... , D: 55 degree, R: 0 degree, S: 90 degree, T: 60 degree, V: 35 degree, W: 80 degree.L: tool holder ... approach angle. A: 90, B: 75, C: 90, D: 45, E: 60, F: 90, G: 90, H: 107.30, J: 93, K ... , Q: 135, R: 75, S: 45, T: 60, U: 93, V: 72.3, W: 60, X: 120, Y:80.N: inserts clearance ... angle. B: 5, C:7, D: 15, E: 20, N:0 ...