1. Standards: ANSI, DIN, JIS, etc.
2. Head type: pan head, flat head, round head, oval head.
3. Drive type: +, -, +/-, Trox, square.
4. Material: steel, stainless steel.
5. Surface finish: zinc yellow plated, zinc white plated, self-color, black finish, nickel plated, chrome plated.
We can produce any sizes and styles as your request.