Item: Allen Bolt

Welcome to visit our company website:http://www.sz-hongyi.com.cn

High quality, competitive price

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

2.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.

The picture below shows our Carbon Sulfur Analyzer

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

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

5.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.