M12*1.25 Chrome-Plated Carbon Steel Hex Wheel Hub Nuts
Product Description
Nickel-plated wheel nuts are high-performance automotive fasteners designed for securing wheels to vehicle hubs. Crafted from premium base materials (carbon steel 10B38, alloy steel 40Cr, or stainless steel 304) and finished with an electroplated nickel layer, these nuts comply with international standards such as ISO, DIN, ANSI, and JIS. They feature a hexagonal or flange design for easy torque application, with thread specifications covering both metric (M12×1.5, M14×1.5, M10×1.25) and imperial (1/2"-20 UNC, 5/8"-18 UNF) sizes to match passenger cars, trucks, SUVs, trailers, and RVs. The nickel plating process ensures uniform coating thickness (8-15μm) and strong adhesion, combining mechanical strength with corrosion resistance for demanding automotive environments.
The electroplated nickel layer acts as a protective barrier against moisture, road salt, rain, and humidity—critical for automotive applications exposed to outdoor elements. Unlike uncoated nuts, nickel-plated versions resist rust, oxidation, and pitting, even in harsh winter conditions (where road de-icing salts accelerate corrosion) or coastal areas with high salt content. This extends the nut’s service life and maintains structural integrity.
Nickel plating increases the surface hardness of the nut (HV 300-400), reducing wear during installation, removal, and long-term use. The smooth, hard surface prevents thread damage, galling, or seizing (common with uncoated steel nuts), ensuring reliable disassembly for wheel maintenance or tire replacement.
Nickel plating delivers a bright, reflective finish that complements alloy wheels, chrome wheels, or painted rims. The professional, polished look enhances the vehicle’s overall appearance—an important selling point for automotive enthusiasts, aftermarket upgrades, and premium vehicle owners.
Nickel is chemically inert and compatible with most wheel materials, including aluminum alloy, steel, and carbon fiber. It prevents galvanic corrosion (a common issue when dissimilar metals contact) between the nut and wheel hub, avoiding damage to expensive wheel components.
The smooth nickel-plated surface reduces friction during tightening, allowing for consistent torque application (critical for wheel safety). This ensures the nuts are secured to manufacturer-specified torque values, minimizing the risk of loosening due to vibration while driving.
Our nickel-plated wheel nuts use RoHS-compliant plating processes, free from harmful substances (lead, cadmium, hexavalent chromium). They meet international environmental standards, making them suitable for export to EU, US, and other regulated markets.
The base material (alloy steel or carbon steel) provides excellent tensile strength (≥8.8 grade or higher), while the nickel plating does not compromise structural integrity. These nuts safely withstand axial loads, radial forces, and vibration from high-speed driving, ensuring wheel stability and safety.
Application Scenarios:
- Passenger cars, SUVs, trucks, and commercial vehicles
- Aftermarket wheel upgrades and custom modifications
- Trailer, RV, and off-road vehicle applications
- Automotive repair and maintenance (OEM replacement parts)
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M12*1.25 Chrome-Plated Carbon Steel Hex Wheel Hub Nuts Images
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