When your machinery demands unmatched strength and reliability, Carbon Steel Material Nuts from Xi’an QinSteel deliver. Engineered for heavy-load applications in automotive, agriculture, and construction, our nuts combine premium-grade materials with precision manufacturing. Backed by ISO 9001 and ASTM certifications, we ensure every nut meets rigorous global standards while offering tailored solutions for unique project needs.
The products are the backbone of secure fastening in extreme conditions. Here’s what makes ours stand out:
| Feature | Details |
|---|---|
| Sizes | M5–M100 / 5/16"–4" |
| Thread Types | Metric, UNC, UNF |
| Materials | ASTM A194 2H/2HM Carbon Steel |
| Coatings | Zinc, Nickel, Black Oxide, Plain |
| Hardness | HRC 22–34 |
| Lead Time | 15–30 days (standard orders) |
1. Automotive Systems: Secure engine mounts, brake assemblies, and chassis components under constant vibration.
2. Heavy Machinery: Lock critical joints in cranes, excavators, and mining equipment exposed to heavy loads.
3. Agricultural Gear: Withstand mud, moisture, and repetitive stress in tractors and harvesters.
4. Energy Infrastructure: Reliable performance in oil rigs, wind turbines, and pipeline fittings.
1. Zero-Compromise Quality: Carbon Steel Material Nut GMP-certified production with 100% batch testing for hardness, torque, and dimensional accuracy.
2. Ready-to-Ship Inventory: 3,000+ metric tons in stock to eliminate supply chain delays.
3. Tailored for Your Needs: Custom sizes, threading, or coatings via OEM/ODM services.
4. Certified Globally: Complies with CE, CSA, RoHS, and IATF 16949 for automotive projects.
5. Packaging That Protects: VCI anti-rust films and shock-resistant crates for damage-free delivery.



Q: Can I get samples before bulk ordering?
A: Yes! We provide sample products to test fitment and performance.
Q: What if my project needs non-standard sizes?
A: Our R&D team creates custom nuts – share your specs, and we’ll handle the rest.
Q: How do you prevent corrosion during shipping?
A: Nuts are vacuum-sealed with anti-rust coatings and desiccant packs for humid climates.
Q: Do you offer discounts for large orders?
A: Absolutely. Contact us for volume pricing on orders above 50 tons.
Whether you need standard Carbon Steel Material Nuts or a custom solution, we’re here to help.
📩 Email: info@sxqinsteel.com
🌐 Response Time: Within 24 hours (Mon–Sat).
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