Sumitomo General Catalog 2025-2026

Drill for Heat-Resistant Alloys SGS Type (External Coolant Supply)

Stainless Steel

Ti Alloy Heat-resistant Steel

Coat

*Refer to N74 for the tolerance of h6 and h8

LU

Fig 1

PL

LCF

LF

J

Diameter ø3.0 to 12.0mm

Dimensions ( mm )

Dia. DC

Hole Depth (L/D)

Effective Length LU

Flute Length LCF

Overall Length OAL

Tip PL 0.6 0.7 0.8 0.9 1.0 1.1 1.2 1.3 1.4 1.6 1.7 1.8 1.9 2.0 2.1 2.2 2.3 2.4 2.5

Shank Dia. DCON

Cat. No.

Fig

 MDW0300SGS3  MDW0350SGS3  MDW0400SGS3  MDW0450SGS3  MDW0500SGS3  MDW0550SGS3  MDW0600SGS3  MDW0650SGS3  MDW0700SGS3  MDW0750SGS3  MDW0800SGS3  MDW0850SGS3  MDW0900SGS3  MDW0950SGS3  MDW1000SGS3  MDW1050SGS3  MDW1100SGS3  MDW1150SGS3  MDW1200SGS3

3

1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1

3.0 3.5 4.0 4.5 5.0 5.5 6.0 6.5

13.6 15.5 17.3 19.2 21.0 20.4 22.2 24.1 25.9 27.9 29.7 31.6 33.4 35.3 37.1 39.0 40.8 42.7 44.5

18.1 20.7 23.3 25.9 28.5 28.6 31.2 33.8 36.4 39.1 41.7 44.3 46.9 49.5 52.1 54.7 57.3 59.9 62.5

49.6 60.7 60.8 76.9 77.0 82.1 82.2 84.3 84.4 91.6 91.7 99.8

3.0

3

4.0

3

5.0

3

6.0

3

7.0

7.0 7.5

3

8.0

8.0 8.5 9.0 9.5

3

9.0

99.9 107.0 107.1 116.2 116.3 123.4 123.5

3

10.0

10.0 10.5 11.0 11.5 12.0

3

11.0

3

12.0

Grade: ACW528

Recommended Cutting Conditions ( v

c : Cutting Speed (m/min ), f : Feed Rate ( mm/rev ))

Dia. DC ( mm )

Cutting Conditions

Titanium Alloy Ti

Heat-Resistant Alloy Inconel

10 - 30

10 - 30

v c

ø6.0

0.05 - 0.10

0.05 - 0.10

f

10 - 30

10 - 30

v c

ø10.0

0.07 - 0.12

0.07 - 0.12

f

10 - 30

15 - 30

v c

ø12.0

0.07 - 0.12

0.07 - 0.12

f

Min. - Max.

J70

 : Worldwide Warehouse Item

Made with FlippingBook flipbook maker