Application Guide
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Endmills - Technical Info
Endmills
Tech Info -
HP Variable Index 4-Flute Tools Speeds & Feeds
Material Grades Cut Type
Axial
DOC
Radial
DOC
Stub/Regular Long/X-Long Feed by Endmill Diameter (IPT)
SFM SFM 1/8 1/4 3/8 1/2 5/8 3/4 1
AlCrNX AlCrNX (.1250) (.2500) (.3750) (.5000) (.6250) (.7500) (1.000)
K - Cast Irons
Ductile
A536, J434
60-40-18
Slotting 1 x D 1 x D 560-660 400-550 .0004-.0008 .0018-.0020 .0030-.0032 .0035-.0037 .0039-.0041 .0041-.0043 .0054-.0056
Peripheral -
Rough
1.25 x D .5 x D 560-660 400-550 .0004-.0008 .0018-.0020 .0030-.0032 .0035-.0037 .0039-.0041 .0041-.0043 .0054-.0056
Peripheral -
HEM
2 x D .15 x D 560-660 400-550 .0008-.0016 .0036-.0040 .0060-.0064 .0070-.0074 .0078-.0082 .0082-.0086 .0108-.0112
Finish N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
Gray
A48, A436,
A319
Class 20,
G4000
Slotting 1 x D 1 x D 560-660 400-550 .0004-.0008 .0018-.0020 .0030-.0032 .0035-.0037 .0039-.0041 .0041-.0043 .0054-.0056
Peripheral -
Rough
1.25 x D .5 x D 560-660 400-550 .0004-.0008 .0018-.0020 .0030-.0032 .0035-.0037 .0039-.0041 .0041-.0043 .0054-.0056
Peripheral -
HEM
2 x D .15 x D 560-660 400-550 .0008-.0016 .0036-.0040 .0060-.0064 .0070-.0074 .0078-.0082 .0082-.0086 .0108-.0112
Finish N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
Malleable
A220, A602,
J158
Slotting 1 x D 1 x D 400-450 350-425 .0004-.0008 .0018-.0020 .0030-.0032 .0035-.0037 .0039-.0041 .0041-.0043 .0054-.0056
Peripheral -
Rough
1.25 x D .3 x D 400-450 350-425 .0004-.0008 .0018-.0020 .0030-.0032 .0035-.0037 .0039-.0041 .0041-.0043 .0054-.0056
Peripheral -
HEM
2 x D .15 x D 400-450 350-425 .0008-.0016 .0036-.0040 .0060-.0064 .0070-.0074 .0078-.0082 .0082-.0086 .0108-.0112
Finish N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
N - Non-Ferrous
Brass/Bronze
Aluminum
Bronze, Low
Silicon Bronze
N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
Composites
G-10, Fiber-
glass, Graphite,
Graphite Epoxy,
Plastics
N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
Copper
Slotting 1 x D 1 x D 560-660 400-550 .0004-.0008 .0018-.0020 .0030-.0032 .0035-.0037 .0039-.0041 .0041-.0043 .0054-.0056
Peripheral -
Rough
1.25 x D .3 x D 560-660 400-550 .0004-.0008 .0018-.0020 .0030-.0032 .0035-.0037 .0039-.0041 .0041-.0043 .0054-.0056
Peripheral -
HEM
2 x D .15 x D 560-660 400-550 .0008-.0016 .0036-.0040 .0060-.0064 .0070-.0074 .0078-.0082 .0082-.0086 .0108-.0112
Finish N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
Magnesium Slotting N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
S - High Temp Alloys
Cobalt Base
Stellite, HS-21,
Haynes 25/188,
X40, L605
Slotting 1 x D 1 x D 95-210 65-150 .0004-.0008 .0009-.0016 .0012-.0019 .0016-.0028 .0019-.0031 .0024-.0037 .0029-.0041
Peripheral -
Rough
1.25 x D .25 x D 95-210 65-150 .0004-.0008 .0009-.0016 .0012-.0019 .0016-.0028 .0019-.0031 .0024-.0037 .0029-.0041
Peripheral -
HEM
1.5 x D .10 x D 95-210 65-150 .0008-.0016 .0018-.0032 .0024-.0038 .0032-.0056 .0038-.0062 .0048-.0074 .0058-.0082
Finish N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
Cobalt Base
> 32 HRC
Reduce SFM by
40%
N/A N/A N/A 95-210 39-90 N/A N/A N/A N/A N/A N/A N/A
Iron Base
Incoloy 800-
802, Multmet
N-155, Timkin
16-25-6, Car-
penter 22-b3
Slotting 1 x D 1 x D 95-210 65-150 .0004-.0008 .0009-.0016 .0012-.0019 .0016-.0028 .0019-.0031 .0024-.0037 .0029-.0041
Peripheral -
Rough
1.25 x D .25 x D 95-210 65-150 .0004-.0008 .0009-.0016 .0012-.0019 .0016-.0028 .0019-.0031 .0024-.0037 .0029-.0041
Peripheral -
HEM
1.5 x D .10 x D 95-210 65-150 .0008-.0016
.0018-.0032 .0024-.0038 .0032-.0056 .0038-.0062 .0048-.0074 .0058-.0082
Finish
N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
Iron Base >
32 HRC
Reduce SFM by
40%
N/A N/A N/A 95-210 39-90 N/A N/A N/A N/A N/A N/A N/A
Nickel Base
Inconel
625/718, Inco
700, 713C, 718,
Monel 400-
401, 404, K401,
Rene, Rene 41
& 95 Hastelloy,
Waspoloy,
Udimet 500
& 700
Slotting 1 x D 1 x D 95-210 65-150 .0004-.0008 .0009-.0016 .0012-.0019 .0016-.0028 .0019-.0031 .0024-.0037 .0029-.0041
Peripheral -
Rough
1.25 x D .25 x D 95-210 65-150 .0004-.0008 .0009-.0016 .0012-.0019 .0016-.0028 .0019-.0031 .0024-.0037 .0029-.0041
Peripheral -
HEM
1.5 x D .10 x D 95-210 65-150 .0008-.0016 .0018-.0032 .0024-.0038 .0032-.0056 .0038-.0062 .0048-.0074 .0058-.0082
Finish N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
Nickel Base
>32 HRC
Reduce SFM by
40%
N/A N/A N/A 95-210 39-90 N/A N/A N/A N/A N/A N/A N/A
Titanium
Commercially
Pure, 6Al-4V
ASTM 1/2/3,
6Al-25N-
4Zr-2Mo-Si,
Ti-8Al-1Mo,
Ti-8Al-4Mo
Slotting 1 x D 1 x D 240-375 150-250 .0004-.0008 .0014-.0016 .0017-.0019 .0026-.0028 .0029-.0031 .0035-.0037 .0039-.0041
Peripheral -
Rough
1.25 x D .3 x D 240-375 150-250 .0004-.0008 .0014-.0016 .0017-.0019 .0026-.0028 .0029-.0031 .0035-.0037 .0039-.0041
Peripheral -
HEM
1.5 x D .10 x D 240-375 150-250 .0008-.0016 .0018-.0032 .0024-.0038 .0032-.0056 .0038-.0062 .0048-.0074 .0058-.0082
Finish N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A