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din 74361 safety fastening for automotive and commercial vehicles-0

Nut

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High-Tensile Alloy Steel Wheel Nut ISO 4036/DIN 74361 Safety Fastening for Automotive and Commercial Vehicles

Precision-Engineered Conical and Spherical Seats for Maximum Clamping Force

  • Overview
  • Key Features
  • Technical Specifications
  • Materials & Surface Finish
  • Applications
  • Customization Options
  • Packing & Logistics
  • FAQ
  • Pyramid Hardware Fasteners
  • Recommended Products

The Wheel Nut (Lug Nut) from Pyramid Hardware is a critical safety component manufactured to the highest standards of the automotive industry. Specifically designed to secure wheels to hubs on passenger cars, commercial trucks, and heavy-duty trailers, these nuts are engineered to withstand extreme centrifugal forces, heat cycles, and road vibrations. Manufactured from high-tensile alloy steel (Grade 10.9 or 12.9 equivalents), our wheel nuts feature precision-machined seats (60° cone, spherical, or flat flange) to ensure perfect alignment and maximum surface contact. As an IATF 16949 certified manufacturer in Egypt, Pyramid Hardware provides the reliability and safety that global automotive OEMs and aftermarket distributors demand.

Key Features

High-Tensile Integrity:

  • Made from 10B21 or 40Cr alloy steel, these nuts are heat-treated to achieve superior tensile strength and resistance to thread stripping.

Precision Seat Geometry:

  • Available in 60° conical, spherical (ball), or flat flange types to match the specific mounting requirements of steel and alloy wheels.

Corrosion-Resistant Coatings:

  • Our multi-layer coatings (Dacromet/Geomet/Zinc-Nickel) provide up to 1000 hours of salt spray resistance, essential for harsh winter road conditions.

Anti-Seize Thread Quality:

  • Precision-cut threads (6H tolerance) ensure smooth installation and prevent galling on the wheel studs.

Consistent Torque Performance:

  • Every batch is tested for torque-tension consistency to ensure reliable wheel retention without over-stressing the studs.

Technical Specifications

Parameter

Details

Standard

ISO 4036, DIN 74361, SAE J1199

Size Range

M10 - M30; 1/2"-20, 9/16"-18

Common Sizes

M12x1.5, M12x1.25, M14x1.5, M22x1.5 (Trucks)

Material Grade

Grade 8, 10, 12 (Equivalent to 8.8, 10.9, 12.9)

Seat Type

60° Cone, Spherical (R12/R14), Flat with Washer

Surface Treatment

Dacromet, Geomet, Chrome, Zinc-Nickel, HDG

Materials & Surface Finish

Alloy Steel:

  • 10B21 and 40Cr steel are our standards for Grade 10 automotive fasteners.

Surface Treatment:

Dacromet/Geomet:

  • The industry standard for truck wheel nuts, offering thin-film corrosion protection without hydrogen embrittlement.

Chrome Plating:

  • Popular for passenger car alloy wheels where a premium look is required.

Zinc-Nickel (Zn-Ni):

  • Provides the highest corrosion resistance for electric vehicles and heavy-duty commercial fleets.

Hot-Dip Galvanizing:

  • Used primarily for agricultural and slow-moving industrial trailers.

Applications

Passenger Vehicles:

1. OEM and aftermarket lug nuts for sedans, SUVs, and light trucks.

Commercial Trucking:

2. Heavy-duty M22 wheel nuts for Class 8 trucks and semi-trailers.

Agricultural Machinery:

3. Securing large wheels on tractors, harvesters, and sprayers.

Buses & Mass Transit:

4. Reliable fastening for urban and long-haul transport fleets.

Off-Road/ATV:

5. High-strength lug nuts for vehicles operating in extreme mud and dirt conditions.

Military Vehicles:

6. Specialized fasteners for armored personnel carriers and tactical vehicles.

Customization Options

Customization

Availability

Details

Closed-End / Open-End

Yes

Protected internal threads or through-hole design

Integrated Washer

Yes

For heavy-duty commercial truck applications

Custom Engraving

Yes

Identification marks or branding on the nut face

Special Keyed Profiles

Yes

Anti-theft locking wheel nut designs

Company Strengths

Pyramid Hardware is uniquely positioned as a high-quality, high-capacity automotive fastener hub. Our IATF 16949:2016 certification ensures compliance with the most stringent automotive quality standards in the world. Based in Egypt's 6th of October City, we leverage our 50+ machine capacity and 15+ years of experience to provide factory-direct 15-30% savings compared to traditional sourcing routes. We offer 100% batch traceability and support third-party inspections by SGS or BV.

Packing & Logistics

Standard:

  • Heavy-duty cartons (max 25kg) or bulk crates for high-volume OEMs.

Ports:

  • Alexandria, Port Said.

Incoterms:

  • FOB, CIF, DDP (Available for certain regions).

Sample Lead Time:

  • 10-15 working days.

FAQ

Q: Can I use a 60° cone nut on a wheel with spherical holes?

1. A: No. The seat types must match perfectly. Using the wrong seat type will lead to loose wheels and stud failure.

Q: What is the difference between Grade 8 and Grade 10 wheel nuts?

2. A: Grade 10 offers higher tensile strength and is required for most modern heavy vehicles and high-performance cars.

Q: Do you offer 100% optical sorting?

3. A: Yes, for automotive assembly lines, we can provide zero-defect optical sorting to ensure consistent production.

Q: Can your nuts withstand salted winter roads?

4. A: Yes, our Zinc-Nickel and Geomet coatings are specifically designed for 1000-hour salt spray resistance.

Q: What is the lead time for a container-load of M22 truck nuts?

5. A: Usually 20-25 working days from order confirmation to departure from Alexandria port.

Pyramid Hardware Fasteners

Sales Inquiry:

[email protected]

Phone/WhatsApp:

  • +20-1555577497

Address:

  • Block No. 236 - Second Industrial Zone, 6th of October City, Giza, Egypt.

MOQ:

  • 500-1000 pcs per size.

Sample Time:

  • 10-15 days.

Bulk Lead Time:

  • 15-25 working days.

Certifications:

  • ISO 9001:2015, IATF 16949.

Inspection:

  • SGS / BV / TÜV accepted.

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