DIN 433 Small OD Flat Washers (Screw Washers) – Manufacturer, Exporter & Supplier

We manufacture and export DIN 433 Small OD Flat Washers (Screw Washers) conforming to exact DIN 433 dimensional and mechanical specifications. Available in 140 HV / A2 / A4, our DIN 433 flat 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 433 Key Specifications

The core specification data for DIN 433 Small OD Flat Washers (Screw Washers), at a glance.

Standard

DIN 433

Type

Small OD Flat Washers (Screw Washers)

Size Range

M1.6 to M10

Thread Pitch

—

Property Class / Grade

140 HV / A2 / A4

Head / Drive Type

Small OD Round

About DIN 433 Small OD Flat Washers (Screw Washers)

DIN 433 Small OD Flat Washers (Screw Washers) are flat washers produced and tested to the exact requirements of the DIN 433 specification. Featuring a Small OD Round configuration with — thread form, they are available in property classes 140 HV / A2 / A4 across a size range of M1.6 to M10. The DIN 433 standard governs dimensional tolerances, mechanical properties including tensile strength, proof load and hardness, as well as surface finish requirements to ensure dependable performance in Electronics and Precision Instruments applications worldwide.
Our DIN 433 Small OD Flat Washers (Screw 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 Small Machinery, Automotive Electronics and General Engineering applications. As a global exporter of DIN 433 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

140 HV 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 433 Dimensions & Size Chart

Precise dimensional data for every DIN 433 Small OD Flat Washers (Screw Washers) size, cross-referenced against the standard’s key measurement points.
Nom. Sized1 min (mm)d2 max (mm)h (mm)
M1.61.73.50.3
M22.24.50.3
M2.52.75.00.5
M33.26.00.5
M44.38.00.8
M55.39.01.0
M66.411.01.6
M88.415.01.6
M1010.518.01.6
Key Dimension Callouts

d

Nominal screw thread diameter the washer is sized for.

d1

Inside hole diameter providing clearance around the screw shank.

d2

Outside washer diameter defining the bearing surface footprint.

h

Washer thickness between both flat bearing faces.

Explore DIN Fastener Standards for Washers and Technical Specifications

Additional DIN fastener standards support accurate selection of bolts, screws, nuts, washers, stud bolts and threaded rods across industrial applications. Compare related dimensions, tolerances, thread specifications, mechanical properties, material grades and quality requirements to identify the most suitable engineering specifications and manufacturing standards for procurement, production and design decisions.

DIN 433 Small OD Flat Washers (Screw Washers) – Material Grades & Property Classes

DIN 433 Small OD Flat Washers (Screw Washers) are available across multiple property classes and surface finish options to match load-bearing and corrosion-resistance requirements for Electronics, Precision Instruments and Small Machinery applications.
Property Classes
140 HV 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 433 Small OD Flat Washers (Screw Washers)?

Nine reasons buyers worldwide rely on us as their DIN 433 Small OD Flat Washers (Screw Washers) manufacturer and export partner.
ISO Certified Production

Every batch of DIN 433 Small OD Flat Washers (Screw 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 433 Small OD Flat Washers (Screw Washers) shipment.

48-hr Dispatch on Stock Items

Commonly stocked DIN 433 Small OD Flat Washers (Screw 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 433 Small OD Flat Washers (Screw Washers) to buyers in over 50 countries worldwide.

Custom Sizes & Lengths

Non-standard DIN 433 Small OD Flat Washers (Screw 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 433 Small OD Flat Washers (Screw 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 433 Small OD Flat Washers (Screw Washers) are performed in our in-house laboratory before every release.

Consolidated Multi-Standard Shipping

Combine DIN 433 Small OD Flat Washers (Screw 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 433 Small OD Flat Washers (Screw Washers) export order.

DIN 433 Small OD Flat Washers (Screw Washers) – Applications & End Uses

DIN 433 Small OD Flat Washers (Screw Washers) are widely specified across multiple industries. Select an industry below to see how our DIN 433 flat washers are applied.
DIN 433 Small OD Flat Washers (Screw Washers) are used in electronics for critical fastening applications where dimensional accuracy and mechanical performance are essential. Grade 140 HV is most commonly specified for electronics environments.
In precision instruments, DIN 433 Small OD Flat Washers (Screw 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 433 Small OD Flat Washers (Screw Washers) are used in small machinery assemblies where precise torque control and consistent fit are critical. We supply to OEM manufacturers and contractors with custom packaging formats.
For automotive electronics applications, DIN 433 Small OD Flat Washers (Screw Washers) are supplied with material test reports, dimensional inspection certificates and PPAP documentation where required.
DIN 433 Small OD Flat Washers (Screw 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 433 Small OD Flat Washers (Screw Washers) are fastened into assemblies requiring long-term reliability. Our export-packaged DIN 433 flat washers arrive protected from transit corrosion with full documentation.

Request a Quote for DIN 433 Small OD Flat Washers (Screw 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 433

Common questions from buyers sourcing DIN 433 Small OD Flat Washers (Screw Washers), covering sizes, grades, documentation and lead times.
We supply DIN 433 Small OD Flat Washers (Screw Washers) from M1.6 to M10 in — thread. Standard lengths are stocked; non-standard lengths are produced to order. Contact us with your exact requirements for availability confirmation.
DIN 433 Small OD Flat Washers (Screw Washers) are supplied in 140 HV / 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 433 Small OD Flat Washers (Screw 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 433 Small OD Flat Washers (Screw 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
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  • Hazira
  • Hosur
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Countries We Export To:

  • US
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