Page 130 - Master Catalog 2017, Inch

™
WIDIA VariTurn
™
Grade Numbering System

A system of grades, geometries, and application guidelines to provide optimal solutions for your
™
metalcutting needs. It’s easy to determine which WIDIA chip-control cutting tool will work best
in your specifi c workpiece materials and applications!

TN 15 M

Brand Relative Hardness Primary
(ISO 513) Workpiece
Material (ISO 513)

TN = WIDIA 01 = Hardest P Steel
10 M Stainless Steel
20 K Cast Iron
30 N Non-Ferrous
40 S High-Temp Alloys
50 = Toughest H Hardened Materials
U Universal Machining

B110 widia.com

V
WID M
i
16 T
I
B110 B111 Mi
i
L WID_Master16_Turning_Inserts_B110_B111_Minch_REBRAND.indd 110 h REBRAND N b 9 2015 10 41 AM 11/10/15 11:02 AM