Dickyboy
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| posted on 26/11/13 at 12:59 PM |
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Which screws
I am fitting a Polo radiator, the screws that hold the fan to the radiator and the radiator itself look to be self tapping, I don't have a
pattern and I don't want to strip the plastic so I need to identify what fixings they should be, does anyone know the sizes and name to
identify/order some?
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nick205
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| posted on 26/11/13 at 01:32 PM |
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Use a drill bit and a rule to check the diameter and depth of the mounting hole.
Then use the table here to check what size self-tapping screw you need - from memory I'd guess a no. 8 or no. 10 would be about right.
Self tapping screw sizes
Make sure you wind them in square first time to cut the thread nicely.
HTH
Edit to add...the flange head screws shown on that site help to spread the load better as well.
Also, you can probably buy a small bag of them from B&Q or Screwfix.
[Edited on 26/11/13 by nick205]
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loggyboy
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| posted on 26/11/13 at 02:06 PM |
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I checked the depth (not much IIRC cica 10mm?) then rummaged in my screw pot and found some fairly random self tapping bolts with corse, deep
thread.
Sadly I have no idea what they came from!
Mistral Motorsport
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adithorp
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| posted on 26/11/13 at 02:17 PM |
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I used some self tappers but don't remember the size unfortunatly but make sure they aren't too long or they could pierce the tank.
Alternativly, I believe M5 screws will go in and cut their own thread.
"A witty saying proves nothing" Voltaire
http://jpsc.org.uk/forum/
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omega 24 v6
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| posted on 26/11/13 at 07:01 PM |
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I tapped mines m5 and used stainless steel machine screws.
If it looks wrong it probably is wrong.
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corrado vr6
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| posted on 26/11/13 at 07:19 PM |
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I tapped mine too and used m5 bolts
http://r1indy7.wordpress.com/
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Sloan85
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| posted on 26/11/13 at 07:38 PM |
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Isn't it M6 tap for polo rad? I tapped mine to M6 anyway.
My Build Diary
http://mkindygsxr.blogspot.co.uk
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big_wasa
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| posted on 26/11/13 at 07:42 PM |
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I did mine m6
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paulf
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| posted on 26/11/13 at 09:05 PM |
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I used M6 also and dont think I bothered to tap them, if a small lead is put on the screw it will cut its own thread in plastic and give a tighter
fit, it may depend on the original hole size though but worth a try first.
Paul
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