
This product is an open-type elastic retaining ring, symmetrically structured with shaft retaining rings. It is formed by stamping spring steel and assembled using a snap ring clamp, ensuring reliable positioning without affecting the bore diameter. It is suitable for quick assembly of various hole types. The full series includes standard and ear-type models, covering mainstream systems. It is readily available, rust-proofed for corrosion resistance, and undergoes quality control. Compliance documentation can be provided, and non-standard customization is supported. It is suitable for hydraulic, pneumatic, and other fields.
GB/T 893.1; ISO 898-2; DIN 472; ANSI/ASME B18.21.2.
Metric: Hole diameter D1 5mm~200mm, thickness 0.6mm~5.0mm, opening width 2mm~20mm, matching slot size conforms to the corresponding standard. Imperial: Hole diameter 3/16"~8", thickness 0.024"~0.2", opening width 1/16"~3/4".
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.
Cylinders, bearing housings, motor housings, etc., are used for axial positioning of hole-type parts, restricting the movement of parts inside the hole, eliminating the need for additional thread machining, and reducing costs.
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 Internal Circlip Suppliers and Wholesale Internal CirclipExporter && 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...