
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!
W P 15 C T
Brand Primary Application Insert Material Application
| 05 | = fi ne fi nishing} | H | = Uncoated Carbide | T | = Turning |
| 10 | = fi nishing | C | = Carbide + CVD | M | = Milling |
| 15 | = | P | = Carbide + PVD | H | = Holemaking |
medium to
20 = T = Cermet D = Solid Drills
| 25 | = | Y | = | Ceramics | E | = Solid End Mills |
| 30 | = | D | = | Diamond | G | = Taps |
roughing
| 35 | =} | B | = | PcBN | R | = Reamer |
| 40 | = | S | = | HSS | V | = Thread Mills |
heaviest
P Steel 45 = E = HSS-E
roughing
M Stainless Steel 50 = M = HSS-E-PM
K Cast Iron
| N | Non-Ferrous | * Samples shown are based |
| S | High-Temp Alloys | on turning and will differ |
within applications H Hardened Materials U Universal Machining