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DIN 937 Low Hexagon Castle (Slotted) Nuts – Manufacturer, Exporter & Supplier

We manufacture and export DIN 937 Low Hexagon Castle (Slotted) Nuts conforming to exact DIN 937 dimensional and mechanical specifications. Available in 04 / A2, our DIN 937 castle 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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View Standards

DIN 937 Key Specifications

The core specification data for DIN 937 Low Hexagon Castle (Slotted) Nuts, at a glance.

Standard

DIN 937

Type

Low Hexagon Castle (Slotted) Nuts

Size Range

M4 to M36

Thread Pitch

Coarse & Fine

Property Class / Grade

04 / A2

Head / Drive Type

Low Hex with Slots

About DIN 937 Low Hexagon Castle (Slotted) Nuts

DIN 937 Low Hexagon Castle (Slotted) Nuts are castle nuts produced and tested to the exact requirements of the DIN 937 specification. Featuring a Low Hex with Slots configuration with Coarse & Fine thread form, they are available in property classes 04 / A2 across a size range of M4 to M36. The DIN 937 standard governs dimensional tolerances, mechanical properties including tensile strength, proof load and hardness, as well as surface finish requirements to ensure dependable performance in Agricultural Machinery and Industrial Equipment applications worldwide.
Our DIN 937 Low Hexagon Castle (Slotted) 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 Automotive, General Engineering and General Engineering applications. As a global exporter of DIN 937 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 937 Dimensions & Size Chart

Precise dimensional data for every DIN 937 Low Hexagon Castle (Slotted) Nuts size, cross-referenced against the standard’s key measurement points.
Size (M)s (mm)m (mm)n (mm)b (mm)
M6103.21.81.6
M8134.02.22.0
M10175.02.72.5
M12196.03.23.0
M16248.04.03.5
M203010.04.54.0
M243612.05.55.0
Key Dimension Callouts

d

Nominal internal thread diameter of the nut.

m

Overall thin nut height including slotted crown.

s

Across-flats wrench size of hexagon body.

n

Width of each slot for cotter pin clearance.

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DIN 937 Low Hexagon Castle (Slotted) Nuts – Material Grades & Property Classes

DIN 937 Low Hexagon Castle (Slotted) Nuts are available across multiple property classes and surface finish options to match load-bearing and corrosion-resistance requirements for Agricultural Machinery, Industrial Equipment and Automotive applications.
Property Classes
04 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 937 Low Hexagon Castle (Slotted) Nuts?

Nine reasons buyers worldwide rely on us as their DIN 937 Low Hexagon Castle (Slotted) Nuts manufacturer and export partner.
ISO Certified Production

Every batch of DIN 937 Low Hexagon Castle (Slotted) 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 937 Low Hexagon Castle (Slotted) Nuts shipment.

48-hr Dispatch on Stock Items

Commonly stocked DIN 937 Low Hexagon Castle (Slotted) 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 937 Low Hexagon Castle (Slotted) Nuts to buyers in over 50 countries worldwide.

Custom Sizes & Lengths

Non-standard DIN 937 Low Hexagon Castle (Slotted) 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 937 Low Hexagon Castle (Slotted) 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 937 Low Hexagon Castle (Slotted) Nuts are performed in our in-house laboratory before every release.

Consolidated Multi-Standard Shipping

Combine DIN 937 Low Hexagon Castle (Slotted) 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 937 Low Hexagon Castle (Slotted) Nuts export order.

DIN 937 Low Hexagon Castle (Slotted) Nuts – Applications & End Uses

DIN 937 Low Hexagon Castle (Slotted) Nuts are widely specified across multiple industries. Select an industry below to see how our DIN 937 castle nuts are applied.
DIN 937 Low Hexagon Castle (Slotted) Nuts are used in agricultural machinery for critical fastening applications where dimensional accuracy and mechanical performance are essential. Grade 04 is most commonly specified for agricultural machinery environments.
In industrial equipment, DIN 937 Low Hexagon Castle (Slotted) 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 937 Low Hexagon Castle (Slotted) Nuts 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 937 Low Hexagon Castle (Slotted) Nuts are supplied with material test reports, dimensional inspection certificates and PPAP documentation where required.
DIN 937 Low Hexagon Castle (Slotted) 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 937 Low Hexagon Castle (Slotted) Nuts are fastened into assemblies requiring long-term reliability. Our export-packaged DIN 937 castle nuts arrive protected from transit corrosion with full documentation.

Request a Quote for DIN 937 Low Hexagon Castle (Slotted) 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 937

Common questions from buyers sourcing DIN 937 Low Hexagon Castle (Slotted) Nuts, covering sizes, grades, documentation and lead times.
We supply DIN 937 Low Hexagon Castle (Slotted) Nuts from M4 to M36 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 937 Low Hexagon Castle (Slotted) Nuts are supplied in 04 / 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 937 Low Hexagon Castle (Slotted) 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 937 Low Hexagon Castle (Slotted) 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
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  • Tiruppur
  • Vadodara
  • Visakhapatnam

Countries We Export To:

  • US
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  • Germany
  • UK
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  • Norway
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  • Turkey
  • UAE
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  • Qatar
  • Oman
  • Kuwait
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