What is a device called that is used to fasten other materials or equipment securely in place?

The term "anchor" refers to a device specifically designed to secure materials or equipment firmly in place, providing stability and support. Anchors are often used in construction, rigging, and related fields, ensuring that objects remain in their intended positions under various conditions.

In practical applications, anchors can take many forms, including mechanical fasteners or embedded devices that provide resistance against forces that could cause movement or dislodgement. For instance, in telecommunications, anchors might be used to secure cables or equipment mounts to walls or support structures, ensuring they are held firmly and do not sag or shift over time.

While other options like "bracket," "support," and "lug" may serve purposes related to securing or holding equipment, an anchor is specifically designed to resist pulling forces and maintain a fixed position, making it the most appropriate choice in the context of securing materials or equipment.