DIN 128 Single Coil Spring Lock Washers – Manufacturer, Exporter & Supplier

We manufacture and export DIN 128 Single Coil Spring Lock Washers conforming to exact DIN 128 dimensional and mechanical specifications. Available in Spring Steel / A2 / A4, our DIN 128 spring washers pass rigorous in-house testing — hardness, tensile and dimensional — before dispatch. ISO 9001:2015 certified production, EN 10204 3.1 mill test reports supplied as standard, and dedicated export documentation for 50+ destination countries.

DIN 128 Key Specifications

The core specification data for DIN 128 Single Coil Spring Lock Washers, at a glance.

Standard

DIN 128

Type

Single Coil Spring Lock Washers

Size Range

M2 to M24

Thread Pitch

—

Property Class / Grade

Spring Steel / A2 / A4

Head / Drive Type

Curved Single Coil

About DIN 128 Single Coil Spring Lock Washers

DIN 128 Single Coil Spring Lock Washers are spring washers produced and tested to the exact requirements of the DIN 128 specification. Featuring a Curved Single Coil configuration with — thread form, they are available in property classes Spring Steel / A2 / A4 across a size range of M2 to M24. The DIN 128 standard governs dimensional tolerances, mechanical properties including tensile strength, proof load and hardness, as well as surface finish requirements to ensure dependable performance in Light Machinery and Electronics applications worldwide.
Our DIN 128 Single Coil Spring Lock Washers are cold-forged from certified bar stock, heat-treated where required, and thread-rolled to guarantee consistent fit and fatigue performance. Every batch is documented with an EN 10204 3.1 Mill Test Report covering chemical composition, mechanical test results and dimensional inspection. Available in zinc electroplated, hot-dip galvanised, Geomet, Dacromet and black oxide finishes to match corrosion-resistance requirements for Appliances, General Engineering and General Engineering applications. As a global exporter of DIN 128 fasteners, we consolidate orders with other standard-specification items into single shipments, backed by complete customs documentation for over 50 countries.
Technical Specifications

Raw Material

Spring Steel Alloy / Stainless Steel

Country of Origin

India

Standard Body

DIN

Corrosion Resistance

Salt-spray tested to relevant grade

Recommended Torque

Per property class / grade

Storage Conditions

Dry, corrosion-inhibited packing

DIN 128 Dimensions & Size Chart

Precise dimensional data for every DIN 128 Single Coil Spring Lock Washers size, cross-referenced against the standard’s key measurement points.
Nom. Sizeb (mm)s (mm)d1 min (mm)d2 max (mm)
M31.00.63.15.5
M41.20.84.16.9
M51.41.05.18.5
M61.61.26.110.3
M82.01.58.113.5
M102.51.810.216.9
M123.02.212.220.1
M163.52.516.226.9
Key Dimension Callouts

d1

Inside diameter clearance for mating screw thread.

d2

Outside diameter defining overall washer envelope.

s

Material section thickness of the spring washer.

h

Free height across raised split washer ends.

Browse Related DIN Fastener Standards and Washer Dimensions

Additional DIN fastener standards cover bolts, screws, nuts, washers, stud bolts, threaded rods, and other industrial fasteners used in mechanical fastening systems. Compare dimensions, tolerances, thread specifications, mechanical properties, material grades, manufacturing standards, and quality requirements to choose the correct engineering specification for procurement, production, or demanding industrial applications.

DIN 128 Single Coil Spring Lock Washers – Material Grades & Property Classes

DIN 128 Single Coil Spring Lock Washers are available across multiple property classes and surface finish options to match load-bearing and corrosion-resistance requirements for Light Machinery, Electronics and Appliances applications.
Property Classes
Spring Steel A2 A4
Surface Treatments
Zinc Electroplated Hot-Dip Galvanised (HDG) Geomet Coating Dacromet Coating Black Oxide Phosphate & Oil Plain (Self Colour) Nickel Plated

Why Choose Us for DIN 128 Single Coil Spring Lock Washers?

Nine reasons buyers worldwide rely on us as their DIN 128 Single Coil Spring Lock Washers manufacturer and export partner.
ISO Certified Production

Every batch of DIN 128 Single Coil Spring Lock Washers is manufactured under an ISO 9001:2015 certified quality management system with full in-process control.

EN 10204 3.1 MTR Supplied

A mill test report covering chemical composition, tensile, hardness and dimensional inspection accompanies every DIN 128 Single Coil Spring Lock Washers shipment.

48-hr Dispatch on Stock Items

Commonly stocked DIN 128 Single Coil Spring Lock Washers sizes leave our warehouse within 48 hours of order confirmation, minimising your downtime.

