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Pros & Cons
Pros
M42 is the high cobalt drill bits for harder stainless, bed frames, hardened steel. All holes were drilled using a mag drill and cutting oil.
These cobalt bits are legitimately the toughest i’ve ever used. They’re every bit of sharp as the day i got them and they disperse heat really well. These drill bits are phenomenal.
Very nice bits in a durable case. You will not be disappointed. There comes a time when you finally get fed up with * drill bits.
Cons
Bit case is worthless. Buyer beware as they don't last. Harbor freight drills are better.
Highlights
Quality
Very good performance in multiple materials with cordless, drill press and mill.
Used to install an aluminum pergola, worked flawlessly
Drilled out many aviation, structural screws before weakening.
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
Price
Excellent value for your money and the case is nice too.
I just sharp it up when it's start to dull, since price is inexpensive.
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
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.
Amazon offers much more competitive pricing than big box retailers and support is top notch.
Overview
- How are reviewers describing this item?
through, good, stainless, cut and quality. - 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 160.
- Our engine has discovered that over 80% high quality reviews are present.
- This product had a total of 5,851 reviews as of our last analysis date on Sep 14 2024.
Helpful InsightsBETA
Posted by a reviewer on Amazon
These bits chew through metal like butter
Posted by a reviewer on Amazon
Can’t offer any comments on durability since i only had 4 tubes to drill 8 holes total
Posted by a reviewer on Amazon
The bosch cobalt m42 drill bit is extremely strong and holds an edge after multiple uses
Posted by a reviewer on Amazon
I often drill 51634 holes in some parts i cut on my cnc plasma cutter
Posted by a reviewer on Amazon
Each part has 8 holes that i cut small and drill to final size
Posted by a reviewer on Amazon
Plasma cut holes have a hardened edge and wrecks inferior drill bits like the one on the right of my photo that i have sharpened so much it is half sized now
Posted by a reviewer on Amazon
Wasn’t an issue after a quick center punch and a touch of cutting oil these cut right through it like it was butter
Posted by a reviewer on Amazon
The bit is sharp and holds an edge
Review Count History
Price History
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