wood owl nail chipper

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Forum topic by joez posted 02-02-2016 03:43 AM 779 views 0 times favorited 7 replies Add to Favorites Watch
View joez's profile


126 posts in 3104 days

02-02-2016 03:43 AM

Topic tags/keywords: split wood

Hello does anybody know why the wood owl nail chipper bit Auger Bit (1-1/2” x 7-1/2”) – Nail Chipper Tri Cut by Wood Owl , spilt the hard maple I was drilling?

7 replies so far

View Picklehead's profile


1050 posts in 2131 days

#1 posted 02-02-2016 11:57 AM

I think the screw, which runs ahead of the cutting flutes, split the board just as if you were screwing in a screw of that size without drilling a pilot hole, because, in essence, you were.

-- Quote from ebay tool listing: " Has nicks and dings wear and tear dust and dirt rust and pitting but in good working condition"

View Tennessee's profile


2893 posts in 2716 days

#2 posted 02-02-2016 12:44 PM

Picklehead is exactly right. The screw started the split since it was going into virgin uncut wood, and with that small split, the large flutes finished the job.

-- Tsunami Guitars and Custom Woodworking, Cleveland, TN

View joez's profile


126 posts in 3104 days

#3 posted 02-02-2016 01:01 PM

so would a pilot hole for the screw make a difference?

View bigblockyeti's profile


5285 posts in 1922 days

#4 posted 02-02-2016 01:19 PM

They are typically used by electricians to drill holes in construction lumber to run romex and plumbers running pipe. The nail chipper aspect of the bit is an improvement over regular self feed bits as they can be damaged or destroyed when hitting nails. These bits aren’t designed for making nice neat holes, they’re designed for speed. The angle of the taper and pitch of the thread of the self feeding screw is designed for use in pine and douglas fir in mind.

-- "Lack of effort will result in failure with amazing predictability" - Me

View joez's profile


126 posts in 3104 days

#5 posted 02-03-2016 12:46 AM

So what’s the alternative for drilling hard maple this size?

View patcollins's profile


1687 posts in 3066 days

#6 posted 02-03-2016 12:56 AM

So what s the alternative for drilling hard maple this size?

- joez

Forstner bit if you want a nice hole, hole saw if you don’t care how ragged the hole is.

View Tim's profile


3812 posts in 2163 days

#7 posted 02-03-2016 01:26 AM

If you don’t need the nail chipper feature, the regular wood owl bits with cutting spurs on the end cut an extremely nice hole. Especially if you stop just as the lead screw comes out the other side of the wood, turn it over and come in from the other side.

But to answer your second question, yes, a pilot hole makes all the difference to keep an auger bit from splitting wood. Make sure it’s a little smaller than the thickest part of the lead screw and you’ll be good.

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