... shape. C: 80degree, D: 55 degree, R: 0 degree, S: 90 degree, T: 60 degree, V: 35 degree, W: 80 degree ... : tool holder style and approach angle. A: 90, B: 75, C: 90, D: 45, E: 60, F: 90, G: 90, H: 107.30, J: 93, K ... .N: inserts clearance angle. B: 5, C:7, D: 15, E: 20, N:0, P:11.R: cutting direction. L: left ...