Best drilling devices

Old 02-10-02, 05:53 AM
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Best drilling devices

My building inspectors are requiring me to drill ventilation holes on the 2X6s in the area between the sheathing and where the insulation will be to make a cold roof. Drill bits last from 5 holes (5/8 in holes) to 75 holes and I probably have 1500 holes to drill..
I have tried spade bits, standard bits and wood auger bits. The wood auger bits seem to be the best so far but there must be something better out there. I'm drilling thru fir 2 X 6s and in about 1/3 of the time, I'm going thru 2 2 X 6s. Please help! Ray
Old 02-10-02, 08:19 PM
Join Date: Mar 2000
Location: Arlington, WA
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What is killing your drill bits is the nails that are holding these 2X6's in place. Talk to the inspectors and see if they would let you remove every 3rd or 4th block and replace it with a soffit vent (6X22). This is what they are after -- don't see where they would have a problem with it.

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