Page 185 - Master Catalog 2017, Inch
P. 185
Advanced Material Inserts
Grade Numbering System
Grade Numbering System — PcBN and PCD
W B H 30 P
Brand Cutting Material Application Range Coating
Material Group Range
WIDIA ™ B = CBN U = Uncoated
05 = fi ne fi nishing
D = PCD 10 = fi nishing C = CVD Coated
} P = PVD Coated
15 =
20 = medium
to roughing
}
25 =
30 =
35 = roughing
40 = }
P Steel heaviest
45 = roughing
M Stainless Steel
50 =
K Cast Iron
N Non-Ferrous
S High-Temp Alloys
H Hardened Materials
U Universal Machining
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