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DIN 439 Thin Hexagon Nuts (Jam Nuts) – Style B – Manufacturer, Exporter & Supplier

We manufacture and export DIN 439 Thin Hexagon Nuts (Jam Nuts) – Style B conforming to exact DIN 439 dimensional and mechanical specifications. Available in 04 / A2-035 / A4-035, our DIN 439 jam 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 439 Key Specifications

The core specification data for DIN 439 Thin Hexagon Nuts (Jam Nuts) – Style B, at a glance.

Standard

DIN 439

Type

Thin Hexagon Nuts (Jam Nuts) – Style B

Size Range

M1.6 to M52

Thread Pitch

Coarse & Fine

Property Class / Grade

04 / A2-035 / A4-035

Head / Drive Type

Hex Thin

About DIN 439 Thin Hexagon Nuts (Jam Nuts) – Style B

DIN 439 Thin Hexagon Nuts (Jam Nuts) – Style B are jam nuts produced and tested to the exact requirements of the DIN 439 specification. Featuring a Hex Thin configuration with Coarse & Fine thread form, they are available in property classes 04 / A2-035 / A4-035 across a size range of M1.6 to M52. The DIN 439 standard governs dimensional tolerances, mechanical properties including tensile strength, proof load and hardness, as well as surface finish requirements to ensure dependable performance in Locking Applications and Machinery applications worldwide.
Our DIN 439 Thin Hexagon Nuts (Jam Nuts) – Style B 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 Automotive, General Engineering and Precision Instruments applications. As a global exporter of DIN 439 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

04 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 439 Dimensions & Size Chart

Precise dimensional data for every DIN 439 Thin Hexagon Nuts (Jam Nuts) – Style B size, cross-referenced against the standard’s key measurement points.
Size (M)s (mm)e min (mm)m (mm)
M35.56.011.8
M47.07.662.2
M58.08.792.7
M610.011.053.2
M813.014.384.0
M1017.018.905.0
M1219.021.106.0
M1624.026.758.0
M2030.033.5310.0
M2436.039.9812.0
M3046.050.8515.0
M3655.060.7918.0
Key Dimension Callouts

d

Nominal internal thread diameter of the thin hex nut.

m

Overall nut height measured parallel to the thread axis.

s

Across-flats wrench size for hexagon nut installation.

e

Across-corners diameter defining minimum hexagon corner clearance.

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DIN 439 Thin Hexagon Nuts (Jam Nuts) – Style B – Material Grades & Property Classes

DIN 439 Thin Hexagon Nuts (Jam Nuts) – Style B are available across multiple property classes and surface finish options to match load-bearing and corrosion-resistance requirements for Locking Applications, Machinery and Automotive applications.
Property Classes
04 A2-035 A4-035
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 439 Thin Hexagon Nuts (Jam Nuts) – Style B?

Nine reasons buyers worldwide rely on us as their DIN 439 Thin Hexagon Nuts (Jam Nuts) – Style B manufacturer and export partner.
ISO Certified Production

Every batch of DIN 439 Thin Hexagon Nuts (Jam Nuts) – Style B 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 439 Thin Hexagon Nuts (Jam Nuts) – Style B shipment.

48-hr Dispatch on Stock Items

Commonly stocked DIN 439 Thin Hexagon Nuts (Jam Nuts) – Style B 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 439 Thin Hexagon Nuts (Jam Nuts) – Style B to buyers in over 50 countries worldwide.

Custom Sizes & Lengths

Non-standard DIN 439 Thin Hexagon Nuts (Jam Nuts) – Style B lengths, diameters and special thread pitches are produced to order to match your drawing requirements.

Competitive Factory Pricing

Direct-from-factory pricing on DIN 439 Thin Hexagon Nuts (Jam Nuts) – Style B 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 439 Thin Hexagon Nuts (Jam Nuts) – Style B are performed in our in-house laboratory before every release.

Consolidated Multi-Standard Shipping

Combine DIN 439 Thin Hexagon Nuts (Jam Nuts) – Style B 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 439 Thin Hexagon Nuts (Jam Nuts) – Style B export order.

DIN 439 Thin Hexagon Nuts (Jam Nuts) – Style B – Applications & End Uses

DIN 439 Thin Hexagon Nuts (Jam Nuts) – Style B are widely specified across multiple industries. Select an industry below to see how our DIN 439 jam nuts are applied.
DIN 439 Thin Hexagon Nuts (Jam Nuts) – Style B are used in locking applications for critical fastening applications where dimensional accuracy and mechanical performance are essential. Grade 04 is most commonly specified for locking applications environments.
In machinery, DIN 439 Thin Hexagon Nuts (Jam Nuts) – Style B are valued for consistent dimensions and reliable load-bearing capability. We supply with full test documentation to support quality audits and project inspections.
DIN 439 Thin Hexagon Nuts (Jam Nuts) – Style B are used in automotive 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 439 Thin Hexagon Nuts (Jam Nuts) – Style B are supplied with material test reports, dimensional inspection certificates and PPAP documentation where required.
DIN 439 Thin Hexagon Nuts (Jam Nuts) – Style B for precision instruments use are selected from stainless steel or coated grades to provide appropriate corrosion resistance while maintaining specified mechanical performance.
In general engineering applications, DIN 439 Thin Hexagon Nuts (Jam Nuts) – Style B are fastened into assemblies requiring long-term reliability. Our export-packaged DIN 439 jam nuts arrive protected from transit corrosion with full documentation.

Request a Quote for DIN 439 Thin Hexagon Nuts (Jam Nuts) – Style B

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 439

Common questions from buyers sourcing DIN 439 Thin Hexagon Nuts (Jam Nuts) – Style B, covering sizes, grades, documentation and lead times.
We supply DIN 439 Thin Hexagon Nuts (Jam Nuts) – Style B from M1.6 to M52 in Coarse & Fine thread. Standard lengths are stocked; non-standard lengths are produced to order. Contact us with your exact requirements for availability confirmation.
DIN 439 Thin Hexagon Nuts (Jam Nuts) – Style B are supplied in 04 / A2-035 / A4-035. 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 439 Thin Hexagon Nuts (Jam Nuts) – Style B 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 439 Thin Hexagon Nuts (Jam Nuts) – Style B 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