Jiangsu Sunzo Spring Elasticity Technology Co., Ltd
| Model NO. | sunzo |
| Material | Steel |
| Load Type | Compression |
| Production Process | Fine Punching |
| Shape | Flat |
| Specification | 50CrVA |
| Tooth Angle | 45° to 60° |
| Anti-loosening Performance | 300% higher |
| Preload Retention | 90% after 10,000 cycles |
| Size Range | M1.6 to M36 |
| Material Options | Carbon steel, Stainless steel 304/316, Titanium |
| Compliance | DIN 9250 standards |
| Quality Certification | ISO 9001 |
| Packaging Details | Carton |
| Delivery Time | Negotiable |
| Payment Terms | Negotiable |
| Place of Origin | Sihong, China |
| Brand Name | Sunzo |
| Certification | CE/IATF16949/45001/14001/9001 |
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Product Specification
| Model NO. | sunzo | Material | Steel |
| Load Type | Compression | Production Process | Fine Punching |
| Shape | Flat | Specification | 50CrVA |
| Tooth Angle | 45° to 60° | Anti-loosening Performance | 300% higher |
| Preload Retention | 90% after 10,000 cycles | Size Range | M1.6 to M36 |
| Material Options | Carbon steel, Stainless steel 304/316, Titanium | Compliance | DIN 9250 standards |
| Quality Certification | ISO 9001 | Packaging Details | Carton |
| Delivery Time | Negotiable | Payment Terms | Negotiable |
| Place of Origin | Sihong, China | Brand Name | Sunzo |
| Certification | CE/IATF16949/45001/14001/9001 | ||
| High Light | 50crva din9250 ，50crva serrated safety washer ，m36 din9250 | ||
Vibration-induced fastener loosening remains one of the most critical challenges in mechanical engineering, often leading to catastrophic equipment failures, unplanned downtime, and safety hazards across industries. The DIN9250 Serrated Safety Washer addresses this issue through an ingeniously engineered gear profile design that redefines anti-loosening technology.
Unlike conventional flat washers, which rely solely on friction to maintain clamping force, the DIN9250 integrates a dual-security mechanism: its precision-machined gear surface creates both frictional resistance and mechanical interlock, forming an impenetrable barrier against vibrational forces.
At the core of its design lies a serrated gear profile with carefully calibrated tooth angles (typically 45° to 60°) that bite into both the fastener head and the mating surface upon installation. This mechanical engagement transforms static friction into active resistance, preventing micro-rotations that gradually loosen bolts under cyclic vibration.
In independent lab tests, the DIN9250 has demonstrated up to 300% higher anti-loosening performance compared to standard washers in ISO 16130 vibration testing, maintaining 90% of initial preload after 10,000 vibration cycles—far exceeding industry benchmarks.
Engineered for versatility, the washer excels in extreme environments, from the high-temperature oscillations of automotive engines to the constant mechanical stress of industrial machinery and the heavy-impact vibrations of construction equipment.
To learn how the DIN9250 Serrated Safety Washer can enhance your application's reliability, contact our technical sales engineers for personalized performance analysis, CAD drawings, and sample testing. Trust SUNZO to deliver not just a component, but a proven anti-vibration solution that safeguards your equipment's integrity.
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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