Shanghai Metal has a wide range of industrial quality screws for the DIY and trade user, available through most hardware stores.

Specifications of Metric Screws:
1.Standard: DIN, BS, IFI, JIS, ISO,GB,ANSI,ASME,Non-Standard
2.Material: 
1) Carbon Steel
2) Alloy Steel
3) Stainless Steel
4) Brass
5) Aluminum 
6) Iron,etc.
3.Surface Treatment:
Yellow zinc plated and blue zinc plated, plain(self color)
Zinc plated, Cr3+Cr6+Zinc plated, black, head colored dacromet, HDG etc.

Advantages of Metric Screws:
1. High hardness
2. High and low temperature resistant
3. Multicolor choose
4. Competitive Price
5. Superior Quality,ISO9001:2000 quality assurance

Here are our Metric Screws:

Types:

1) Wood Screws

2) Self tapping Screws

3) Self drilling Screws

4) Chipboard Screws

5) Drywall Screws

6) Furniture Screws

Screws are generally made from low to medium carbon steel wire, but other tough and inexpensive metals may be substituted, such as stainless steel, brass, nickel alloys, or aluminum alloy.