Sumitomo General Catalog 2025-2026

Deep Hole Drilling XHGS / PHT (Internal Coolant Supply)

Carbon Steel/ Alloy Steel up to 0.28%

Carbon Steel/ Alloy Steel from 0.29%

Hardened Steel up to 45HRC

Stainless Steel

Tempered Steel

Ductile Cast Iron

Cast Iron

Coolant Hole

Coating

*Refer to N74 for the tolerance of h6, h8 and e8

Steel

Fig. 1 (PHT Type)

Fig. 2 (XHGS Type)

LU

PL

LU

PL

LCF

LCF

OAL

OAL

Diameter ø3.7 to 4.4mm

Diameter ø4.5 to 5.2mm

Dimensions ( mm )

Dimensions ( mm )

J

Dia. DC

Hole Depth (L/D)

Effective Length LU

Flute Length LCF

Overall Length OAL

Shank Dia. DCON

Dia. DC

Hole Depth (L/D)

Effective Length LU

Flute Length LCF

Overall Length OAL

Shank Dia. DCON

Tip PL

Tip PL

Cat. No.

Fig

Cat. No.

Fig

3  MDW0370PHT 10  MDW0370XHGS10 15  MDW0370XHGS15 20  MDW0370XHGS20 12 MDW0370XHGS12 3  MDW0380PHT 10  MDW0380XHGS10 15  MDW0380XHGS15 20  MDW0380XHGS20 12 MDW0380XHGS12 3  MDW0390PHT 10  MDW0390XHGS10 15  MDW0390XHGS15 20  MDW0390XHGS20 12 MDW0390XHGS12 3  MDW0400PHT 10  MDW0400XHGS10 12  MDW0400XHGS12 15  MDW0400XHGS15 20  MDW0400XHGS20

3  MDW0450PHT 10  MDW0450XHGS10 12  MDW0450XHGS12 15  MDW0450XHGS15

17.5 23.0 72.5 0.5

1 2 2 2 2 2 2 1 2 2 2 2 2 2 1 2 2 2 2 2 2 1 2 2 2 2 2 2 1 2 2 2 2 2 2 1 2 2 2 2 2 2 1 2 2 2 2 2 2 1 2 2 2 2 2 2

18.9 25.6 80.6 0.6

1 2 2 2 2 2 2 1 2 2 2 2 2 2 1 2 2 2 2 2 2 1 2 2 2 2 2 2 1 2 2 2 2 2 2 1 2 2 2 2 2 2 1 2 2 2 2 2 2 1 2 2 2 2 2 2

