Combination screws are a common type of fastener with various specifications. Here are some common screw specifications: Stainless steel screw manufacturers
1. Thread specifications: Thread specifications are one of the key parameters of screws, and common thread specifications include M2, M2.5, M3, M4, M5, M6, M8, M10, M12, etc. Among them, "M" represents metric threads, and the following number represents the diameter of the thread.
2. Screw length: Screw length refers to the theoretical length of a screw, usually measured in millimeters.

3. Thread types: Common thread types include: M-type thread, UNC thread, UNFPA thread, etc. M-type threads are metric threads, while UNC and UNFPA threads are imperial threads. Stainless steel screw manufacturer

4 Material: Screws can be made of different materials, such as carbon steel, stainless steel, copper, aluminum, etc.
5. Head type: There are many types of screw heads, including round head screws, flat head screws, half round head screws, patterned head screws, hexagonal head screws, etc.
6. Drive mode: There are multiple options for driving the screw head, including: ordinary screwdriver (in a straight or cross shape) drive, internal hexagonal drive, external hexagonal drive, etc. Stainless steel screw manufacturer