ISO 1832 designation key for indexable inserts for drilling Examples of indexable inserts for drilling L C M X 06 T2 04 Insert shape A 85° Tolera

ISO 1832 designation key for indexable inserts for drilling Examples of indexable inserts for drilling L C M X 06 T2 04 Insert shape A 85° Tolerances Admissible deviation in inch for d m s A ± 0.0010 ± 0.0002 ± 0.0010 C ± 0.0010 ± 0.0005 ± 0.0010 E ± 0.0010 ± 0.0010 ± 0.0010 F ± 0.0005 ± 0.0002 ± 0.0010 G ± 0.0010 ± 0.0010 ± 0.002-0.005 H ± 0.0005 ± 0.0005 ± 0.0010 J1 ± 0.002-0.0062 ± 0.0002 ± 0.0010 K1 ± 0.002-0.0062 ± 0.0005 ± 0.0010 L1 ± 0.002-0.0062 ± 0.0005 ± 0.0010 M ± 0.002-0.0062 ± 0.003-0.0082 ± 0.0005 N ± 0.002-0.0062 ± 0.003-0.0082 ± 0.0010 U ± 0.002-0.0102 ± 0.005-0.0152 ± 0.002-0.005 1 Insert with ground secondary cutting edges 2 According to size (see ISO standard 1832) 3 5 6 7 1 3 Corner radius 01 r 0.004 02 r 0.008 04 r 0.016 08 r 0.032 12 r 0.047 16 r 0.063 24 r 0.095 00 for diameters with imperial sizes converted to mm M0 for diameters in metric sizes 7 8 Manufacturer's specifications The ISO code includes 9 symbols. Drilling Precision boring The symbols 8 and / or 9 should be A 57 X 5 only used when required. B 57 X 15 D 57 X 25 The manufacturer can add other E 57 PM 2 symbols which can be combined with E 67 PF the ISO code by means of a hyphen PF 4 (e.g. for the chip breaker shape). Counterboring E 47 PF 2 PF 4 PF 5 PS 5 PM 2 PM 5 PF 5 C 6 WALTER Valenite Boring / drilling m <3> B 821 o O C P o D