Editorial Product Review:Item Description:13 Piece Drill Bit Set, Industrial Grade Cobalt Steel, For Drilling In Stainless Steel, Abrasive Metal & Other Hard To Drill Alloys, Contains 1/16', 5/64', 3/32', 7/64', 1/8', 9/64', 5/32', 11/69', 3/16', 13/64', 7/32', 15/64', 1/4' Bits.
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Buyer Reviews
Average Buyer Rating:
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They tend to "screw" into softer woods
These bits are OK for hard woods, but for anything softer (pine, fir, poplar, etc) they tend to screw into the wood rather than boring a hole. The "pilot point" appears to be the major drawback of these bits, IMHO, not the major benefit.
Customer Rating: 
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Perfect for the homeowner
I purchased this drill bit set for use around my house. I have a Makita cordless drill that this set works perfectly with. The bits appear to be very sturdy and reliable. The variety and size of bits is perfect for around the house ... 1/16 up to (a large) 3/8. The set includes two of the most popular sizes, 1/16 and 1/8 ... a well thought out and nice touch. The case that houses the bits is fantastic ... very sturdy with a good closing/locking system. I would highly recommend this set of drill bits for anyone looking for a set to use around the house (my only knowledge of use). Good bits, good selection of sizes, good quality, good storage case.
Customer Rating: 
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I thought anything cobalt would be superior...
Before buying this Dewalt Cobalt set, I had been using an inherited set of craftsman bits labeled "the best bits we sell", and that was all I knew about them.
Preparing to do some metal working, I decided I must have a set of cobalt bits. So no sooner than receiving the set, I just happened to need to drill into a table saw stand of 1/8 inch likely hardened steel.
And though it probably shouldn't be done, put the 1/4" bit in my hand drill, pushed up against the leg, pulled the trigger only to have it skate down the side of the work.
Problem here is that though this set has a split point, the angle I believe is only 118 degrees, rather than these craftsman at 135, with a pilot point, which in combination works much much better.
And and after moving to the press, this has proved to be a significant disadvantage for not just at the start of the cut, but the greater angle and pilot point seems to pull the bit through the material with ease.
A much nicer cutting experience.
I imagine if your only doing woods, this may not be noticed as much.
But for the price when here on sale its hard to resist.
If I could have done it again, I would opt for the 14 or 16 pcs sets which have sizes up to 3/8ths.
And it should be noted the cobalt makes the bit more hard, but more brittle as well. Should maybe keep cobalt on the drill press, eventually your bound to have an accident using a hand drill.
Customer Rating: -
great for hobbyist use
Good set for working with soft metals with one caveat: upon penetration these bits pull the worked piece towards the drill quite agressively. Otherwise they are very effective, and the extra bits offer that assurance that you won't have to pause a project should you accidentally break one of those sizes.
The case is a bit bulky compared to other drill sets, but that's actually a good thing -- it's deep enough and there's enough extra space above the large bits to hold a 1/4" cordless screwdriver/drill chuck adaptor. (YMMV, mine is a Skil #92170)
