Cermet / coated carbide / carbide lineup Negative inserts Round Free-cutting steel P B Carbon steel / Alloy steel Stainless steel Q NPT P Q Q M D1 IC Gray cast iron NQS N K Nodular cast iron OQT O Non-ferrous metals N Heat-resistant alloy S Turning indexable inserts S Titanium alloy Hard materials H Applicable chipbreaker range Dimension (mm) Carbide Cermet CVD PVD - Applicable Insert Description toolholder IC S D1 CA025P PV7005 CA5515 CA5525 PV720 TN620 CA310 CA315 CA320 CA515 CA525 CA530 TN60 Medium - Roughing RNMG 090300 1 9.525 3.18 3.81 N NN N NNN D33 RNMG 120400 1 12.7 4.76 5.16 NNNNNNNNNNNNN RNMG 150600 1 15.875 6.35 6.35 NNNN N N - Applicable chipbreaker range 1 (Steel) 4 3 (12) ap (mm) (15) 2 1 (09) 0.2 0.4 0.6 0.8 1.0 f (mm/rev) N : Standard item R : Right hand only L : Left hand only U : Check availability B32