Spring Ball Quick Release Folding Hinge Axle
Alloy Steel bicycle Spring Ball Quick Release Folding Hinge Axle - Axles & Pivots
Alloy Steel Spring Ball Quick Release Folding Hinge Axle. Built for OEM bicycle assembly with traceable material and consistent quality.
01 Dimensions & Tolerances
Core dimensions are controlled for repeatable bicycle frame assembly. Custom dimensions, tolerances, and surface finish can be supplied from drawing.
| Parameter | Specification |
|---|---|
| Suitable Hole Diameter | 10.1 mm H8 clearance fit |
| Tolerance Grade | h9 (ISO 4759-1) |
02 Material & Performance
Material selection is optimized for the target bicycle application with verified mechanical properties and corrosion resistance.
| Parameter | Specification |
|---|---|
| Primary Material | carbon steel65Mn |
| Material Grade / Class | - (spring-steel specific) |
| Applicable Standards | ASTM A227 |
| Tensile Strength | 1600 MPa |
| Yield Strength | 1400 MPa |
| Shear Strength | 960 MPa |
| Hardness | HRC 42-48 |
| Density | 7.85 g/cm³ |
| Process | cold heading+project-specific+project-specific |
| Surface Finish | Zinc-plated Blue-white |
03 Application & Compatibility
Designed for bicycle OEMs, assembly factories, and component brands that need repeatable supply with documented QC.
| Parameter | Specification |
|---|---|
| Frame Type | quick-release folding bike |
| Typical Position | folding hinge cable-protection area |
| Accessory / Mating Part | drawing-specific requirement |
| Environment | indoor and outdoor use |
| Compatible Standards | ASTM A227 |
| Load Rating | standard |
| Recommended Torque | tool-free quick-release type |
| Maximum Torque | none |
| Installation Method | press the ball detent and insert; the ball pops out for automatic locking |
| Recommended Tool | no tool required (quick-release type) |
| Installation Position | folding bike project-specific |
Installation Steps
04 Quality Assurance
Each production batch can be supplied with traceability records, inspection data, and packaging labels for OEM receiving control. SGS/TUV third-party test reports available on request.
| Test / Inspection | Standard & Criteria |
|---|---|
| Salt Spray Test | 72 hours ISO 9227 NSS, zinc-plated layer |
| Torque Verification | none |
| Hardness Testing | ASTM E18 Rockwell HRC |
| Thread Inspection | none |
| Dimensional Inspection | 100% inspection |
05 Packaging & Ordering
Standard bulk packaging is available for assembly lines. Custom labels, kitting, and retail packaging can be prepared for brand programs.
| Parameter | Specification |
|---|---|
| Standard Pack | 500 pcs/bag |
| Packaging Material | PE resealable bag + corrugated carton |
| Industry Batch Reference | 1,000 pcs/specification for standard parts / 500 pcs/specification for other items |
| Batch Pricing Model | tiered volume pricing with no mandatory MOQ |
| Required Quote Data | Size, material, finish, quantity, drawing if custom |
Send your drawing, sample, or BOM and our team will confirm material, thread fit, finish, packaging, and lead time.
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Send drawings or STEP files. Engineering response within 24 hours.
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