Super MultiDrills GS (External Coolant Supply)
Carbon Steel/ Alloy Steel up to 0.28%
Carbon Steel/ Alloy Steel from 0.29%
Hardened Steel from 46HRC
Hardened Steel up to 45HRC
Tempered Steel
Stainless Steel
Ductile Cast Iron
Aluminum Alloy
Ti Alloy Heat-resistant Steel
Copper Alloy
Cast Iron
Coating
MDW - GS Cutting Conditions
Drill Diameter (inch)
Hardness HB
Speed = SFM Feed = IPR
MDW
Part Material
ø0.395 >
ø < ø0.196
ø0.197 - ø0.394
SFM
160 - 275
210 - 360
110 - 250
<190
IPR
.004 - .008
.006 - .010
.008 - .012
J
SFM
160 - 275
210 - 360
110 - 250
Low Carbon Steel
190 ~ 250
IPR
.004 - .008
.006 - .010
.008 - .012
SFM
140 - 250
190 - 325
100 - 225
250 ~ 300
IPR
.003 - .006
.004 - .008
.006 - .010
SFM
160 - 275
210 - 360
110 - 250
P
180 ~ 275
IPR
.004 - .008
.006 - .010
.008 - .012
Medium Carbon Steel
SFM
140 - 250
190 - 325
100 - 225
275 ~ 350
IPR
.003 - .006
.004 - .008
.006 - .010
SFM
160 - 275
210 - 360
110 - 250
200
IPR
.004 - .008
.006 - .010
.008 - .012
Alloy Steel
SFM
115 - 220
115 - 250
80 - 210
350
IPR
.003 - .006
.004 - .008
.006 - .010
SFM
60 - 160
80 - 210
50 -115
300 Austenitic Stainless Steel
160 ~ 280
GS 2D 4D
IPR
.002 - .006
.003 - .008
.004 - .010
M
SFM
75 - 180
90 - 225
60 - 120
400 Martensitic Stainless Steel
160 ~ 240
IPR
.002 - .006
.003 - .008
.006 - .010
SFM
195 - 390
250 -415
115 - 300
Cast Iron
IPR
.006 - .010
.006 - .014
.006 - .014
K
SFM
160 - 300
210 - 375
115 - 185
Ductile Iron
IPR
.006 - .010
.006 - .014
.006 - .014
SFM
40 - 80
50 - 100
40 - 60
H
Hardened Steel
45-60 Rc
IPR
.002 - .004
.003 - .006
.004 - .008
SFM
40 - 100
50 - 110
40 - 80
Titanium Alloy Ti-6Al-4V
IPR
.003 - .004
.003 - .005
.003 - .006
S
SFM
30 - 60
40 - 80
30 - 60
Exotics - Inconel, Monel
IPR
.002 - .003
.003 - .005
.003 - .006
SFM
400 - 800
400 - 800
300 - 700
Aluminum alloy
IPR
.003 - .006
.004 - .008
.006 - .012
N
SFM
400 - 800
400 - 800
300 - 700
Copper Alloy
IPR
.003 - .006
.004 - .008
.006 - .010
J18
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