1 material: steel
2 Surface: zinc plated or nickel plated
3 size : 4*10 ,4*12 ,  4*25

Shulai Hardware Products Co., Ltd. is a research and development, production, sale and service of hardware company, specialize in the production of standard parts , various of non- standard metals and hardware products. We take the advantage of steady quality and timely delivery, and possess strong researching and developing abilities on new products.

We can produce the kinds of screws as follow:

1 material: SS-304,SS-201,brass ,etc

2 grade: 4.8, 6.8, 8.8, etc

3 Surface: black,plain ,zinc plated,yellow blue zinc plated, etc

4 size: GB,DIN,JIS & 9Nonstandard...(Dia within M12)