Page 184 - Master Catalog 2017, Inch
P. 184
Advanced Material Inserts
Grade Numbering System
Grade Numbering System — Ceramics
CW 2 0 15
Brand Cutting Application Range
Material Group
CW = WIDIA ™ 2 = CM Mixed (black) 0 = Stationary cutting edges
05 = fi ne fi nishing
ceramic (turning, parting, threading)
10 = fi nishing
3 = CR Whisker reinforced 1 = First successor
ceramic 15 = }
20 = medium
5 = CN Silicon nitride 2 = Semi-standard to roughing
ceramic rotating cutting edges 25 =
30 = }
3 = Semi-standard roughing
35 =
general applications
40 = }
5 = Rotating cutting edges heaviest
45 =
(milling, drilling, reaming) roughing
50 =
B164 widia.com
16 T
V
i
WID M
B164 B165 Mi
I
i
L WID_Master16_Turning_Inserts_B164_B165_Minch_REBRAND.indd 164 h REBRAND N b 9 2015 10 49 AM 11/10/15 11:03 AM