| Item | Specification |
|---|---|
| Material | Carbon Steel, Alloy Steel, Stainless Steel (A2 / A4), Brass |
| Size Range | M4 – M30 / 1/4” – 1-1/4” (customized available) |
| Thread Type | Metric, UNC, UNF, BSW, Customized |
| Surface Finish | Zinc Plated, Hot-Dip Galvanized, Black Oxide, Nickel Plated |
| Strength Grade | 4, 6, 8, 10 (Steel) / A2-70, A4-80 (Stainless Steel) |
| Type | Standard Square Nut, Heavy Square Nut, Weld Square Nut, Slotted Square Nut |
| Standards | DIN 557, DIN 562, ANSI/ASME, ASTM |
| Packaging | Bulk, Small Box, Carton + Pallet, OEM Customized |
Square Weld Nut Manufacturer
Square Weld Nuts are designed to provide strong, permanent threaded connections for sheet metal, steel structures, machinery, automotive components, and industrial equipment. Compared with conventional hex nuts, the square shape offers better positioning during welding and provides a larger contact area for enhanced joint strength.
Manufactured from high-quality carbon steel, stainless steel, or alloy steel, our square weld nuts feature precision-machined threads, excellent dimensional accuracy, and reliable welding performance. Various surface treatments are available to improve corrosion resistance and extend service life in different working environments.
As a professional Square Weld Nut Manufacturer and OEM Fastener Supplier, NINGBO JINGLE HARDWARE MANUFACTURING CO., LTD. provides standard and custom weld nuts according to customer drawings or specifications.
Features
- High-strength welded threaded connection
- Large welding surface for improved stability
- Accurate internal thread with smooth assembly
- Suitable for manual and automated welding
- Excellent dimensional consistency
- Available in metric and inch thread sizes
- OEM & ODM manufacturing available
- Strict quality inspection before shipment


