SCI 21-22 General Catalog

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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