1. What does “M3 × 20” indicate in this bolt?
“M3” refers to the 3mm thread diameter, while “20” indicates the bolt length in millimeters measured from under the head.
2. What type of screwdriver is required for this bolt?
This bolt uses a Phillips (cross-head) drive, typically compatible with a PH1 screwdriver.
3. What material is the bolt made of and what are its benefits?
It is made from SS304 (Stainless Steel 304), offering excellent corrosion resistance, durability, and long service life.
4. Where is this bolt commonly used?
It is widely used in electronics (such as mounting Arduino Uno), enclosures, robotics, DIY projects, and general mechanical assemblies.
5. Can this bolt be used outdoors?
Yes, SS304 provides good resistance to rust and corrosion, making it suitable for indoor and light outdoor use (though not ideal for highly corrosive environments like marine conditions).
