Concrete nail with special materials, concrete nails are specialty nails compared with common iron nails. It is harder, the shank is short and thick commonly and it has excellent piecing and fixing strength. With these features, concrete nails make ideal nails and fasteners for firm and strong sites
| Size | Wire Dia | Length | Head Dia | Head Thickness | Tip Length |
| 25*3.0 | 3.0 | 25 | 6.0 | 0.8 | 5.0 |
| 40*3.2 | 3.2 | 40 | 7.0 | 1 | 5.0 |
| 50*3.2 | 3.2 | 50 | 7.0 | 1 | 5.0 |
| 65*3.6 | 3.6 | 65 | 7.5 | 1.1 | 5.5 |
| 75*4.0 | 4.0 | 75 | 8.5 | 1.2 | 5.5 |
| 100*4.5 | 4.5 | 100 | 9.0 | 1.3 | 6.5 |
