Wedge Anchor Why is it called Wedge Anchor?

Why is it called a wedge anchor? We've only heard of geckos in our lives, but we've never heard of one called the wedge anchor. He had nothing to do with fixing cars? If you take the wedge anchor literally, it's all wrong. Wedge anchors have nothing to do not only with geckos, but also with car repairs. So what is the Wedge Anchor bottom? What the hell is wrong with him?

In addition to the standard anchoring depth, Chiki wedge anchors of each anchoring size can also be installed at shallower depths, providing greater flexibility during installation. In addition, wedge anchors have a long thread, suitable for spaced installation, and can be adjusted flexibly.

Wedge anchors are standard fasteners, so there are different national standards. Therefore, wedge anchors are generally completed in different countries, such as wedge anchors in the United Kingdom and wedge anchors in the United States. Wedge anchors made of different standards also have different properties. In order to adapt to different work requirements and environment. Wedge anchors are generally made of stainless steel or carbon steel. Carbon steel wedge anchors have very high strength. Wedge bolt has good bearing capacity and high safety index.