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Durable Square Nuts from China | Four-Sided Nuts | Reliable Suppliers & Factory for Machinery and Furniture Applications
Product Overview
| Product Name | Square Nut / Four-Sided Nut |
| Standards | DIN 557, DIN 562, ASME B18.2.2, or customized |
| Material | Carbon Steel, Stainless Steel (SS304, SS316), Brass |
| Grade | 4, 6, 8, 10 / A2-70, A4-80 |
| Thread Type | Metric / UNC / UNF / BSW |
| Surface Finish | Zinc Plated (Clear / Yellow / Blue), Black Oxide, Hot-Dip Galvanized (HDG), Plain / Polished |
| Size Range | Metric: M4 – M24 Inch: 1/4" – 1" Custom sizes available upon request |
Product Features
Four-sided shape provides greater grip with tools and easy handling
Larger surface area improves resistance to loosening
Ideal for applications with tight clearances
Can be used in channel or square-shaped recesses
Suitable for both light-duty and heavy-duty fastening applications
Cost-effective and widely compatible
Applications
Furniture assembly
Metal structure fastening
Railings, brackets, and mounting systems
Agricultural and mechanical equipment
Vintage or restoration hardware
Wood and metal construction
Packaging & Delivery
| Packaging | Bulk in cartons and wooden pallets Small boxes or polybags with labels Custom packaging available upon request |
| Lead Time | 7–30 days depending on quantity and custom orders |
| Shipping Port | Tianjin, China |
Why Choose Hebei Chudu
- Professional manufacturer with over 10 years of experience in the fastener industry.
- ISO 9001 certified with full quality control and inspection systems.
- Wide range of sizes and finishes to meet global standards.
- OEM and ODM services available.
- Fast response, stable supply, and efficient export logistics.
- Trusted by customers in over 40 countries.
Frequently Asked Questions
What materials are available for Hebei Chudu's square nuts?
We manufacture square nuts in Carbon Steel, Stainless Steel (SS304, SS316), and Brass to meet different strength and corrosion resistance requirements.
Which standards do your four-sided nuts conform to?
Our square nuts are produced in compliance with global standards including DIN 557, DIN 562, and ASME B18.2.2. Custom specifications are also available upon request.
What size ranges do Hebei Chudu square nuts cover?
We offer metric sizes from M4 to M24, and inch sizes from 1/4" to 1". Special custom sizes can be manufactured based on your drawings or requirements.
What surface treatments can you apply to steel square nuts?
We provide multiple surface finish options including Zinc Plating (Clear, Yellow, Blue), Black Oxide, Hot-Dip Galvanizing (HDG), and Plain or Polished finishes.
What is Hebei Chudu's typical lead time and shipping port?
Our standard lead time ranges from 7 to 30 days, depending on order size and customization. All goods are shipped from Tianjin Port, China.
Do you support custom packaging and OEM services?
Yes, we provide fully customizable packaging options, including small boxes and polybags with custom labels, alongside our comprehensive OEM and ODM services.