Harvey Tool 741924 | 0.3750" (3/8) Diameter 0.3750" (3/8) Shank x 1.1250" (1-1/8) LOC x 2.5000" (2-1/2) OAL 4 Flutes CVD Diamond (4 µm) Square End MillDiamond End Mills for Non Ferrous Materials CVD Diamond Square features 4 flutes and true crystalline CVD diamond on solid carbide substrate. Ideal for machining graphite and composites, green carbide, and green ceramics True crystalline CVD diamond on solid carbide substrate h6 shank tolerance for high precision tool holders Maximum abrasion resistance increases tool life CNC ground in the USA Center cutting 4 flutes Product Specifications Tool