... degree.L: tool holder style and approach angle. A: 90, B: 75, C: 90, D: 45, E: 60, F: 90, G ... clearance angle. B: 5, C:7, D: 15, E: 20, N:0, P:11.R: cutting direction. L: left hand, R; right hand ... : 125mm, M: 150mm, P:170mm, Q: 180mm, R: 200mm, S: 250mm, T: 300mm.12: length of cutting edge. OEM set machine tools with carbide ...