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DIN 6921 Hexagon Head Bolts with Flange – Manufacturer, Exporter & Supplier

We manufacture and export DIN 6921 Hexagon Head Bolts with Flange conforming to exact DIN 6921 dimensional and mechanical specifications. Available in 8.8 / 10.9 / A2-70 / A4-70, our DIN 6921 hex flange bolts 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 6921 Key Specifications

The core specification data for DIN 6921 Hexagon Head Bolts with Flange, at a glance.

Standard

DIN 6921

Type

Hexagon Head Bolts with Flange

Size Range

M5 to M20

Thread Pitch

Coarse

Property Class / Grade

8.8 / 10.9 / A2-70 / A4-70

Head / Drive Type

Hex Head with Integral Flange

About DIN 6921 Hexagon Head Bolts with Flange

DIN 6921 Hexagon Head Bolts with Flange are hex flange bolts produced and tested to the exact requirements of the DIN 6921 specification. Featuring a Hex Head with Integral Flange configuration with Coarse thread form, they are available in property classes 8.8 / 10.9 / A2-70 / A4-70 across a size range of M5 to M20. The DIN 6921 standard governs dimensional tolerances, mechanical properties including tensile strength, proof load and hardness, as well as surface finish requirements to ensure dependable performance in Automotive and Sheet Metal applications worldwide.
Our DIN 6921 Hexagon Head Bolts with Flange 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 Engines, Compressors and Electrical Enclosures applications. As a global exporter of DIN 6921 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

8.8 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 6921 Dimensions & Size Chart

Precise dimensional data for every DIN 6921 Hexagon Head Bolts with Flange size, cross-referenced against the standard’s key measurement points.
Size (M)s (mm)k (mm)dc (mm)L Range (mm)
M584.511.810–50
M6105.014.210–60
M8136.518.012–80
M10157.521.816–100
M12188.526.020–120
M14219.529.925–120
M162410.532.825–120
M203012.540.030–120
Key Dimension Callouts

d

Nominal thread diameter measured across the major thread.

l

Bolt length measured from bearing surface to thread end.

s

Across-flats hex head size for wrench engagement.

dc

Flange diameter across the integral bearing washer face.

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DIN 6921 Hexagon Head Bolts with Flange – Material Grades & Property Classes

DIN 6921 Hexagon Head Bolts with Flange are available across multiple property classes and surface finish options to match load-bearing and corrosion-resistance requirements for Automotive, Sheet Metal and Engines applications.
Property Classes
8.8 10.9 A2-70 A4-70
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 6921 Hexagon Head Bolts with Flange?

Nine reasons buyers worldwide rely on us as their DIN 6921 Hexagon Head Bolts with Flange manufacturer and export partner.
ISO Certified Production

Every batch of DIN 6921 Hexagon Head Bolts with Flange 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 6921 Hexagon Head Bolts with Flange shipment.

48-hr Dispatch on Stock Items

Commonly stocked DIN 6921 Hexagon Head Bolts with Flange 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 6921 Hexagon Head Bolts with Flange to buyers in over 50 countries worldwide.

Custom Sizes & Lengths

Non-standard DIN 6921 Hexagon Head Bolts with Flange lengths, diameters and special thread pitches are produced to order to match your drawing requirements.

Competitive Factory Pricing

Direct-from-factory pricing on DIN 6921 Hexagon Head Bolts with Flange 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 6921 Hexagon Head Bolts with Flange are performed in our in-house laboratory before every release.

Consolidated Multi-Standard Shipping

Combine DIN 6921 Hexagon Head Bolts with Flange 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 6921 Hexagon Head Bolts with Flange export order.

DIN 6921 Hexagon Head Bolts with Flange – Applications & End Uses

DIN 6921 Hexagon Head Bolts with Flange are widely specified across multiple industries. Select an industry below to see how our DIN 6921 hex flange bolts are applied.
DIN 6921 Hexagon Head Bolts with Flange are used in automotive for critical fastening applications where dimensional accuracy and mechanical performance are essential. Grade 8.8 is most commonly specified for automotive environments.
In sheet metal, DIN 6921 Hexagon Head Bolts with Flange are valued for consistent dimensions and reliable load-bearing capability. We supply with full test documentation to support quality audits and project inspections.
DIN 6921 Hexagon Head Bolts with Flange are used in engines assemblies where precise torque control and consistent fit are critical. We supply to OEM manufacturers and contractors with custom packaging formats.
For compressors applications, DIN 6921 Hexagon Head Bolts with Flange are supplied with material test reports, dimensional inspection certificates and PPAP documentation where required.
DIN 6921 Hexagon Head Bolts with Flange for electrical enclosures use are selected from stainless steel or coated grades to provide appropriate corrosion resistance while maintaining specified mechanical performance.
In general engineering applications, DIN 6921 Hexagon Head Bolts with Flange are fastened into assemblies requiring long-term reliability. Our export-packaged DIN 6921 hex flange bolts arrive protected from transit corrosion with full documentation.

Request a Quote for DIN 6921 Hexagon Head Bolts with Flange

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 6921

Common questions from buyers sourcing DIN 6921 Hexagon Head Bolts with Flange, covering sizes, grades, documentation and lead times.
We supply DIN 6921 Hexagon Head Bolts with Flange from M5 to M20 in Coarse thread. Standard lengths are stocked; non-standard lengths are produced to order. Contact us with your exact requirements for availability confirmation.
DIN 6921 Hexagon Head Bolts with Flange are supplied in 8.8 / 10.9 / A2-70 / A4-70. 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 6921 Hexagon Head Bolts with Flange 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 6921 Hexagon Head Bolts with Flange 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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Countries We Export To:

  • US
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