Bosch CO21B 21 Pc. Cobalt M42 Drill Bit Set

Analyzed on

5,897Total Reviews

Jobber Drill Bits

n/a

Company Review Grade:

Bosch

3,248 Total Products

Bosch CO21B 21 Pc. Cobalt M42 Drill Bit Set

Analyzed on

Sold by Bosch

B

Fakespot review grade

B

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Pros & Cons

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Pros

Amazon offers much more competitive pricing than big box retailers. These bits perform flawlessly and hold up like a champ. The bits themselves have proven to be tough.

Cons

Awful product. Literally zero durability. Media could not be loaded after 1 year use. Bit case is worthless.

Tried drilling a hole in a pilot bearing shell maybe 1 mm thick, would not touch it. Was trying to drill through a pice of thin steel. Can't even drill soft metal. Metal is very brittle and susceptible to shear.

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Highlights

The AI used to provide these results are constantly improving. These results might change.

Quality

Used to install an aluminum pergola, worked flawlessly

The precision engineering of these bits ensures clean and accurate holes every time, which is essential for any diy project or ... Read More

Bought this to drill out broken bolts on trailer redeck jod, my titanium bits would not even start to drill broken off bolts, t... Read More

The bosch cobalt m42 drill bit is extremely strong and holds an edge after multiple uses.

Price

And the price here is very good too.

Excellent value for your money and the case is nice too.

The price was great as i was only missing the one bit for a project, and the next day shipping with prime was a lifesaver.

Shipping

Fast service will buy again from them

Came shot but lost the edge very quickly.

Competitiveness

And of very good quality, better than any other brand.

It met expectations, good price compared to other brands, it does its job.

I like it way more than other major brands out there like the dw bits which do not hold an edge.

Having tried various brands over the years, i can confidently say that while some of my other drill bits cost a little less, th... Read More

Overview

How are reviewers describing this item?
through, good, cut, quality and drilled.

Our engine has profiled the reviewer patterns and has determined that there is minimal deception involved.

Our engine has detected that Amazon has altered, modified or removed reviews from this listing. We approximate total reviews altered up to 324.

Our engine has discovered that over 80% high quality reviews are present.

This product had a total of 5,897 reviews as of our last analysis date on Oct 9 2024.