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115 Piece Titanium Nitride Coated M2 High Speed Steel Drill Bit Set - 1611 view this item at harborfreight.com »

Ratings: (5 is best)

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Review by RobbieKnobbie on August 7th, 2011
bits were too brittle and poorly ground. Flutes would not carry away chips and the cutting edges chipped off whenever in the vacinity of anything that looks metalic. As another reviewer mentioned, I got a 'Made in USA' set from Enco and have been very happy with those.
Review by Goomer on January 29th, 2010
I found these to be too brittle. After breaking off several in really bad places I bought a good set of made in USA bits and haven't regretted doing that. They work, but ultimately caused more trouble and problems than they were worth.
Review by holger on December 7th, 2009
They work. I have two problems: 1. The labeling was wrong on some of the drills, 2. The labeling comes off. Otherwise, like with all HF drills, go slowly into harder stuff (like stainless steel), lubricate. I wouldn't buy them if I didn't know how to sharpen them, or had a Drill Doctor.
Review by gkring on September 18th, 2009
great way to get a full set of all the nonstandard sizes. I use my "good" bits on the hard stuff, then follow up with a letter or number drill out of this set as needed.

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