Text version of the page

General-Application Finishing End Mills

CRHEC 4-Flute — With Corner Radius Features Application

Kennametal standard. Side cutting and slotting.

SOLID CARBIDE

Plain and Weldon shanks. Corner radius - center cutting.

H
INSERTS S N first choice K M

4-Flute, 30° Helix

alternate choice P
FACE MILLS D1D1DAp1 maxLR ε mounting stylecatalog number
KC635M 1/8 .1250 1/8 1/2 1 1/2 .0150 PLAIN CRHEC125S4R15 1/8 .1250 1/8 1/2 1 1/2 .0200 PLAIN CRHEC125S4R20 3/16.18753/165/82.0150PLAINCRHEC188S4R15 3/16.18753/165/82.0200PLAINCRHEC188S4R20
90Ëš MILLS 3/16 .1875 3/16 5/8 2 .0300 PLAIN CRHEC188S4R30 1/4 .2500 1/4 3/4 2 1/2 .0150 PLAIN CRHEC250S4R15 1/4.25001/43/42 1/2.0200PLAINCRHEC250S4R20 1/4.25001/43/42 1/2.0300PLAINCRHEC250S4R30 1/4 .2500 1/4 3/4 2 1/2 .0450 PLAIN CRHEC250S4R45
SLOTTING 5/16 .3125 5/16 13/16 2 1/2 .0150 PLAIN CRHEC312S4R15 5/16.31255/1613/162 1/2.0200PLAINCRHEC312S4R20 5/16.31255/1613/162 1/2.0300PLAINCRHEC312S4R30 5/16 .3125 5/16 13/16 2 1/2 .0450 PLAIN CRHEC312S4R45 3/8 .3750 3/8 1 2 1/2 .0150 WELDON CRHEC375S4R15 3/8.37503/812 1/2.0200WELDONCRHEC375S4R20 3/8.37503/812 1/2.0300WELDONCRHEC375S4R30
DIE AND MOLD 3/8 .3750 3/8 1 2 1/2 .0450 WELDON CRHEC375S4R45 1/2 .5000 1/2 1 3 .0150 WELDON CRHEC500S4R15 1/2.50001/213.0200WELDONCRHEC500S4R20 1/2.50001/213.0300WELDONCRHEC500S4R30 1/2 .5000 1/2 1 3 .0450 WELDON CRHEC500S4R45
CERAMIC MILLS 1/2 .5000 1/2 1 3 .0600 WELDON CRHEC500S4R60 5/8.62505/81 1/43 1/2.0150WELDONCRHEC625S4R15 5/8.62505/81 1/43 1/2.0300WELDONCRHEC625S4R30 5/8 .6250 5/8 1 1/4 3 1/2 .0600 WELDON CRHEC625S4R60 5/8 .6250 5/8 1 1/4 3 1/2 .0900 WELDON CRHEC625S4R90 3/4.75003/41 1/24.0150WELDONCRHEC750S4R15
CLASSIC MILLS 3/4.75003/41 1/24.0200WELDONCRHEC750S4R20 3/4 .7500 3/4 1 1/2 4 .0300 WELDON CRHEC750S4R30 3/4 .7500 3/4 1 1/2 4 .0450 WELDON CRHEC750S4R45 3/4.75003/41 1/24.0600WELDONCRHEC750S4R60 3/4.75003/41 1/24.0900WELDONCRHEC750S4R90
THREAD MILLS 3/4 .7500 3/4 1 1/2 4 .1250 WELDON CRHEC750S4R125 1 1.0000 1 1 1/2 4 .0150 WELDON CRHEC100S4R15 11.000011 1/24.0200WELDONCRHEC100S4R20 11.000011 1/24.0300WELDONCRHEC100S4R30 1 1.0000 1 1 1/2 4 .0450 WELDON CRHEC100S4R45 1 1.0000 1 1 1/2 4 .0600 WELDON CRHEC100S4R60
TECHNICAL DATA 11.000011 1/24.0900WELDONCRHEC100S4R90 11.000011 1/24.1250WELDONCRHEC100S4R125 For application data, see page 42.

End Mill Tolerances

D1D1 ToleranceD ToleranceR ε Tolerance1/4" and under+.000" to - .002"+.0000" to - .0005"+.000" to - .002"over 1/4"+.000" to - .003"+.0000" to - .0005"+.000" to - .002"
INDEX Ordering Example: CRHEC375S4R30 KC635M

To place an order, contact Kennametal or your authorized Kennametal distributor, or visit www.kennametal.com.25