There is a pliers-like tool known as a wall anchor gun, or molly setting tool, or molly setter, that can be used to expand metal wall anchors without the use of a screwdriver. The tool pulls the screw head straight out, expanding the legs. This tool is a real time-saver for a pro, but is somewhat expensive for the weekend molly installer!
It works in a similar fashion to a pop rivet tool.
Perhaps the best reason to use this tool instead of a screwdriver is there is no “torsion” or twisting force on the anchor head. The head of a metal wall anchor has two sharp points that dig into the drywall to hold it in place while you turn the screw. Unfortunately, turning the screw can cause the anchor to spin, especially if the installation point has been repaired before OR if you are installing the metal wall anchor on a hard surface such as on a hollow-core door. With the tool, you can install a wall anchor on most any surface… drywall, wood or even metal! (On hard surfaces, you can bend the points inward to get a more flush fit.)
Wall anchor gun install molly bolt without a screwdriver
Want to buy a pair wall anchor gun for yourself?
When you do a search, use the words “polly setter” as well as “molly setter”. One manufacturer calls their mollies “pollys”. Must be a copyright or trademark issue!