How do you anchor a hollow door?
Can you put screws in a hollow core door? Hollow doors have little material for nailing and screwing things, but a hollow door anchor can solve this problem. This Old House explains that hollow door anchors are similar to molly bolts. Both are screw fasteners that attach things to hollow walls with anchors lodged inside holes.
How do you strengthen a hollow door? You can reinforce the door by adding a high-security steel striker plate with four screws that penetrate deep into the stud framing plus longer screws to the hinges. This type of reinforced door is almost kick-proof.
Can you use a drywall anchor in a hollow door? Hollow Door and Drywall Anchors (4-Pack) are ideal for use in hollow core doors and drywall. These zinc die-cast anchors offer a holding strength of up to 40 lbs.