China Hex Nuts Suppliers | Factory Direct Standard & Heavy Hex Nuts for Various Industries
Product Overview
| Product Name | Hex Nut / Heavy Hex Nut / Standard Hex Nut |
| Standards | DIN 934, ISO 4032, ANSI/ASME B18.2.2, BS, JIS, or custom |
| Material | Carbon Steel |
| Stainless Steel (SS201, SS304, SS316) | |
| Alloy Steel | |
| Brass / Nylon (on request) | |
| 4, 6, 8, 10, 12 | |
| Grade | A2-70, A4-70, A4-80 (Stainless Steel) |
| Finish | Zinc Plated (Clear / Yellow / Blue) |
| Hot-Dip Galvanized (HDG) | |
| Black Oxide | |
| Dacromet / Ruspert | |
| Plain / Polished | |
| Size Range | Metric: M3 – M64 |
| Inch: 1/4" – 2-1/2" | |
| Special/custom sizes available |
Product Features
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The six-sided shape ensures easy tightening with standard tools.
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Available in standard and heavy-duty types
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Durable threads with precise fit to matching bolts
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Corrosion-resistant coatings for long-term usage
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Suitable for both high-strength and general-purpose applications
Applications

Machinery and equipment assembly

Automotive and truck parts

Steel structure and bridge connections

Electrical towers and substations

Petrochemical, mining, and energy industries

General fastening in industrial and commercial use
Packaging & Delivery
| Packaging | Bulk in cartons with wooden pallets |
| Small boxes, plastic bags, or OEM retail packs | |
| Custom logo, barcode, and labels available | |
| Lead Time | 7–30 days depending on order quantity and customization |
| Shipping Port | Tianjin, China |
Why Choose Hebei Chudu
- ✓ Over 10 years of experience in nut and bolt production.
- ✓ In-house production with ISO 9001-certified quality system.
- ✓ Wide stock availability and fast order turnaround.
- ✓ OEM/ODM customization supported.
- ✓ Competitive pricing with flexible MOQs.
- ✓ Exported to over 40 countries worldwide.
Frequently Asked Questions
Q1
What standards do your hex nuts comply with?
Our hex nuts conform to major international standards including DIN 934, ISO 4032, ANSI/ASME B18.2.2, BS, and JIS. Custom manufacturing according to specific drawings is also available.
Q2
What materials and grades are available for your nuts?
We supply carbon steel (Grades 4, 6, 8, 10, 12), stainless steel (SS201, SS304, SS316 in Grades A2-70, A4-70, A4-80), alloy steel, and specialty materials like brass or nylon upon request.
Q3
What options do you offer for surface finishing?
To prevent corrosion, we provide various surface treatments: Zinc Plating (Clear, Yellow, Blue), Hot-Dip Galvanizing (HDG), Black Oxide, Dacromet, Ruspert, and Plain/Polished finishes.
Q4
What sizes of hex nuts are available for order?
We offer a wide range of metric sizes from M3 to M64, and inch sizes from 1/4" to 2-1/2". Special custom sizes can be manufactured based on customer requirements.
Q5
What is the typical shipping lead time and port of dispatch?
The lead time is generally between 7 to 30 days, depending on the order size and customization requirements. All orders are shipped from Tianjin Port, China.
Q6
Do you support custom packaging and OEM branding?
Yes, we support complete OEM/ODM customization. Packaging options include bulk cartons with wooden pallets, small boxes, plastic bags, and custom retail packs with your logo, barcodes, and custom labels.


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