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ISO 7089 Plain Washers – Normal Series (Grade A) – Manufacturer, Exporter & Supplier

We manufacture and export ISO 7089 Plain Washers – Normal Series (Grade A) conforming to exact ISO 7089 dimensional and mechanical specifications. Available in 140 HV / A2 / A4, our ISO 7089 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.
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ISO 7089 Key Specifications

The core specification data for ISO 7089 Plain Washers – Normal Series (Grade A), at a glance.

Standard

ISO 7089

Type

Plain Washers – Normal Series (Grade A)

Size Range

M1.6 to M100

Thread Pitch

—

Property Class / Grade

140 HV / A2 / A4

Head / Drive Type

Flat Round / Normal Series

About ISO 7089 Plain Washers – Normal Series (Grade A)

ISO 7089 Plain Washers – Normal Series (Grade A) are flat washers produced and tested to the exact requirements of the ISO 7089 specification. Featuring a Flat Round / Normal Series configuration with — thread form, they are available in property classes 140 HV / A2 / A4 across a size range of M1.6 to M100. The ISO 7089 standard governs dimensional tolerances, mechanical properties including tensile strength, proof load and hardness, as well as surface finish requirements to ensure dependable performance in General Engineering and Construction applications worldwide.
Our ISO 7089 Plain Washers – Normal Series (Grade A) 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 Machinery, Automotive and Railways applications. As a global exporter of ISO 7089 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

ISO

Corrosion Resistance

Salt-spray tested to relevant grade

Recommended Torque

Per property class / grade

Storage Conditions

Dry, corrosion-inhibited packing

ISO 7089 Dimensions & Size Chart

Precise dimensional data for every ISO 7089 Plain Washers – Normal Series (Grade A) size, cross-referenced against the standard’s key measurement points.
Nom. Sized1 min (mm)d2 max (mm)h (mm)
M33.27.00.5
M44.39.00.8
M55.310.01.0
M66.412.01.6
M88.416.01.6
M1010.520.02.0
M1213.024.02.5
M1617.030.03.0
M2021.037.03.0
M2425.044.04.0
M3031.056.04.0
M3637.066.05.0
Key Dimension Callouts

d

Nominal screw thread size the washer is intended for.

d1

Inside diameter of the washer central hole.

d2

Outside diameter measured across the washer circumference.

h

Washer thickness measured between flat bearing faces.

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ISO 7089 Plain Washers – Normal Series (Grade A) – Material Grades & Property Classes

ISO 7089 Plain Washers – Normal Series (Grade A) are available across multiple property classes and surface finish options to match load-bearing and corrosion-resistance requirements for General Engineering, Construction and 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 ISO 7089 Plain Washers – Normal Series (Grade A)?

Nine reasons buyers worldwide rely on us as their ISO 7089 Plain Washers – Normal Series (Grade A) manufacturer and export partner.
ISO Certified Production

Every batch of ISO 7089 Plain Washers – Normal Series (Grade A) 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 ISO 7089 Plain Washers – Normal Series (Grade A) shipment.

48-hr Dispatch on Stock Items

Commonly stocked ISO 7089 Plain Washers – Normal Series (Grade A) 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 ISO 7089 Plain Washers – Normal Series (Grade A) to buyers in over 50 countries worldwide.

Custom Sizes & Lengths

Non-standard ISO 7089 Plain Washers – Normal Series (Grade A) lengths, diameters and special thread pitches are produced to order to match your drawing requirements.

Competitive Factory Pricing

Direct-from-factory pricing on ISO 7089 Plain Washers – Normal Series (Grade A) with no middleman markup, offering the best value on volume and repeat orders.

In-House Metallurgical Testing

Hardness, tensile strength and dimensional checks for ISO 7089 Plain Washers – Normal Series (Grade A) are performed in our in-house laboratory before every release.

Consolidated Multi-Standard Shipping

Combine ISO 7089 Plain Washers – Normal Series (Grade A) 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 ISO 7089 Plain Washers – Normal Series (Grade A) export order.

ISO 7089 Plain Washers – Normal Series (Grade A) – Applications & End Uses

ISO 7089 Plain Washers – Normal Series (Grade A) are widely specified across multiple industries. Select an industry below to see how our ISO 7089 flat washers are applied.
ISO 7089 Plain Washers – Normal Series (Grade A) are used in general engineering for critical fastening applications where dimensional accuracy and mechanical performance are essential. Grade 140 HV is most commonly specified for general engineering environments.
In construction, ISO 7089 Plain Washers – Normal Series (Grade A) are valued for consistent dimensions and reliable load-bearing capability. We supply with full test documentation to support quality audits and project inspections.
ISO 7089 Plain Washers – Normal Series (Grade A) are used in machinery assemblies where precise torque control and consistent fit are critical. We supply to OEM manufacturers and contractors with custom packaging formats.
For automotive applications, ISO 7089 Plain Washers – Normal Series (Grade A) are supplied with material test reports, dimensional inspection certificates and PPAP documentation where required.
ISO 7089 Plain Washers – Normal Series (Grade A) for railways use are selected from stainless steel or coated grades to provide appropriate corrosion resistance while maintaining specified mechanical performance.
In general engineering applications, ISO 7089 Plain Washers – Normal Series (Grade A) are fastened into assemblies requiring long-term reliability. Our export-packaged ISO 7089 flat washers arrive protected from transit corrosion with full documentation.

Request a Quote for ISO 7089 Plain Washers – Normal Series (Grade A)

Get pricing and lead times for your required sizes and quantities. ISO 9001 certified. EN 10204 3.1 MTR supplied. Export to 50+ countries.
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Frequently Asked Questions About ISO 7089

Common questions from buyers sourcing ISO 7089 Plain Washers – Normal Series (Grade A), covering sizes, grades, documentation and lead times.
We supply ISO 7089 Plain Washers – Normal Series (Grade A) from M1.6 to M100 in — thread. Standard lengths are stocked; non-standard lengths are produced to order. Contact us with your exact requirements for availability confirmation.
ISO 7089 Plain Washers – Normal Series (Grade A) 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 ISO 7089 Plain Washers – Normal Series (Grade A) 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 ISO 7089 Plain Washers – Normal Series (Grade A) 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
  • New Zealand
  • Singapore
  • Malaysia
  • Indonesia
  • Thailand
  • Vietnam
  • South Korea
  • Japan
  • Brazil