... They will save your much time and cost.2. tools code key:For example: PSKNR2525K12P: clamping system. including ... C: 90, D: 45, E: 60, F: 90, G: 90, H: 107.30, J: 93, K: 75, L ... cutting direction. L: left hand, R; right hand, N: neutral.25: height of toolholder25: width of the ... 180mm, R: 200mm, S: 250mm, T: 300mm.12: length of cutting edge. OEM set machine tools with carbide indexable inserts