® Mini Chamfer and Countersink Countersink Solid Carbide chamfering End-Mills Features Tools for 45˚ and 30˚ chamfering and deburring Four flutes Cylindrical shank DIN6535-HA (Weldon shank available upon request) Carbide grades CR3 Ultra-Fine carbide grade with high hardness and toughness provides high cutting edge stability and wear resistance. A New Generation of PVD Coating for High-Performance Cutting Applications K20 Uncoated Sub-Micron carbide grade for Aluminum and non-ferrous materials, Stainless Steels and Titanium. Grade P M K N S H CR3      ≤ 58 HRc K20    Ordering Code d D I1 L No. ofFlutes α MC03 D A60 3 0.2 2.4 38 MC04 D A60 4 0.3 3.2 50 MC05 D A60 5 0.4 4.0 50 MC06 D A60 6 0.5 4.8 57 4 60˚ MC08 D A60 8 0.6 6.4 63 MC10 D A60 10 0.8 8.0 72 MC12 D A60 12 1.0 9.5 83 MC03 D A90 3 0.2 1.4 38 MC04 D A90 4 0.3 1.8 50 MC05 D A90 5 0.4 2.3 50 MC06 D A90 6 0.5 2.7 57 4 90˚ MC08 D A90 8 0.6 3.7 63 MC10 D A90 10 0.8 4.6 72 MC12 D A90 12 1.0 5.5 83 Order example: MC04 D A90 K20 First choice Alternative B15-7