logo
vr
Home
about us
Company Profile
factory tour
quality control
products

Pan Head Screw

Bugle Head Screw

Self Tapping Screw

Self Drilling Screw

Stainless Steel Screw

Screw Kit

Concrete Anchor Bolt

Hex Head Bolt

Allen Head Bolt

Machine Bolt

Expansion Anchor Bolt

Hex Head Nut

Spring Lock Washer

Waterproof Cable Gland

Precision Turned Components

Plastic Bolt
application
VR
events
news
cases
contact us
quote
english
français
Deutsch
Italiano
Русский
Español
português
Nederlandse
ελληνικά
日本語
한국
العربية
हिन्दी
Türkçe
indonesia
tiếng Việt
ไทย
বাংলা
فارسی
polski
home
about us
products

Pan Head Screw

Bugle Head Screw

Self Tapping Screw

Self Drilling Screw

Stainless Steel Screw

Screw Kit

Concrete Anchor Bolt

Hex Head Bolt

Allen Head Bolt

Machine Bolt

Expansion Anchor Bolt

Hex Head Nut

Spring Lock Washer

Waterproof Cable Gland

Precision Turned Components

Plastic Bolt
application
VR
VR
VR
VR
VR
VR
VR
VR
VR
VR
VR
VR
events
news
cases
contact us
VR
Quote
Good price online

products details

Home > Products >
Spring Lock Washer
>
Stainless Steel DIN137 Saddle Spring Washer SS304 A2 Type A Curved Lock Washer for Anti-Loosening
All Category

Pan Head Screw

Bugle Head Screw

Self Tapping Screw

Self Drilling Screw

Stainless Steel Screw

Screw Kit

Concrete Anchor Bolt

Hex Head Bolt

Allen Head Bolt

Machine Bolt

Expansion Anchor Bolt

Hex Head Nut

Spring Lock Washer

Waterproof Cable Gland

Precision Turned Components

Plastic Bolt
Contact Us
Ms. Amylin
amylin@ybfasteners.com
+8618658229310
wechat
Contact Now
name
  • name
  • name
  • name
  • name

Stainless Steel DIN137 Saddle Spring Washer SS304 A2 Type A Curved Lock Washer for Anti-Loosening

Brand Name: YONGBIAO
Model Number: washer
MOQ: 50000
Price: Negontiation
Packaging Details: Plastic Bag / Paper Box
Payment Terms: T/T
Detail Information
Product Description
Detail Information
Place of Origin:
China
Certification:
ISO 9001
Finish:
Zinc Plated
Sample:
Free Samples
Usage:
For Fastening Metal To Metal
Measurement System:
INCH, Metric
Standard:
DIN, ANSI, GB, JIS, BSW, GOST
Connection:
Common Bolt
Quality:
100% Inspection
Supply Ability:
500 Tons/month
Highlight:

Stainless Steel DIN137 lock washer

,

SS304 A2 curved spring washer

,

Anti-loosening saddle lock washer

Product 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
Various specifications of cross recessed raised countersunk head screws packaged in organized containers Cross recessed raised countersunk head screws in different sizes and finishes displayed together for comparison Industrial packaging of cross recessed raised countersunk head screws ready for shipment and distribution
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
Cross recessed raised countersunk head screws in industrial packaging boxes showing organized storage Bulk packaging of cross recessed raised countersunk head screws in secure cartons for shipping Custom packaging solutions for cross recessed raised countersunk head screws with branding options Palletized cross recessed raised countersunk head screw shipment with waterproof wrapping for protection Final packaged cross recessed raised countersunk head screws ready for shipment and delivery
Tags: 

Single Coil Spring Washer  

Stainless Steel Spring Washers  

Square Steel Washers

Related Products
Smooth Surface Spring Lock Washer 4.2 Mm - 35.5 Mm Serrated Flat Washer

Smooth Surface Spring Lock Washer 4.2 Mm - 35.5 Mm Serrated Flat Washer

Get Best Price
140 - 300 HV Stainless Steel Lock Washers DIN Standard External Tooth Lock Washer

140 - 300 HV Stainless Steel Lock Washers DIN Standard External Tooth Lock Washer

Get Best Price
Grade 8.8 Spring Lock Washer M3 - M100 Internal Tooth Lock Washer

Grade 8.8 Spring Lock Washer M3 - M100 Internal Tooth Lock Washer

Get Best Price
Stainless Steel Serrated Lock Washers Rust Proof Washer With Teeth Inside

