Harvey Tool 746308 | 0.1250" (1/8) Diameter 0.1250" (1/8) Shank x 0.6250" (5/8) LOC x 2.5000" (2-1/2) OAL 4 Flutes CVD Diamond Coated Square End MillThis CVD diamond coated End Mill, ideal for machining graphite and composites, green carbide, and green ceramics, is ideal for machining deep within a part. Ideal for machining graphite and composites, green carbide, and green ceramics True crystalline CVD diamond on solid carbide substrate Reduced neck for clearance and maximum rigidity h6 shank tolerance for high precision tool holders Maximum abrasion resistance increases tool life CNC ground in