china Self Tapping Screw supplier
The screws have burrs or burrs. The reason is that the die is poorly formed, mainly because the gap between the punch bar and the die hole is too large or the punch bar is too short.
Surface treatment is a process of forming a coating on the surface of a workpiece by a certain method. The purpose of the surface treatment is to give the surface of the product an aesthetic and anti-corrosion effect. The surface treatment methods are attributed to the following methods:
1. Electroplating
2. Hot dip galvanizing
3. Mechanical plating
How the product pricing and how to consult prices?
A:We pricing the products according to the customers' choice on materials,printing,and other process flow and so on. And you can inquiry by TM,skype or send e-mail to us.
What information should I let you know if I want to get a quotation?
A:-size of the products (Length x Width x Height)
-material and surface handling (We could advise if you’re not sure)
-printing colors (could quote 4C if you’re not sure)
-quantity
-FOB price is our usual price term, if you need CIF price, please let us know your port of destination.
-If it is possible, please also provide with pictures or design sketch for checking. Samples will be best for clarifying. If not, we will recommend relevant products with details for reference.
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