Essential details
MOQ:20000
Lead time:45 days after the payment received
Shipping:Ocean Freight
Product Introduction
Quality Black Annealed Steel Concrete Nails
- Material: High Carbon Steel
- Finish: Black Annealed
- Application: Concrete, masonry & cement block fastening only
- Hardness: HRC 45-55, no bending/breakage
- Size Range: 25mm (1") to 150mm (6")
- Point: Diamond point for easy, clean penetration
| Item | Specification Details |
|---|---|
| Product Name | Quality Black Annealed Steel Concrete Nails |
| Core Application | Exclusively for fastening into concrete, masonry, brick, and cement blocks |
| Material | High Carbon Steel (Q235 / 45# Grade) |
| Surface Treatment | Black Annealed (high-temperature annealing process, forming a dense black oxide protective layer) |
| Point Type | Precision Diamond Point (for clean, effortless penetration with minimal substrate cracking) |
| Shank Type | Smooth Shank (standard for black annealed concrete nails) |
| Head Type | Flat Countersunk Head (flush finish, stable driving) |
| Available Standard Sizes | Length: 25mm (1") to 150mm (6")Shank Diameter: 2.2mm to 5.0mm (matched to length)Head Diameter: 5.0mm to 10.0mm (matched to length) |
| Hardness Grade | HRC 45-55 (balanced hardness & toughness, no bending/breakage during installation) |
| Corrosion Resistance | Black annealed oxide layer provides long-term protection against mild moisture and oxidation |
| Installation Compatibility | Compatible with standard hammers, nail guns, and pneumatic tools |
| Quality Standard | Manufactured to international concrete nail industry standards, with 100% dimensional and hardness inspection |
Product details

