Product Description Uncoated Solid Carbide End Mill For Aluminum 1) Good Material Grade: HRC45 /55 /60 /65. Taiwan CB Carbide, Kennmetal from USA. Sandvik from Switzerland 2) Workmanshop: Made by the latest 5-Axis Grinder Machine from Germany. As me know our workmanshop more one process with other end mill factory. So our end mill is more sharp and longer life. 3) Competitive price and good quality: Our main customer is wholesalers. So if you have a bulk order. We will offer a favourable price for you. 4) Short Delivery time: We have enough CNC machine import from Germany. If you have any need, please contact me at any time!R diameter Flute length Overall length Shank length R0.5 2 50 4 R0.75 3 50 4 R1.0 4 50 4 R1.25 5 50 4 R1.5 6 50 4 R1.75 7 50 4 R2.0 8 50 4 R2.25 9 50 6 R2.5 10 50 6 R2.75 11 50 6 R3.0 12 60 6 R3.25 12 60 8 R3.5 12 60 8 R3.75 14 60 8 R4.0 16 60 8 R4.0 16 75 8 R4.5 18 75 10 R5.0 20 75 10 R6.0 24 75 12 R8.0 32 100 16 R10.0 32 100 20 R12.5 35 150 25