Nut and bolt

This emoji is often used to represent a problem that needs to be fixed, or a difficult situation that needs to be addressed. It is also used to represent a difficult task or challenge. This emoji is fairly popular and is used across all age groups. It is most commonly used on Twitter, Instagram, and Facebook. It is not a rude emoji and is used in a variety of contexts.

The history of this emoji dates back to 2010 when it was added to the Unicode Standard. It was originally designed by Japanese designer Shigetaka Kurita as part of the first set of 176 emoji released for the Japanese mobile phone provider, i-mode. Since then, it has become a widely used emoji across many different platforms.