| Style | Cap Nut |
| Standard | DIN, ANSI, JIS, GB, BS, ISO, etc. |
| Size | M4-M72 |
| Class | 4, 6, 8, 10, 12, etc. |
| Coating | black, zinc, HDG, Heat treatment, plain, etc. |
| Material | Carbon steel & Stainless steel |
| Packing | bulk/ boxes in cartons, bulk in poly bags/ buckets, etc. |
| Pallet | solid wood pallet, plywood pallet, ton box/bag, etc. |
| Shipment Port | Shanghai & Ningbo |