Overall Description
| Name | Black Countersunk Head Machine Screw |
| Size | M2.5-M6 or OEM |
| Material | Terified material such as carbon steel |
| Surface | Black zinc plating, etc |
| Feature | Countersunk head, nylok, etc |
| Drive type | Corss recessed, etc |
| Head style | Countersunk head |
| OEM/ODM | Availale |
| Application | Machines parts, sports parts, and so on |
Black Countersunk Head Machine Screw Details
Black Countersunk Head Machine Screw Application
Black Countersunk Head Machine Screw Production Flow
Partners
FAQ:
How is the salt spray test?
We use 5% sodium chloride solution with a little glacial acetic acid. The solution will down to about 3, so it will be acidic. At a result, the salt spray will be acidic as well. The rate of corrosion is 3 times faster than NSS test.
But different test for different material. We will choose the good way for evaluation.
Are you able to offer quotation in CNY, HKD, USD, or EUR?
At present, we can accpet CNY and USD.
How about your delivery time
General speaking, if the goods is in stock, we can deliver them within 24 hours. If the quantity is less than 20,000pcs, we deliver them in 7-10 days. For mass production, we can deliver them in about 20 days.
How to custom-made (OEM/ODM)?
If you have a new product drawing or a sample, please send to us, and we can custom-made the hardware as your required. We will also provide our professional advices of the products to make the design to be more realized & maximize the performan