Technical Specifications

(Final values follow customer CAD/2D drawing; below are standard manufacturing capabilities.)

Materials	POM (Acetal/Delrin), Nylon PA6/PA66, ABS, PC, PP, TPU blends, or customer-specified resin
Color	Customizable
Manufacturing Process	Precision injection mold, multi-cavity tooling
Dimensional Accuracy	Controlled to customer tolerances; tight OD/ID repeatability supported
Surface Quality	Smooth, uniform finish; no flash, burrs, sink marks, voids, or warpage
Functional Features	Snap-fit claws / inner locking tabs Anti-rotation ribs or stops Thin-wall elastic sections for retention force
Tooling Approach	Roundness-optimized cavities Balanced gating to prevent ovality Controlled cooling to minimize shrink imbalance Optional family or multi-cavity mold for cost efficiency
Quality Control	OD/ID gauge inspection Retention force and fit tests (if required) Visual cosmetic check per AQL standard

Application Scenarios

Plastic retaining rings are widely used where lightweight locking, insulation, corrosion resistance, or quiet assembly is required, such as:

Electrical and electronic devices for cable routing and component positioning

Mechanical assemblies to secure bearings, bushings, spacers, or sleeves

Lighting fixtures to lock lenses, diffusers, or internal modules

Automotive and appliance parts needing non-metal retaining solutions

Industrial equipment and tools for tube/shaft end retention

Consumer products requiring snap-fit structure with clean appearance

Why Choose

Retaining-ring-focused tooling know-how: roundness control, thin-wall filling, and elastic snap geometry

Stable high-volume molding with repeatable OD/ID and consistent retention force

Material selection guidance for stiffness, wear, heat, or chemical resistance

Fast trial iteration thanks to in-house mold manufacturing and maintenance

OEM customization flexibility: color, surface finish, logo, and packaging support

Export-ready production with professional documentation and inspection reports

Contact Us Now

Looking for a reliable supplier for custom plastic retaining rings or similar snap-fit components?
Send us your drawing or sample today and our engineers will evaluate the structure and provide a tooling and production quote.

Please share:

2D/3D files (STEP IGES STL PDF)

Material and color requirements

Target order quantity or annual volume

Usage environment and fit requirements

Any special notes (texture, assembly method, retention force)

Company Profile

BMA

Yuyao Benma Electric, established in 1997, 6,000㎡ factory in Ningbo,main business are lighting systems, thermoelectric cooling modules, and customized molds. We have ISO 9001 and SMETA , modern workshops, and patented designs, we maintain robust output and dependable global delivery.