“I thought the box said 25 kg”: why Molly bolts spin in the hole past 20 kg and what you should be screwing into instead

'I thought the box said 25 kg': why Molly bolts spin in the hole past 20 kg and what you should be screwing into instead

That 25 kg rating on your molly bolt packaging tells only half the story. In real walls, these anchors spin uselessly once you push toward 20 kg, but there’s a simple fix: knowing when to switch to toggle bolts instead.