What are the types of internal expansion bolts?

Drop in anchor mainly include the following types: ‌

Carbon Steel drop in anchor

Suitable for fastening hard materials such as concrete, stone and steel, which is the most common type. ‌

Stainless steel drop in anchor

Suitable for occasions that require rust and corrosion resistance, such as marine engineering and chemical equipment. ‌

Aluminum internal expansion bolts

Suitable for occasions that require lightweight and corrosion resistance, such as automobiles and aviation. ‌

Specifications and models The specifications of internal expansion bolts range from M6 to M20, and the specific models include M6 drop in anchor, M8  drop in anchor, M10  drop in anchor, M12  drop in anchor, M14  drop in anchor, M16  drop in anchor, M20  drop in anchor, etc.