ISO CODES FOR MILLING INSERTS

Example:	S	E	H	W	12	04	AF	T	N
	1	2	3	4	5	6	7	8	9

1	INSERT SHAPE

2	CLEARANCE ANGLE

3	TOLERANCE CLASS

ISO TOLERANCE mm CODE D M S A +/-0.025 +/-0.005 +/-0.025 F +/-0.013 +/-0.005 +/-0.025 C +/-0.025 +/-0.013 +/-0.025 H +/-0.013 +/-0.013 +/-0.025 E +/-0.025 +/-0.025 +/-0.025 G +/-0.025 +/-0.025 +/-0.013 J +/-0.05 +/-0.05 +/-0.025 +/-0.15 K +/-0.05 +/-0.013 +/-0.025 +/-0.15 L +/-0.05 +/-0.025 +/-0.025 +/-0.15 M +/-0.05 +/-0.08 +/-0.13 +/-0.15 +/-0.20 N +/-0.05 +/-0.08 +/-0.025 +/-0.15 +/-0.20 U +/-0.08 +/-0.13 +/-0.13 +/-0.25 +/-0.38		INSCRIBED TOLERANCES (M) TOLERANCES (D) CIRCLE (D) CLASS CLASS CLASS CLASS mm M mm U mm J-M mm U mm 6.35 +/-0.08 +/-0.13 +/-0.05 +/- 0.08 9.525 +/-0.08 +/-0.13 +/-0.05 +/- 0.08 12.7 +/-0.13 +/-0.20 +/-0.08 +/- 0.13 15.875 +/-0.15 +/-0.27 +/-0.10 +/- 0.18 19.05 +/-0.15 +/-0.27 +/-0.10 +/- 0.18 25.4 +/-0.18 +/-0.38 +/-0.13 +/- 0.25                                     INSCRIBED TOLERANCES (M) TOLERANCES (D) CIRCLE (D) CLASS M CLASS M mm mm mm 6.35 +/-0.11 +/-0.5 9.525 +/-0.11 +/-0.5 12.7 +/-0.15 +/-0.8 15.875 +/-0.18 +/-0.10 19.05 +/-0.18 +/-0.10

4	CHIPBREAKER AND FIXING

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