Super MultiDrills HGS (Internal 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
Stainless Steel
Tempered Steel
Ductile Cast Iron
Ti Alloy Heat-resistant Steel
Copper Alloy
Cast Iron
Coolant Hole
Coating
Steel
Drill Diameter ( inch )
Work Material
Hardness HB
Speed = SFM Feed = IPR
MDW
ø < - ø0.196
ø0.197 - ø0.394
ø0.395 > ø
SFM
300 - 475 .004 - .008 225 - 425 .004 - .008 175 - 375 .003 - .006 225 - 425 .004 - .008 175 - 375 .003 - .006 190 - 380 .003 - .008 125 - 300 .003 - .006 120 - 225 .002 - .006 120 - 250 .002 - .006 150 - 380 .006 - .010 150 - 350 .006 - .010
400 - 550 .006 - .010 265 - 530 .006 - .010 225 - 495 .004 - .008 265 - 530 .006 - .010 225 - 495 .004 - .008 225 - 475 .006 - .010 155 - 325 .004 - .008 150 - 325 .004 - .010 175 - 350 .004 - .010 250 - 475 .006 - .014 225 - 450 .006 - .014
450 - 650 .008 - .014 425 - 625 .008 - .014 250 - 525 .006 - .012 350 - 575 .008 - .014 305 - 525 .006 - .012 275 - 525 .008 - .014 155 - 350 .006 - .010 150 - 325 .006 - .012 175 - 350 .006 - .012 275 - 530 .006 - .014 250 - 500 .006 - .014
<190
IPR
SFM
Low Carbon Steel
190 ~ 250
IPR
SFM
J
250 ~ 300
IPR
SFM
P
180 ~ 275
IPR
Medium Carbon Steel
SFM
275 ~ 350
IPR
SFM
200
IPR
Alloy Steel
SFM
350
IPR
HGS 3D 5D 8D
SFM
300 Austenitic Stainless Steel 400 Martensitic Stainless Steel
160 ~ 280
IPR
M
SFM
160 ~ 240
IPR
SFM
Cast Iron
IPR
K
SFM
Ductile Iron
IPR
SFM
60 - 190
80 - 225
80 - 225
H
Hardened Steel
45-60 Rc
IPR
.002 - .004
.003 - .006
.004 - .008
SFM
65 - 130
80 - 130
80 - 160
Titanium Alloy Ti-6Al-4V
IPR
.003 - .004
.003 - .005
.003 - .006
S
SFM
40 - 85
40 - 100
50 - 120
Exotics - Inconel, Monel
IPR
.002 - .003 500 - 800 .003 - .006 400 - 800 .003 - .006
.003 - .005 600 - 1000 .004 - .008 500 - 800 .004 - .008
.003 - .006 600 - 1000 .006 - .012 500 - 800 .006 - .010
SFM
Aluminum alloy
IPR
N
SFM
Copper Alloy
IPR
J35
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