Stainless Steel Serrated Lock Washers Rust Proof Washer With Teeth Inside

Get Best Price
Durable Spring Lock Washer M16 M20 Square Washer Grade 8.8 For Fastening Solutions

Durable Spring Lock Washer M16 M20 Square Washer Grade 8.8 For Fastening Solutions

Get Best Price
Good price online

Products Details

Home > Products >
Spring Lock Washer
>
Stainless Steel DIN137 Saddle Spring Washer SS304 A2 Type A Curved Lock Washer for Anti-Loosening
All Category

Pan Head Screw

Bugle Head Screw

Self Tapping Screw

Self Drilling Screw

Stainless Steel Screw

Screw Kit

Concrete Anchor Bolt

Hex Head Bolt

Allen Head Bolt

Machine Bolt

Expansion Anchor Bolt

Hex Head Nut

Spring Lock Washer

Waterproof Cable Gland

Precision Turned Components

Plastic Bolt
name
  • name
  • name
  • name
  • name

Stainless Steel DIN137 Saddle Spring Washer SS304 A2 Type A Curved Lock Washer for Anti-Loosening

Brand Name: YONGBIAO
Model Number: washer
MOQ: 50000
Price: Negontiation
Packaging Details: Plastic Bag / Paper Box
Payment Terms: T/T
Detail Information
Product Description
Detail Information
Place of Origin:
China
Brand Name:
YONGBIAO
Certification:
ISO 9001
Model Number:
washer
Finish:
Zinc Plated
Sample:
Free Samples
Usage:
For Fastening Metal To Metal
Measurement System:
INCH, Metric
Standard:
DIN, ANSI, GB, JIS, BSW, GOST
Connection:
Common Bolt
Quality:
100% Inspection
Minimum Order Quantity:
50000
Price:
Negontiation
Packaging Details:
Plastic Bag / Paper Box
Delivery Time:
7-25Days
Payment Terms:
T/T
Supply Ability:
500 Tons/month
Highlight:

Stainless Steel DIN137 lock washer

,

SS304 A2 curved spring washer

,

Anti-loosening saddle lock washer

Product 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
Various specifications of cross recessed raised countersunk head screws packaged in organized containers Cross recessed raised countersunk head screws in different sizes and finishes displayed together for comparison Industrial packaging of cross recessed raised countersunk head screws ready for shipment and distribution
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
Cross recessed raised countersunk head screws in industrial packaging boxes showing organized storage Bulk packaging of cross recessed raised countersunk head screws in secure cartons for shipping Custom packaging solutions for cross recessed raised countersunk head screws with branding options Palletized cross recessed raised countersunk head screw shipment with waterproof wrapping for protection Final packaged cross recessed raised countersunk head screws ready for shipment and delivery
Tags: 

Single Coil Spring Washer

Stainless Steel Spring Washers

Square Steel Washers

Related Products
Smooth Surface Spring Lock Washer 4.2 Mm - 35.5 Mm Serrated Flat Washer

Smooth Surface Spring Lock Washer 4.2 Mm - 35.5 Mm Serrated Flat Washer

Get Best Price
140 - 300 HV Stainless Steel Lock Washers DIN Standard External Tooth Lock Washer

140 - 300 HV Stainless Steel Lock Washers DIN Standard External Tooth Lock Washer

Get Best Price
Grade 8.8 Spring Lock Washer M3 - M100 Internal Tooth Lock Washer

Grade 8.8 Spring Lock Washer M3 - M100 Internal Tooth Lock Washer

Get Best Price
Stainless Steel Serrated Lock Washers Rust Proof Washer With Teeth Inside

Stainless Steel Serrated Lock Washers Rust Proof Washer With Teeth Inside

Get Best Price
Durable Spring Lock Washer M16 M20 Square Washer Grade 8.8 For Fastening Solutions

Durable Spring Lock Washer M16 M20 Square Washer Grade 8.8 For Fastening Solutions

Get Best Price
Quick link
Home About Us Products Application News Cases Contact Us
Quick Contact

Address

No.1 Lufeng Industrial Park, Wuxiang Town, Yinzhou District, Ningbo City, Zhejiang, China

Tel

+86--18658229310

Our Newsletter
Subscribe to our newsletter for discounts and more.
Privacy Policy |  sitemap  | China Good Quality Pan Head Screw Supplier. Copyright © 2025-2026 NINGBO YONGBIAO FASTENER CO.,LTD . All Rights Reserved.