Jiangsu Sunzo Spring Elasticity Technology Co., Ltd
| Packaging Details | Carton |
| Delivery Time | Negotiable |
| Payment Terms | Negotiable |
| Size range | M1.0 to M50+ |
| Material options | 304/316 stainless steel, high-carbon steel, titanium alloys |
| Tooth angle | 45°-60° |
| Tooth density | Variable |
| Serration patterns | Specialized |
| Corrosion resistance | Up to 1,000 hours (stainless steel) |
| Hardness | HRC 43-45 (carbon steel) |
| Standard | DIN9250 |
| Lead time | 2-3 weeks |
| Vibration endurance | Tested |
| Preload retention | Validated |
| Temperature resistance | High-temperature |
| Load-bearing capacity | Extreme (high-carbon steel) |
| Weight | Lightweight (titanium alloys) |
| Surface finish | Precision gear surface |
| Installation support | End-to-end |
| Design process | CAD and FEA simulation |
| Prototype testing | Included |
| Mass production | Supported |
| Quality testing | Rigorous |
| Place of Origin | Sihong, China |
| Brand Name | Sunzo |
| Certification | CE/IATF16949/45001/14001/9001 |
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Product Specification
| Packaging Details | Carton | Delivery Time | Negotiable |
| Payment Terms | Negotiable | Size range | M1.0 to M50+ |
| Material options | 304/316 stainless steel, high-carbon steel, titanium alloys | Tooth angle | 45°-60° |
| Tooth density | Variable | Serration patterns | Specialized |
| Corrosion resistance | Up to 1,000 hours (stainless steel) | Hardness | HRC 43-45 (carbon steel) |
| Standard | DIN9250 | Lead time | 2-3 weeks |
| Vibration endurance | Tested | Preload retention | Validated |
| Temperature resistance | High-temperature | Load-bearing capacity | Extreme (high-carbon steel) |
| Weight | Lightweight (titanium alloys) | Surface finish | Precision gear surface |
| Installation support | End-to-end | Design process | CAD and FEA simulation |
| Prototype testing | Included | Mass production | Supported |
| Quality testing | Rigorous | Place of Origin | Sihong, China |
| Brand Name | Sunzo | Certification | CE/IATF16949/45001/14001/9001 |
| High Light | Custom Serrated Safety Washer ，serrated spring washer M1 ，serrated belleville washer M50 | ||
Every industrial application presents unique fastener locking challenges, and SUNZO delivers bespoke solutions with our Custom Serrated Safety Washers—engineered to DIN9250 standards while adapting to your specific requirements.
While our standard DIN9250 series covers M1.6 to M36, we specialize in extending these parameters to create non-standard solutions tailored for extreme environments and specialized machinery.
Each custom washer retains the core DIN9250 advantage: a precision gear surface that merges friction-generated clamping force with mechanical interlock, effectively neutralizing vibration-induced loosening in applications ranging from precision medical devices to offshore drilling equipment.
All custom solutions adhere to DIN 9250 specifications and undergo rigorous quality testing, including:
Whether you require washers for high-temperature automotive engines, sterile pharmaceutical machinery, or subsea oil rig components, our technical sales engineers provide end-to-end support—from material selection guidance to installation recommendations.
Company Details
Business Type:
Manufacturer,Exporter,Seller
Year Established:
2006
Total Annual:
1.2M-1.4M
Employee Number:
160~200
Ecer Certification：
Verified Supplier
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