Header banner
Revain logoHome Page
Will Jenkins photo
1 Level
773 Review
57 Karma

Review on DelitonGude Cobalt Metric Suitable Steels by Will Jenkins

Revainrating 5 out of 5

Sharp and Hard for Drill

I bought them for drilling 304 stainless steel sheet and carbon steel for threading 3mm holes. While they work, they stay sharp and don't break. I use CRC TrueTap cutting oil, moderate speed and moderate pressure.

Pros
  • Works great and with good price, will be a good helper in your work.
Cons
  • Not sure