It is a type of dowel that is used to mount medium and high weight loads to concrete and allows mounting with normal bolts and studs S type dowel is a type of dowel used to fix heavy objects, usually installed on concrete and similar hard surfaces. Thanks to its S-shaped design, it ensures that the dowel stays firmly in place and helps to obtain better traction. It is known that this dowel is usually produced from metal or nylon materials and used with screws or bolts.