What does this mean?Pros & Cons
Cons
It was advertised for hardened steel. These are pretty garbage for drilling ss.
Highlights
Quality
I'm very impressed with the performance of this drill bit.
I was pleasantly surprised at the durability.
Competitiveness
If you're building a 22lr suppressor (aka silencer) this is the drill bit you need sized 9/32.
Overview
- How are reviewers describing this item?
great, through, good, drilled and size. - Our engine has profiled the reviewer patterns and has determined that there is minimal deception involved.
- Our engine has analyzed and discovered that 78.6% of the reviews are reliable.
- This product had a total of 297 reviews as of our last analysis date on Feb 10 2023.
Helpful InsightsBETA
Posted by a reviewer on Amazon
The standard size of a vinyl record hole is 932 of an inch
Posted by a reviewer on Amazon
Ive drilled 80 of the 180 holes needed to put all 9 boards down
Posted by a reviewer on Amazon
If i were using them primarily for aluminum id probably get titanium nitride coated bits instead
Posted by a reviewer on Amazon
I went slow to not heat the material too much with my tin coated hss bit but it was not doing the job
Posted by a reviewer on Amazon
Used this cobalt with a bit of cutting fluid and it really cut through the material quickly
Review Count History
Price History
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