Harvey Tool 856550-C3 | 0.2500" (1/4) Shank x 0.1230" LOC x 2.5000" (2-1/2) OAL x 0.0050" Radius 2 Flute 90 Degree C3 Coated Runner CutterFeatures Designed to mill 3 Degree, 5 Degree, 7 Degree, 10 Degree, 15 Degree, 20 Degree, 22. 5 Degree, 30 Degree, or 45 Degree channels in molds 2 helical flutes (12 Degree Helix) AlTiN coating for increased performance in ferrous materials AlTiN Nano coating for superior performance in ferrous and difficult to machine materials Center cutting Solid carbide CNC ground in the USA Product Specifications Manufacturer Part Number 856550 C3 Length of Cut