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Stainless Steel DIN137 Saddle Spring Washer SS304 A2 Type A Curved Lock Washer for Anti-Loosening
Stainless Steel DIN137 Saddle Spring Washer SS304 A2 Type A Curved Lock Washer for Anti-Loosening
Stainless Steel DIN137 Saddle Spring Washer SS304 A2 Type A Curved Lock Washer for Anti-Loosening
Stainless Steel DIN137 Saddle Spring Washer SS304 A2 Type A Curved Lock Washer for Anti-Loosening
Stainless Steel DIN137 Saddle Spring Washer SS304 A2 Type A Curved Lock Washer for Anti-Loosening
Stainless Steel DIN137 Saddle Spring Washer SS304 A2 Type A Curved Lock Washer for Anti-Loosening
Specifications
Usage :
For Fastening Metal To Metal
Model Number :
washer
Connection :
Common Bolt
Place Of Origin :
ZHEJIANG CHINA
Supply Ability :
500 Tons/month
Standard :
DIN, ANSI, GB, JIS, BSW, GOST
Price :
Negontiation
Finish :
Zinc Plated
Measurement System :
INCH, Metric
MOQ :
50000
Sample :
Free Samples
Payment Terms :
T/T
Packaging Details :
Plastic Bag / Paper Box
Certification :
ISO 9001
Brand Name :
YONGBIAO
Quality :
100% Inspection
Delivery Time :
7-25Days
Place of Origin :
China
Description
Stainless Steel DIN137 Saddle Spring Washer
SS304 A2 Type A Curved Lock Washer for Anti-Loosening Applications
Product Overview
The DIN137 Saddle Spring Washer (also known as Curved Spring Washer or Domed Spring Washer) is a high-quality German-standard fastening component designed to prevent bolt and nut loosening under vibration and dynamic loads.
Key Features
  • Excellent Anti-Loosening Performance - Curved/wave design provides consistent spring force that maintains preload between bolted connections
  • Precision Manufacturing - 100% dimensional inspection ensures outer diameter tolerance ±0.05mm, thickness ±0.02mm, and parallelism ≤0.03mm
  • Superior Material Quality - Made from quenched and tempered spring steel (65Mn/50CrV4) or high-grade stainless steel
  • Wide Application Range - Suitable for automotive, machinery, construction, electronics, aerospace, railway, marine, and food processing
  • Multiple Finishes - Available in plain, black oxide, zinc plated, Dacromet, and custom colors
  • Corrosion Resistance - Stainless steel A2/A4 options provide excellent resistance to rust and corrosion
Technical Specifications
Measurement System INCH, Metric
Standard DIN, ANSI, GB, JIS, BSW, GOST
Process Cold Forging
Finish Zinc Plated
Load Capacity Medium Duty
Usage For Fastening Metal To Metal
HS Code 7318151001
Customization Services
We offer comprehensive OEM and ODM services to meet your specific requirements:
  • Custom head styles, drive types, and thread designs
  • Special lengths, diameters, and tolerances
  • Specific material grades and surface finishes
  • Custom packaging with your branding
  • Logo engraving on screw heads
Why Choose Us
  • Professional fastener manufacturer with over 10 years of export experience
  • Advanced automatic cold heading and thread rolling equipment
  • Strict quality control system from raw material to finished product
  • Competitive factory-direct pricing with no middlemen
  • Responsive customer service and technical support
  • Flexible MOQ for trial orders and bulk shipments
Contact Information
Email: rainting@ybfasteners.com
Product Images
Stainless Steel DIN137 Saddle Spring Washer SS304 A2 Type A Curved Lock Washer for Anti-Loosening Stainless Steel DIN137 Saddle Spring Washer SS304 A2 Type A Curved Lock Washer for Anti-Loosening Stainless Steel DIN137 Saddle Spring Washer SS304 A2 Type A Curved Lock Washer for Anti-Loosening
Packaging Options
Bolts are packed in neutral packaging boxes with standard quantities arranged in small cartons. Custom packaging configurations are available upon request. Small cartons are consolidated into larger master cartons for secure transportation. Palletized units are wrapped with waterproof film and reinforced with packaging straps, with custom shipping marks available.
Packaging Images
Stainless Steel DIN137 Saddle Spring Washer SS304 A2 Type A Curved Lock Washer for Anti-Loosening Stainless Steel DIN137 Saddle Spring Washer SS304 A2 Type A Curved Lock Washer for Anti-Loosening Stainless Steel DIN137 Saddle Spring Washer SS304 A2 Type A Curved Lock Washer for Anti-Loosening Stainless Steel DIN137 Saddle Spring Washer SS304 A2 Type A Curved Lock Washer for Anti-Loosening Stainless Steel DIN137 Saddle Spring Washer SS304 A2 Type A Curved Lock Washer for Anti-Loosening
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Stainless Steel DIN137 Saddle Spring Washer SS304 A2 Type A Curved Lock Washer for Anti-Loosening

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Product Detail
Usage :
For Fastening Metal To Metal
Model Number :
washer
Connection :
Common Bolt
Place Of Origin :
ZHEJIANG CHINA
Supply Ability :
500 Tons/month
Standard :
DIN, ANSI, GB, JIS, BSW, GOST
Contact Supplier
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Stainless Steel DIN137 Saddle Spring Washer SS304 A2 Type A Curved Lock Washer for Anti-Loosening
Stainless Steel DIN137 Saddle Spring Washer SS304 A2 Type A Curved Lock Washer for Anti-Loosening
Stainless Steel DIN137 Saddle Spring Washer SS304 A2 Type A Curved Lock Washer for Anti-Loosening

NINGBO YONGBIAO FASTENER CO.,LTD

Verified Supplier
2 Years
zhejiang, ningbo
Since 2012
Business Type :
Manufacturer, Exporter, Trading Company
Main Products :
Pan Head Screw, Bugle Head Screw, Self Tapping Screw
Total Annual :
5000000-6000000
Employee Number :
45~53
Certification Level :
Verified Supplier
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