ซัพพลายเออร์ที่มีใบอนุญาตการทำธุรกิจ
ซัพพลายเออร์ที่ผ่านการตรวจสอบแล้ว Black concrete nails without anti-corrosion coating. The nails used in the construction, repair, or manufacture of a rough product are essential and the most simple. They are used to connect a variety of designs from rough wood structures, such as formwork and scaffolding.
Black concrete nails are made from black carbon steel wires. We have several shank types for black concrete nails including smooth shank, ring shank, twisted shank, and twilled shank. The head types of black concrete nails can be headless, or round head. It offers good strength.
Specification
Nail Wire Diameter: 1.2mm to 8.8mm
Nail Length: 16mm to 310mm, standard sizes 150, and rare 200 and 300.
Finish: not have a protective coating
Production process
Modern apparatus for manufacturing nails is completely automated and is a complex of several units assembled under one housing. Production of black nails in the following stages: wire size specified from the bay by mangle the machine is fed into the nail unit is fixed and special grips cut to the desired length. On the resulting workpiece use an Upset slide forming the cap and the tip of the stump. The nail is ready.
The black concrete nails application
popularity in the use of nails was black due to the low cost and ease of installation. Used for fixing the ordinary hammer. Construction black nails are widely used by carpenters, roofers, and carpenters, as well as to create temporary connections and interior decorating for fastening wooden parts not exposed to moisture (internal structure, floors).
The disadvantage of black nails:
Due to the lack of galvanizing, these nails are easily prone to corrosion. Because of the instability of corrosion, their use in high humidity is undesirable. Also, black construction nails do not apply in cases where the need is a great appearance of the finished product.
| Nail diameter | Nail length (mm) | Nail diameter | Nail length (mm) |
| 1.2mm | 16, 20, 25 | 3.5mm | 90, 100 |
| 1.4mm | 25, 30, 32, 40 | 4.0mm | 100, 120 |
| 15mm | 30, 35, 40 | 4.2mm | 75, 100, 125 |
| 1.6mm | 25, 32, 40 | 5.0mm | 120, 150 |
| 1.8mm | 32, 40, 50 | 6.0mm | 150, 180, 200 |
| 2.0mm | 20, 25, 30, 40, 50 | 7.6mm | 250, 260, |
| 2.5mm | 25, 30, 40, 50, 60 | 8.0mm | 250, 280, 300 |
| 3.0mm | 30, 40, 50, 70, 80, 90, 100 | 8.8mm | 300, 310 |
1) Q: Will you deliver the goods as ordered? How can I trust you?
A: Yes, we will. We are a professional manufacturer of iron/steel nails.
Our factory has good qualifications.
Our team has more than 15 years of experience in design and manufacturing.
2) Q: How to choose the products?
A: Please tell us the following details.
Length.
Diameter.
Finish: Polished, electro-galvanized/hot-dip galvanized coating
Thread: twisted, flat shank, ring shank
3) Q: What is the nearest airport to your company?
A: Qingdao, Shandong Province
4) Q: What is your service?
A: Before sales.
Technical support: provide detailed technical information, such as technical and commercial quotations, product photos, etc.
5) Samples.
Are samples available?
Samples of standard specifications are usually available; samples are free of charge, but shipping costs are paid by the buyer.
6) How long is your delivery time?
A: Delivery time varies depending on the season and the quantity of your order; usually, we can deliver your goods within 7 days (excluding shipping time).
ซัพพลายเออร์ที่มีใบอนุญาตการทำธุรกิจ
ซัพพลายเออร์ที่ผ่านการตรวจสอบแล้ว 