55.2 60.7 108.7 63.2 68.7 116.7 75.2 80.7 128.7 95.2 100.7 148.7

62.1 68.8 120.8 69.1 75.8 127.8 82.1 88.8 140.8

4.0

5.0

3.7

4.5

0.7

0.8

20  MDW0450XHGS20 105.1 111.8 163.8 25  MDW0450XHGS25 127.1 133.8 185.8 30  MDW0450XHGS30 150.1 156.8 208.8

25  MDW0370XHGS25 115.2 120.7 168.7 30  MDW0370XHGS30 135.2 140.7 188.7

3  MDW0460PHT 10  MDW0460XHGS10

17.3 23.0 72.5 0.5

21.2 28.1 80.6 0.6

55.0 60.7 108.7 63.0 68.7 116.7 75.0 80.7 128.7 95.0 100.7 148.7

68.9 75.8 125.8 78.9 85.8 135.8 93.9 100.8 150.8

MDW0460XHGS12

12

15  MDW0460XHGS15

4.0

5.0

3.8

4.6

0.7

0.8

20  MDW0460XHGS20 118.9 125.8 175.8 25  MDW0460XHGS25 143.9 150.8 200.8 30  MDW0460XHGS30 168.9 175.8 225.8

25  MDW0380XHGS25 115.0 120.7 168.7 30  MDW0380XHGS30 135.0 140.7 188.7

3  MDW0470PHT 10  MDW0470XHGS10

17.2 23.0 72.5 0.5

21.1 28.1 80.6 0.6

54.9 60.7 108.7 62.9 68.7 116.7 74.9 80.7 128.7 94.9 100.7 148.7

68.9 75.9 125.9 78.9 85.9 135.9 93.9 100.9 150.9

MDW0470XHGS12

12

15  MDW0470XHGS15

4.0

5.0

3.9

4.7

0.7

0.9

20  MDW0470XHGS20 118.9 125.9 175.9 25  MDW0470XHGS25 143.9 150.9 200.9 30  MDW0470XHGS30 168.9 175.9 225.9

25  MDW0390XHGS25 114.9 120.7 168.7 30  MDW0390XHGS30 134.9 140.7 188.7

3  MDW0480PHT 10  MDW0480XHGS10

17.0 23.0 72.5 0.5

20.9 28.1 80.6 0.6

54.7 60.7 108.7 62.7 68.7 116.7 74.7 80.7 128.7 94.7 100.7 148.7

68.7 75.9 125.9 78.7 85.9 135.9 93.7 100.9 150.9

MDW0480XHGS12

12

15  MDW0480XHGS15

4.0

5.0

4.0

4.8

0.7

0.9

20  MDW0480XHGS20 118.7 125.9 175.9 25  MDW0480XHGS25 143.7 150.9 200.9 30  MDW0480XHGS30 168.7 175.9 225.9

25  MDW0400XHGS25 114.7 120.7 168.7 30  MDW0400XHGS30 134.7 140.7 188.7

3  MDW0410PHT 10  MDW0410XHGS10

3  MDW0490PHT 10  MDW0490XHGS10

19.4 25.5 80.5 0.5

20.9 28.2 80.7 0.7

62.6 68.7 120.7 69.6 75.7 127.7 82.6 88.7 140.7

68.6 75.9 125.9 78.6 85.9 135.9 93.6 100.9 150.9

MDW0410XHGS12

MDW0490XHGS12

12

12

15  MDW0410XHGS15

15  MDW0490XHGS15

5.0

5.0

4.1

4.9

0.7

0.9

20  MDW0410XHGS20 105.6 111.7 163.7 25  MDW0410XHGS25 127.6 133.7 185.7 30  MDW0410XHGS30 150.6 156.7 208.7

20  MDW0490XHGS20 118.6 125.9 175.9 25  MDW0490XHGS25 143.6 150.9 200.9 30  MDW0490XHGS30 168.6 175.9 225.9

3  MDW0420PHT 10  MDW0420XHGS10

3  MDW0500PHT 10  MDW0500XHGS10 12  MDW0500XHGS12 15  MDW0500XHGS15

19.3 25.6 80.6 0.6

20.7 28.2 80.7 0.7

62.5 68.8 120.8 69.5 75.8 127.8 82.5 88.8 140.8

68.4 75.9 125.9 78.4 85.9 135.9 93.4 100.9 150.9

MDW0420XHGS12

12

15  MDW0420XHGS15

5.0

5.0

4.2

5.0

0.8

0.9

20  MDW0420XHGS20 105.5 111.8 163.8 25  MDW0420XHGS25 127.5 133.8 185.8 30  MDW0420XHGS30 150.5 156.8 208.8

20  MDW0500XHGS20 118.4 125.9 175.9 25  MDW0500XHGS25 143.4 150.9 200.9 30  MDW0500XHGS30 168.4 175.9 225.9

3  MDW0430PHT 10  MDW0430XHGS10

3  MDW0510PHT 10  MDW0510XHGS10

19.2 25.6 80.6 0.6

20.6 28.2 82.7 0.7

62.4 68.8 120.8 69.4 75.8 127.8 82.4 88.8 140.8

76.3 83.9 137.9 85.3 92.9 146.9

MDW0430XHGS12

MDW0510XHGS12

12

12

15  MDW0430XHGS15

15  MDW0510XHGS15 101.3 108.9 162.9 20  MDW0510XHGS20 131.3 138.9 192.9 25  MDW0510XHGS25 156.3 163.9 217.9 30  MDW0510XHGS30 184.3 191.9 245.9

5.0

6.0

4.3

5.1

0.8

0.9

20  MDW0430XHGS20 105.4 111.8 163.8 25  MDW0430XHGS25 127.4 133.8 185.8 30  MDW0430XHGS30 150.4 156.8 208.8

3  MDW0440PHT 10  MDW0440XHGS10

3  MDW0520PHT 10  MDW0520XHGS10

19.0 25.6 80.6 0.6

20.4 28.2 82.7 0.7

62.2 68.8 120.8 69.2 75.8 127.8 82.2 88.8 140.8

76.1 83.9 137.9 85.1 92.9 146.9

MDW0440XHGS12

MDW0520XHGS12

12

12

15  MDW0440XHGS15

15  MDW0520XHGS15 101.1 108.9 162.9 20  MDW0520XHGS20 131.1 138.9 192.9 25  MDW0520XHGS25 156.1 163.9 217.9 30  MDW0520XHGS30 184.1 191.9 245.9

5.0

6.0

4.4

5.2

0.8

0.9

20  MDW0440XHGS20 105.2 111.8 163.8 25  MDW0440XHGS25 127.2 133.8 185.8 30  MDW0440XHGS30 150.2 156.8 208.8

Part Number Suffix PHT: For Guide Hole Grade: ACX70 (XHGS) / ACX20 (PHT)

Part Number Suffix PHT: For Guide Hole Grade: ACX70 (XHGS) / ACX20 (PHT)

J74

 : Worldwide Warehouse Item

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