... will save your much time and cost.2. tools code key:For example: PSKNR2525K12P: clamping system. ... 60 degree, V: 35 degree, W: 80 degree.L: tool holder style and approach angle. A: 90 ... F: 90, G: 90, H: 107.30, J: 93, K: 75, L: 95, M: 50, N: 63, Q: ... 20, N:0, P:11.R: cutting direction. L: left hand, R; right hand, N: neutral.25 ... length of cutting edge. OEM set machine tools with carbide indexable inserts