PRODUCT
Material: carbon steel
Standard:DIN 934 / ISO 4032 / ANSI/ASME B18.2.2
Finish: black oxide
MOQ:1000PCS
Samples: Free
Place of Origin: Zhejiang China
Product Details
Our Black Zinc Plated Hex Nuts are manufactured to strict DIN 934 / ISO 4032 standards, ensuring precise threading and a perfect fit with standard bolts. Featuring a unique iridescent black/color zinc finish, these hex nuts provide superior corrosion resistance compared to standard plain steel, making them ideal for both indoor and outdoor heavy-duty applications.
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Superior Coating: The color zinc plating (black/green/purple finish) offers excellent anti-corrosion properties and a professional aesthetic.
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High Strength: Made from high-grade carbon steel, available in class 8 and class 10 hardness.
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Precision Threading: Uniform pitch and clean threads ensure easy tightening and a secure hold.
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Versatile Use: Perfect for machinery assembly, automotive repair, construction, and DIY projects.
Available in various metric sizes (M3, M4, M5, M6, M8, M10, M12, etc.) and imperial sizes. If you require specific standards or bulk quantities, please contact us for a tailored quote.
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Q: What is the surface treatment?
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A: Black zinc/color zinc plating.
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Q: What is the hardness grade?
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A: Class 8 and Class 10 (or Grade 5 and Grade 8).
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Q: What standard does it meet?
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A: DIN 934 / ISO 4032.









