Solid Carbide Spiral Router Bits / End Mills for Steel, Stainless Steel & Non Ferrous Metal with AlTiN (Aluminum Titanium Nitride) Coating
designed for working in Metal working Steel Cold roll, soft steels,
gummy stainless 303, Tool steels, exotics like titanium, inconel,
17-4PH stainless etc. Entire gambit of "steel".