While expandable anchors offer numerous benefits, certain considerations must be taken into account for optimal performance. Proper installation is crucial; failure to ensure the correct size of the drill hole or using an inappropriate anchor type can lead to reduced efficacy. Additionally, the load class of the anchor should match the intended use to prevent any potential failure under stress.

The addition of washers to hex head self-tapping screws is another feature that enhances their performance. Washers are flat discs, usually made of metal or plastic, placed under the head of the screw. They serve several important purposes