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{"title":"M3 M4 Metal Washer SS304 SS316 Stainless Steel Spring Retaining Rings For Bore","imgUrl":"https:\/\/img.chinax.com\/nimg\/3d\/cc\/7e919a05b2ce0c8082c83e7fa5c5-200x200-1\/m3_m4_metal_washer_ss304_ss316_stainless_steel_spring_retaining_rings_for_bore_gb893.jpg","attrs":{"Brand Name":"JIA SHAN","Model Number":"DIN","Certification":"ISO9001","Place of Origin":"China"}}
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The M3 Carbon Steel Grade 4.8 White Zinc Plated Zp Serrated Double Fold Self Locking Washer is a precision fastener designed to protect connected surfaces, prevent fastener loosening, and serve specialized purposes. Manufactured to DIN 25201 standards, it features a white zinc plating for corrosion resistance.
Key Features
Serrated double fold design for superior self-locking performance
Grade 4.8 carbon steel construction for durability
White zinc plating (Zp) for enhanced corrosion protection
Prevents bolt loosening under vibration and dynamic loads
DIN 25201 compliant for quality assurance
Applications
Industry
Use Case
Automotive
High-strength applications in engines and heavy-duty components
Mechanical
Connecting mechanical parts, circuit boards, and transmissions
Energy
Power generation equipment and transmission line connections
Construction
Building structures and architectural applications
Material Specifications
Carbon Steel: Offers excellent strength and durability for demanding applications.
White Zinc Plating: Provides superior corrosion resistance while maintaining electrical conductivity.
Technical Advantages
The serrated double fold design creates multiple locking points that resist rotation and maintain clamping force even under vibration. The self-locking mechanism eliminates the need for additional fastening components.
Product Images
Frequently Asked Questions
Q: Are you a trading company or manufacturer?
A: We are factory and OEM services are available.
Q: How long is your delivery time?
A: Standard delivery is 7-10 days for in-stock items, 15-20 days for custom orders (quantity dependent).
Q: Do you provide samples?
A: Yes, we offer free samples (customer pays shipping costs).
Q: What are your payment terms?
A: 30% T/T deposit with balance before shipment, or L/C arrangements.
For additional inquiries, please contact our technical support team.
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Manufacturer,Exporter,Seller
Year Established:
2007
Total Annual:
15000000-20000000
Employee Number:
100~200
Ecer Certification：
Verified Supplier
Hunan Jiashan Hardware Tech as a branch company of J AND R METALWORK,established in 2007 and located in Changsha, Hunan, China.After almost 17 years management development and technical improvement, Jiashan is willing to be a leading supplier in hardware industry. Meanwhile, we are one of member of ... Hunan Jiashan Hardware Tech as a branch company of J AND R METALWORK,established in 2007 and located in Changsha, Hunan, China.After almost 17 years management development and technical improvement, Jiashan is willing to be a leading supplier in hardware industry. Meanwhile, we are one of member of ...
