Drywall screws are Philips, not Robertson. The cam-out feature is used to prevent over-penetration, which badly weakens the drywall. These bits are used; they p

Drywall screws are Philips, not Robertson. The cam-out feature is used to prevent over-penetration, which badly weakens the drywall. These bits are used; they precisely dimple the paperboard and prevent the gypsum from being crushed. https://www.amazon.com/Magnetic-Positioning-Screwdriver-Drywall-Plasterboard/dp/B09PL9BX2F/ref=sr_1_12?keywords=drywall+screwdriver&qid=1674948972&sr=8-12 https://www.amazon.com/Magnetic-Positioning-Screwdriver-Dryw... I do have a bunch of what look like drywall screws with Robertson heads, but I am certain that they are not intended for use with drywall.