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General-Application Finishing End Mills

HEC 4-Flute — Conventional Lengths

H S N
SOLID CARBIDE first choice K

4-Flute, 30° Helix

(continued from previous page) alternate choice M P
INSERTS D1DAp1 maxLcatalog number
K600KC610M KC635M 5/16 5/16 13/16 2 1/2 HEC312S4 5/16 5/16 1 1/8 3 HEC312S4113 5/165/161 5/84HEC312S4163 21/643/812 1/2HEC328S4
FACE MILLS 11/32 3/8 1 2 1/2 HEC344S4 23/64 3/8 1 2 1/2 HEC360S4 3/83/85/82HEC375S4063 3/83/87/82 1/2HEC375S4088 3/8 3/8 1 1/8 3 HEC375S4113
90Ëš MILLS 3/8 3/8 1 1/2 6 HEC375S4150L 3/83/81 3/44HEC375S4175 25/647/1612 3/4HEC391S4100 13/32 7/16 1 2 3/4 HEC406S4100 27/64 7/16 1 2 3/4 HEC422S4100 7/167/165/82 1/2HEC438S4063
SLOTTING 7/167/1612 3/4HEC438S4100 7/16 7/16 2 4 HEC438S4200 15/32 1/2 1 3 HEC469S4 31/641/213HEC484S4 1/21/25/82 1/2HEC500S4063
DIE AND MOLD 1/2 1/2 1 3 HEC500S4 1/2 1/2 2 4 HEC500S4200 1/21/236HEC500S4300 9/169/163/43HEC562S4075 9/16 9/16 1 1/4 3 1/2 HEC562S4125
CERAMIC MILLS 9/16 9/16 2 1/4 5 HEC562S4225 5/85/83/43HEC625S4075 5/85/81 1/43 1/2HEC625S4 5/8 5/8 2 1/4 5 HEC625S4225 5/8 5/8 4 7 HEC625S4400 11/163/41 3/84HEC688S4
CLASSIC MILLS 3/43/413HEC750S4100 3/4 3/4 1 1/2 4 HEC750S4 3/4 3/4 2 1/4 5 HEC750S4225 3/43/436HEC750S4300 3/43/447HEC750S4400
THREAD MILLS 7/8 7/8 1 1/2 4 HEC875S4 7/8 7/8 2 1/4 5 HEC875S4225 111 1/24HEC100S4 112 1/45HEC100S4225 1 1 3 6 HEC100S4300
TECHNICAL DATA 1 1 4 7 HEC100S4400 1 1/41 1/424 1/2HEC1250S4200 For application data, see page 43.

End Mill Tolerances

D1D1 ToleranceD Tolerance1/4" and under+.000" to - .002"+.0000" to - .0005"over 1/4"+.000" to - .003"+.0000" to - .0005"
INDEX Ordering Example: HEC375S4088 KC610M

To place an order, contact Kennametal or your authorized Kennametal distributor, or visit www.kennametal.com.23