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400 grit too much to lap?

post #1 of 6
Thread Starter 
i can only find 400 grit around my area to lap with. obviously the grit will become finer as sanding progresses, but initially is using 400 grit only too much to lap with?

post #2 of 6
If you just lap with 400grit its going to be worse than not lapping at all.

You need atleast 1000 grit, but most will say 2000.


Try places that sell car parts, etc. They usually have them.. otherwise youll have to order online, you'll need 400,600,800,1000,1500,2000 for the best results.
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The Leviathan
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post #3 of 6
@ least you can use from 400 to 1000,
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post #4 of 6
I started with 400,600,800 and finished with 1000.
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post #5 of 6
Thread Starter 
i tried the sears and home depot. since i had to sand a wood railing i got the 400 and was seeing if it was too much for lapping , but i had a feeling it might be if that's all i used. i didn't check the auto parts store, but i'll look there. thanks
post #6 of 6
I've done good with 600. If you use the same spot on the sandpaper you'll find it will become finer over time. So after awhile my 600 turned into about 1200. Mirror like shine, with 600 only. I should've taken a picture.
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Overclock.net › Forums › Cooling › Other Cooling Discussions › 400 grit too much to lap?