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DIN 940 Slotted Round (Cap) Nuts – Manufacturer, Exporter & Supplier

We manufacture and export DIN 940 Slotted Round (Cap) Nuts conforming to exact DIN 940 dimensional and mechanical specifications. Available in 5 / 8 / A2, our DIN 940 round nuts 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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DIN 940 Key Specifications

The core specification data for DIN 940 Slotted Round (Cap) Nuts, at a glance.

Standard

DIN 940

Type

Slotted Round (Cap) Nuts

Size Range

M10 to M100

Thread Pitch

Coarse

Property Class / Grade

5 / 8 / A2

Head / Drive Type

Round with Slots for Spanner

About DIN 940 Slotted Round (Cap) Nuts

DIN 940 Slotted Round (Cap) Nuts are round nuts produced and tested to the exact requirements of the DIN 940 specification. Featuring a Round with Slots for Spanner configuration with Coarse thread form, they are available in property classes 5 / 8 / A2 across a size range of M10 to M100. The DIN 940 standard governs dimensional tolerances, mechanical properties including tensile strength, proof load and hardness, as well as surface finish requirements to ensure dependable performance in Bearing Adjustments and Lathe Chucks applications worldwide.
Our DIN 940 Slotted Round (Cap) Nuts 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 Wheel Hubs, Spindles and General Engineering applications. As a global exporter of DIN 940 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

5 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 940 Dimensions & Size Chart

Precise dimensional data for every DIN 940 Slotted Round (Cap) Nuts size, cross-referenced against the standard’s key measurement points.
Size (M)d (mm)m (mm)n (mm)b (mm)
M1018104.02.2
M1220124.02.5
M1625165.03.0
M2030206.03.5
M2435246.04.0
M3045308.05.0
M36553610.06.0
M42654212.07.0
Key Dimension Callouts

d

Nominal thread diameter for both threaded stud ends.

l

Nominal stud length excluding the screw-in thread length.

b

Nut-end thread length available for tightening assembly.

bm

Screw-in thread length for tapped-hole engagement.

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DIN 940 Slotted Round (Cap) Nuts – Material Grades & Property Classes

DIN 940 Slotted Round (Cap) Nuts are available across multiple property classes and surface finish options to match load-bearing and corrosion-resistance requirements for Bearing Adjustments, Lathe Chucks and Wheel Hubs applications.
Property Classes
5 8 A2
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 940 Slotted Round (Cap) Nuts?

Nine reasons buyers worldwide rely on us as their DIN 940 Slotted Round (Cap) Nuts manufacturer and export partner.
ISO Certified Production

Every batch of DIN 940 Slotted Round (Cap) Nuts 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 940 Slotted Round (Cap) Nuts shipment.

48-hr Dispatch on Stock Items

Commonly stocked DIN 940 Slotted Round (Cap) Nuts 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 940 Slotted Round (Cap) Nuts to buyers in over 50 countries worldwide.

Custom Sizes & Lengths

Non-standard DIN 940 Slotted Round (Cap) Nuts lengths, diameters and special thread pitches are produced to order to match your drawing requirements.

Competitive Factory Pricing

Direct-from-factory pricing on DIN 940 Slotted Round (Cap) Nuts 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 940 Slotted Round (Cap) Nuts are performed in our in-house laboratory before every release.

Consolidated Multi-Standard Shipping

Combine DIN 940 Slotted Round (Cap) Nuts 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 940 Slotted Round (Cap) Nuts export order.

DIN 940 Slotted Round (Cap) Nuts – Applications & End Uses

DIN 940 Slotted Round (Cap) Nuts are widely specified across multiple industries. Select an industry below to see how our DIN 940 round nuts are applied.
DIN 940 Slotted Round (Cap) Nuts are used in bearing adjustments for critical fastening applications where dimensional accuracy and mechanical performance are essential. Grade 5 is most commonly specified for bearing adjustments environments.
In lathe chucks, DIN 940 Slotted Round (Cap) Nuts are valued for consistent dimensions and reliable load-bearing capability. We supply with full test documentation to support quality audits and project inspections.
DIN 940 Slotted Round (Cap) Nuts are used in wheel hubs assemblies where precise torque control and consistent fit are critical. We supply to OEM manufacturers and contractors with custom packaging formats.
For spindles applications, DIN 940 Slotted Round (Cap) Nuts are supplied with material test reports, dimensional inspection certificates and PPAP documentation where required.
DIN 940 Slotted Round (Cap) Nuts 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 940 Slotted Round (Cap) Nuts are fastened into assemblies requiring long-term reliability. Our export-packaged DIN 940 round nuts arrive protected from transit corrosion with full documentation.

Request a Quote for DIN 940 Slotted Round (Cap) Nuts

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 DIN 940

Common questions from buyers sourcing DIN 940 Slotted Round (Cap) Nuts, covering sizes, grades, documentation and lead times.
We supply DIN 940 Slotted Round (Cap) Nuts from M10 to M100 in Coarse thread. Standard lengths are stocked; non-standard lengths are produced to order. Contact us with your exact requirements for availability confirmation.
DIN 940 Slotted Round (Cap) Nuts are supplied in 5 / 8 / A2. 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 940 Slotted Round (Cap) Nuts 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 940 Slotted Round (Cap) Nuts 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