Export to 50+ Countries

Established freight and customs partners ensure reliable delivery of DIN 128 Single Coil Spring Lock Washers to buyers in over 50 countries worldwide.

Custom Sizes & Lengths

Non-standard DIN 128 Single Coil Spring Lock Washers lengths, diameters and special thread pitches are produced to order to match your drawing requirements.

Competitive Factory Pricing

Direct-from-factory pricing on DIN 128 Single Coil Spring Lock Washers with no middleman markup, offering the best value on volume and repeat orders.

In-House Metallurgical Testing

Hardness, tensile strength and dimensional checks for DIN 128 Single Coil Spring Lock Washers are performed in our in-house laboratory before every release.

Consolidated Multi-Standard Shipping

Combine DIN 128 Single Coil Spring Lock Washers with other standard-specification fasteners into a single container shipment to reduce freight costs.

Dedicated Export Documentation Team

Our specialist team prepares all customs, compliance and shipping paperwork for every DIN 128 Single Coil Spring Lock Washers export order.

DIN 128 Single Coil Spring Lock Washers – Applications & End Uses

DIN 128 Single Coil Spring Lock Washers are widely specified across multiple industries. Select an industry below to see how our DIN 128 spring washers are applied.
DIN 128 Single Coil Spring Lock Washers are used in light machinery for critical fastening applications where dimensional accuracy and mechanical performance are essential. Grade Spring Steel is most commonly specified for light machinery environments.
In electronics, DIN 128 Single Coil Spring Lock Washers are valued for consistent dimensions and reliable load-bearing capability. We supply with full test documentation to support quality audits and project inspections.
DIN 128 Single Coil Spring Lock Washers are used in appliances assemblies where precise torque control and consistent fit are critical. We supply to OEM manufacturers and contractors with custom packaging formats.
For general engineering applications, DIN 128 Single Coil Spring Lock Washers are supplied with material test reports, dimensional inspection certificates and PPAP documentation where required.
DIN 128 Single Coil Spring Lock Washers for general engineering use are selected from stainless steel or coated grades to provide appropriate corrosion resistance while maintaining specified mechanical performance.
In general engineering applications, DIN 128 Single Coil Spring Lock Washers are fastened into assemblies requiring long-term reliability. Our export-packaged DIN 128 spring washers arrive protected from transit corrosion with full documentation.

Request a Quote for DIN 128 Single Coil Spring Lock Washers

Get pricing and lead times for your required sizes and quantities. ISO 9001 certified. EN 10204 3.1 MTR supplied. Export to 50+ countries.

Frequently Asked Questions About DIN 128

Common questions from buyers sourcing DIN 128 Single Coil Spring Lock Washers, covering sizes, grades, documentation and lead times.
We supply DIN 128 Single Coil Spring Lock Washers from M2 to M24 in — thread. Standard lengths are stocked; non-standard lengths are produced to order. Contact us with your exact requirements for availability confirmation.
DIN 128 Single Coil Spring Lock Washers are supplied in Spring Steel / A2 / A4. Carbon and alloy steel grades comply with ISO 898-1 and stainless steel grades comply with ISO 3506. ASTM grades are available for USA and Canadian export orders.
Every DIN 128 Single Coil Spring Lock Washers order includes an EN 10204 3.1 Mill Test Report covering chemical composition, tensile strength, hardness and proof load. Third-party inspection by SGS, BV or TUV can be arranged on request.
Stocked DIN 128 Single Coil Spring Lock Washers sizes dispatch within 48 hours of order confirmation. Custom lengths, special grades or surface finishes typically ship within 2-3 weeks. Contact us for a specific lead time on your required size and quantity.

Industrial Cities We Serve:

  • Ahmedabad
  • Aurangabad
  • Bengaluru
  • Chennai
  • Coimbatore
  • Faridabad
  • Gandhidham
  • Greater Noida
  • Gurugram
  • Hazira
  • Hosur
  • Hyderabad
  • Jamnagar
  • Jamshedpur
  • Ludhiana
  • Mumbai
  • Mundra
  • Mysuru
  • Nagpur
  • Nashik
  • Navi Mumbai
  • Noida
  • Pune
  • Rajkot
  • Sanand
  • Surat
  • Thane
  • Tiruppur
  • Vadodara
  • Visakhapatnam

Countries We Export To:

  • US
  • Canada
  • Mexico
  • Germany
  • UK
  • France
  • Italy
  • Spain
  • Netherlands
  • Belgium
  • Poland
  • Sweden
  • Norway
  • Denmark
  • Turkey
  • UAE
  • Saudi Arabia
  • Qatar
  • Oman
  • Kuwait
  • Bahrain
  • South Africa
  • Egypt
  • Nigeria
  • Australia
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  • Singapore
  • Malaysia
  • Indonesia
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  • Japan
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