I'm trying to replace the broken hinges on top-opening uPVC double glazed unit. But some of the screws attaching them to the frame have rusted through. I sprayed WD40 but I get no grip at all with my screwdriver. Is there a way to remove the screws without causing damage to the frame? TIA.
How to remove rusty screw
Jul 11, 2003
7 Replies
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Assuming they are crosshead, get the apropriate anti cam out rib screwdriver bit and undo them. MrCheerful
Read the full replyInformation here may be outdated?
Slot head/Posidrive or Phillips
Assuming they are crosshead, get the apropriate anti cam out rib screwdriver bit and undo them.
MrCheerful
I thought your spell checker had failed but no - summat I've never heard of
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Either way, try *tightening* them a tad first, then undoing them.
Thanks for many helpful comments. I will try the more gentle method, though standing on a ladder and my hand on an awkward angle it isn't easy to apply solid pressure.
BTW, what kind of screws do I use as replacements - brass, SS, galvanised? As I live near the sea it doesn't take long for the rust to appear on anything metallic.
Alec
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Diamond paste in oil, sold as "magic screwdriver grip". It's impressively effective.
A good screwdriver bit helps too. I have a Wiha with diamond-plated faces that is handy for awkward ones. They don't last though, so don't use it for "everyday".
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