What is the difference between M2 high speed steel and M42 high speed steel? Does powdered metallurgy steel hold an edge longer than other turning tools?
Is there really a difference? What tool steel is best for you?
With so many modern tool steels available today, it’s easy to get confused. In this video we discuss the benefits of each steel we offer.
Very informative videos on sharpening and turning as well
Unfortunately you did not compare (or even mention) the high vanadium steels, which in most cases out-perform M2 and its derivatives by several times as far as edge durability and value.