9573K77
Bulk orders will be discounted, please contact our sales for a bulk quote.
We will ship your order via FedEx within 3-5 working days after you complete the payment and the related information will be sent to your email.
Searching for the best price?
Complete the inquiry form, and we'll provide you with the most suitable solution.
Need bulk industrial price?
Submit your volume requirements, and we'll provide a tailored quote for your scale.
| Part Number | JFHDKHH |
| Spring Type | Die |
| Length | 8" |
| Compressed Length @ Maximum Load | 4.8" |
| Deflection @ Maximum Load | 40% |
| Load Max. | 281 lbs. |
| Spring Rate | 88 lbf/in |
| Color | Blue |
| Material | Chrome-Silicon Steel |
| End Type | Closed and Ground |
| For Hole Diameter | 1 1/4" |
| For Shaft Diameter | 5/8" |
| Wire Width | 0.285" |
| Wire Thickness | 0.115" |
| Load Rating | Medium |
| RoHS | RoHS 3 (2015/863/EU) Compliant |
| REACH | REACH (EC 1907/2006) (01/23/2024, 240 SVHC) Compliant |
| DFARS | Specialty Metals COTS-Exempt |
| Country of Origin | China |
| USMCA Qualifying | No |
NOTE:All other trademarks are the property of their respective owners.
All other trademarks mentioned herein are used for the purpose of compatibility description and product identification only. Lily Bearing is not affiliated with, endorsed by, or sponsored by the holders of these trademarks.
Design Features of JFHDKHH Spring
JFHDKHH are designed to operate under compression, storing energy when compressed and returning to their original length when the load is released. The color coding system provides immediate visual identification of load ratings and deflection characteristics, enabling accurate spring selection across different application requirements. Their overall performance depends on factors such as wire diameter, coil pitch, free length, and the specific alloy used, which together influence load capacity, fatigue life, and durability.
What Benefits Can JFHDKHH Spring Provide?
- Instant Visual Identification – The standardized color system allows engineers and operators to quickly identify spring load ratings without measuring tools, reducing setup errors on the production floor.
- High Load Consistency – Manufactured to tight tolerances, they deliver predictable compression force, ensuring repeatable performance across mold cycles and tooling applications.
- Extended Fatigue Life – Rectangular wire cross-sections maximize the volume of active material, reducing stress concentrations and significantly improving cycle life compared to round-wire springs.
- Compact and Space-Efficient – Their high load-to-size ratio allows designers to achieve greater spring force within confined die and mold cavities.
- Wide Load Range Availability – Available in light, medium, heavy, extra-heavy, and maximum load ratings (color-coded), covering a broad spectrum of force requirements within a single standardized product family.
- Easy Interchangeability – Compliance with ISO 10243 and similar international standards means springs from different manufacturers with matching colors are dimensionally and functionally interchangeable.
What Can JFHDKHH Spring Be Used for?
- Stamping and Pressing Dies – To strip workpieces from punches, maintain blank holder pressure, and control material flow during metal forming operations.
- Injection Mold Tooling – For ejector pin return systems, parting line pressure control, and side-action mechanisms in plastic injection molds.
- Punching and Blanking Tools – To provide consistent stripper plate force, ensuring clean punch withdrawal and accurate part ejection after each stroke.
- Die Casting and Forging Equipment – To actuate knockout pins and maintain clamping loads in high-temperature tooling environments.
- Jigs, Fixtures, and Clamping Systems – As return and locking elements in workholding devices, providing reliable clamping force across production runs.
- Automation and Robotic Tooling – In end-of-arm tooling and compliance devices where controlled compression force and precise stroke are required.




