Niagara Cutter SB207.250F3B.3Z2 is a high-speed steel (HSS) ball end mill with a 1/4" diameter and a 3/8" shank, configured as a 2-flute cutting tool for contouring and finishing rounded profiles. Ball end mills create continuous-radius cuts for contouring three-dimensional features and providing smooth transitions on machined surfaces. The SB207.250F3B.3Z2 designation identifies this exact tool within Niagara Cutter's SB series, ensuring the correct combination of diameter, shank size, and flute geometry for CNC setups that require these specifications.
