(1）Because zinc is not easy to change in dry air and can produce a kind of basic zinc carbonate film in humid environment, this kind of film can protect internal parts from corrosion damage. Even if the zinc layer is destroyed by some factors, zinc and steel will form a kind of micro-battery after a period of time, which will make the steel matrix become cathode and be protected.
(2)Product display
The product name is Round head small torx machine screw,the raw material is carbon steel.The surface treatment of this plum screw is zinc plating.The head of the screw is torx round head,high precision,high anti-loosening performance.
（3）Product details
Place of origin:Dongguan,China (Mainland)
Product name:Round head small torx machine screw
Surface treatment:Galvanized
Size:According to customer requirements
Certificate: ISO9001:2015,ISO14001:2015
Price:Factory price
(5)Production process
(6)Service:
1.Customized design is available. ODM&OEM are welcomed.
2.We offer 24-hour services.
3.Samples can be provided as your requirements,we will provide samples for free if we have stock,or make the customized ones with factory price.
4.Professional design team and international sales team for customers service
(7)FAQ
1.Why choose Lanejoy?
Our factory has been focused on precision hardware for more than 13 years,best production & best quality control,best service and factory price.
OEM/ ODM/ customized service provided.
We can provide the samples to the customer.
2.How is quality ensured?
All our processes strictly adhere to ISO9001:20015,ISO14001:20015 procedures. We have strict quality control from producing to delivery.Our company had strong technology support, We have cultivated a group of managers who are familiar with product quality , good at modern concept of management.
3.How do I know about the production?
We will double confirm your requirements and send you the sample before the mass production.During the mass production,we will keep you informed of any progress. Besides, we will do 100% quality inspection before shipment.