Specifications & Dimensions
|Dimensions and Weight:|
|Item Weight (lbs.):||3|
|Size:||0.063 - 0.5 inches|
|Length (in.):||Jobber Length|
|Shank Diameter:||0.38 inches Reduced Shank Above 0.38 inches|
|Shank Length:||Jobber Length|
|Drill Bit Type:||Split point|
|Number of Bits:||29|
|Included with Item:|
|Package Contents:||0.063 inches, 0.078 inches, 0.094 inches, etc.,|
Ratings & Reviews
Designed for heavy duty use in all metals, including hard metals. Split Point drills on contact and helps eliminate "walking." Ideal for drill presses and stationary machines. Can be used in corded and cordless portable drills. Set includes: 1/16, 5/64, 3/32, 7/64, 1/8, 9/64, 5/32, 11/64, 3/16, 13/64, 7/32, 15/64, 1/4, 17/64, 9/32, 19/64, 5/16, 21/64, 11/32, 23/64, 3/8, *25/64, *13/32, *27/64, *7/16, *29/64, *15/32, *31/64, 1/2 in. bits, plus metal case. (*3/8 in. reduced shank).
- Sears Exclusive
- Available for Gift Wrap
Added on July 26, 2010
Overall, others give this:
Reviewers may have received a benefit, like a sweepstakes entry or rewards program points, in exchange for writing a review.
Those benefits were not conditioned on the positive or negative content of the review.
Most Helpful Reviews
This drill bit set has replaced a whole drawer full for mis-matched bits. I have used them in both the drill press and the handheld drill. I've been impressed by their ability to keep an edge and the sizes this set offers have served every need I'[ve had so far. i use them in wood, soft metals and even hard metals. Like all precision bits a little every care should be taken not to over-heat them, but with a little common sense you'll enjoy this set for years.
I am a mechanic. The first time I used these bits, the tip either chipped or broke completely off! I took them back to the local Sears I got them from and was told that I would not get any type of compensation. The manager accused me of trying to sharpen the broken one. I would not recomend these to anyone. NO WARRANTY! NO HELP!
Bought these to drill 2 holes in my 3/4 ton truck frame (mounting a winch plate) and the largest one cut right through, no problem. Can't find any faults; they cut through hard metal with ease. Love 'em.
San Antonio, TX
I needed a heavy duty drill bit set for some tough home improvement projects. This kit fit the bill and is very well packaged and organized. Attractive looking and durable.
Extremely satisfied with this set. Great quality, durability. I used them to drill a hole in a head bolt... No comparison, like s knife in butter. This set contains the most popular sizes.
Drill bits are nice. The measurements are on the body, not on the shank, which is a good thing so the size doesn't get wiped out if the bit slips in the chuck. The case: Meh, it is tough to get the rear most bits out of the case since the case doesn't "clamshell" or cantilever like other cases I've owned. Also, there is no clear plastic windows in the case. Not that it really matters, but in looking at the case, you would think it was fully enclosed. I guess you don't have to worry these bits oxidizing.
Fair Haven, VT
One uses cobalt bits mainly to drill in metals - especially ferrous metals such as steel or iron. You can use it to drill other materials also such as wood, plastic, and non-ferrous metals such as brass and aluminum. I was pleased with the quality for the cost I paid for these bits. I have used them for general pulse use as well as drilling steel and cast iron. Cast iron is very hard and can be hard on drill bits. Be sure to use lubrication when drilling metals - especially steel and cast iron. By the way WD-40 is great for non-ferrous metals, and light machine oil is best for steel or iron. It helps protect the bit from premature wear out. I did eventually dull the 9/64 bit on cast iron - but I had failed to provide lubrication and drilled several holes in cast iron. On the whole I am pleased with these bits.
I needed to drill out a 3/8 inch broken muffler bolt. It took the use of at least 8 drill bits, starting small and progressing upward, to accomplish this! Even though I was using cutting oil liberally, the larger bits would stop cutting after a very short period and were useless. They even spun in my Dewalt drill because of the smooth shank. The cobalt coating is only microns thick and burns right off leaving you with a dull, soft-steel drill bit and a cute box for your $100 bucks! Tomorrow, Sears gets them back and they should be taken off the shelf.
I had bought a set at a hardware box store and broke 2 bits with in 1 minute. went to sears and drilled out 32 screws from a 60 year old wooded butchers block you can not tell which drill bit I used !!!!!! I used to be a machinist in a former life these are the BEST bits ever.
I'm an auto mechanic. I bought this set for mostly removing broken bolts. So far it has been doing great jobs without breaking any sizes. Just before I bought it, I broke a crankshaft pulley bolt at work. I needed to rush to Sears and pick up the best one in the store. I was easy to make a hole in the broken bolt. I thought I would break a few bits but I broke none. Not only the pulley bolt, I also used for broken exhaust bolt and the job was successful. The only thing I am worried about is they don't have individual replacements just as other reviews said. But I have used them many times and haven't broken any yet. So I hope and believe it won't happen so soon.
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