A 30mm 3 5mm screw would be good for most hooks but extra length might be needed.
Screws for hollow doors handles.
Use only a 2 phillips screwdriver.
To mount anything into a hollow door requires special hollow door anchors.
Toggler toggle ta hollow door anchor with screws polypropylene made in us 1 8 to 1 4 grip range for 8 to 12 fastener sizes pack of 5 4 6 out of 5 stars 174 7 49 7.
E z ancor 1 in.
Expansion anchors and hollow wall anchors.
Choosing the right kind of anchor will offer strength and support.
Take two fixings and pop each one into a hole pushing them in firmly so that the top of the plug sits flush with the door.
This complicates mounting items such as pictures mirrors hooks etc.
The screw must be long enough to grip the tip of the plug after passing through the item that is being fixed to the door.
Since there s not much solid wood in a hollow core interior door screws will usually tear out of the door as soon as any weight is applied to them.
Finally using two no 6 screws screw your hanging rail in place on the door.
They offer a holding strength of up to 40 lb.
No pre drilling is necessary in drywall anchors screw directly into wall and will not break if they hit a stud.
Hollow door fixing holes drilled out.
Hollow door fixing plugs pushed into holes in door.
25mm long screws do not work they are not long enough to grip the tip of the plug properly.
Hollow door and drywall anchors 25 pack are ideal for use in hollow core doors and drywall.