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Metric Sizes
Customers have mixed opinions about the metric sized Cobalt Drill Bit Set, with most expressing satisfaction over the availability and quality of smaller sizes for various materials. However, a few customers reported issues with specific bit sizes breaking or not performing as expected.
Sharpness
Customers have mixed opinions regarding the sharpness of the Cobalt Drill Bit Set. While most report that they are sharp and cut well, especially in hard metals like stainless steel and cast iron, a significant number of customers have experienced dulling or poor performance within minutes of use.
Durability
Customers have mixed feelings about the durability of the Cobalt Drill Bit Set. While some are pleased with their longevity and sturdiness, others have experienced broken bits during use, particularly when drilling through harder materials.

Highlights
Quality
Seem to be a quality product on the 2 sizes i have used so far.
With proper use of cutting fluid, these have worked well and retained their sharpness.
I was surprised that after repeated use they still produce larger metal shavings and drill right through that steel.
And the storage case is very rugged thick plastic.
Price
Amazing set of bits for the price.
Very nice set for the money, complete set of smaller sizes, able to work on many different materials.
Overall, a good value for the price.
For the cost, these are handy to have around the shop for that occasion when you just need to tap a metric thread.
Packaging/appearance
The plastic box is completely useless tho.
Competitiveness
It is impossible to find metric sized drill bit sets in the us, and this set is perfect for what i have in mind.
Overview
- How are reviewers describing this item?
set, good, metric, through and sharp. - Our engine has profiled the reviewer patterns and has determined that there is minimal deception involved.
- Our engine has discovered that over 80% high quality reviews are present.
- This product had a total of 429 reviews as of our last analysis date on Aug 5 2024.
Helpful InsightsBETA
Posted by a reviewer on Amazon
A lot of 3d printing files call for metricsized holes so i bought some metricsized bits
Posted by a reviewer on Amazon
Havent really tried them on wood or metal but plastic is isnt much of a challenge for any bit
Posted by a reviewer on Amazon
I had to get metric bits to create a cross brace for a piece of furniture made in malaysia
Posted by a reviewer on Amazon
It required metric holes for metric fasteners
Posted by a reviewer on Amazon
The bit i needed made the right hole size
Posted by a reviewer on Amazon
I wanted a good set of bits for my 3d prints
Posted by a reviewer on Amazon
After scrolling through the available metric bits i decided to go with this set
Posted by a reviewer on Amazon
You can feel the edge when handling the bits
Review Count History
Price History
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