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Blowhole diameter for 80mm and 120mm case fans? - Page 2

post #11 of 16
if ayone cares, an old Tuna Fish can works great for a 92mm hole template. I gad several in the shop to sort screws in, and decided to check it out, and it works fine.

Just under 3" US for an 80mm fan hole. Please don't use a forstner bit on metal, you'll waste your money and a perfectly good wood bit that way.
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post #12 of 16
Thread Starter 
Sorry, but would anyone mind giving me the EXACT diameter for the screw holes for the case? Thanks.
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post #13 of 16
I pretty sure fans use number 8 screws.
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post #14 of 16
Thread Starter 
Okay thanks. I'll try to get a drill bit for that size.
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post #15 of 16
I believev its a 4.5" holesaw for 120mm fan and 3" holesaw for 80mm fan. This is a perfect size as it reaches just barerly to the edge of the fan blades, so you only seen the fan blades spinning and not the ugly frame.
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post #16 of 16
I used a Saber Saw to cut my Blowhole. I used Painters Tape to cover the top of my case, then used a compass to trace the opening. I then drilled a single hole, and used my saber saw to cut the hole. Worked real slick, with a minimum of grinding afterward.

Cheers,

Dave
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