Specifications

socket screw
Size:M5x5
Material:Alloy steel
Standard:DIN913
Finish:Black Zinc

Item: threaded fasteners

Welcome to visit our company website:

 

High quality, competitive price

1.Pls see the picture below and you can see if the screws you need is standard.

 

 

2.It is necessary to test Go and Nogo gague.

 

3.Many factory use stainless steel 200 or 400 series instead of stainless steel 304 in the market of China, the performance of Rust resistance is not good. But we can promise that the material we use is SUS304. We promise the fasteners we supply is made of the right material.

 

The picture below shows our Carbon Sulfur Analyzer

 

 

4..If the torsion of the screw is not qualified, it will be possible to be Wrench slipping in the process of using. In order to ensure our quality, we will test it in advance.

5.Most of cunstomers would have high requirement on the hardness. We have Rockwell and Vicekers Hardness Tester, we can cotrol the hardness in the  range.

 

5.Customized fastenters can be made as customer's sample or drawing

 

6.We are the professional manufacturer of Screws and Nuts,located in jiangsu province.The biggest advantage of

our company is to specialize in producing various kinds of special screws.