment
- Industry Classification
National Standard GB/T 91; International Standard ISO 1234; American Standard ANSI/ASME B18.8.1; German Standards DIN 94 and DIN 11024; Japanese Standard JIS B 1351; dimensional tolerances conform to GB/T 3103.1
Metric specifications: nominal diameter φ0.6mm~φ20mm (compatible with pin hole diameter), nominal length 4mm~200mm, with round head, flat head, and chamfered head types; Imperial specifications: nominal diameter 1/64"~3/4", nominal length 1/8"~6", compatible with American standard universal pin assembly systems.
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 use with slotted nuts and pins in mechanical transmission, automotive parts, heavy equipment, ships, etc., to prevent nuts and pins from loosening and to provide a safety function.
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.
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Yongji Precision Hardware is a global manufacturer specializing in precision fasteners and metal structural components. We are China Cotter Pins-Turned & Misc Parts Suppliers and Wholesale Cotter Pins-Turned & Misc PartsExporter && 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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