Stainless Steel Socket Head Screws (pack of 10)

What material are these screws made from and do they have magnetic properties?

They are made from SS304 stainless steel and may be mildly magnetic. They offer good chemical resistance.

Are these screws metric and what does A2 refer to?

Yes, they are metric screws known as A2 stainless steel screws.

What type of threads do these screws use and what should I do if I do not know the pitch?

They use coarse threads, which is the industry standard; if you do not know the pitch or threads per inch, these coarse threaded screws are suitable.

How many screws are included in the pack and who is the brand?

The pack contains 10 screws and the brand is Zhongfa Precision.

How is the screw length measured in this product?

Length is measured from under the head.