Section J 25-26

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)

LCF

OAL

Diameter ø8.5 to 11.5mm

Diameter ø12.0 to 16.0mm

Dimensions ( mm )

Dia. DC

Hole Depth (L/D)

Effective Length LU

Flute Length LCF

Overall Length OAL

Tip PL

Shank Dia. DCON

Dia. DC

Hole Depth (L/D)

Effective Length LU

Flute Length LCF

Overall Length OAL

Tip PL

Shank Dia. DCON

Cat. No.

Fig

Cat. No.

Fig

3  MDW0850PHT

3  MDW1200PHT

30.9 43.6 101.1 1.1

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 1 2 2 2 2 2 1 2 2 2 2

43.6 61.6 123.6 1.6

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

10  MDW0850XHGS10 116.8 129.5 186.5 12  MDW0850XHGS12 131.8 144.5 201.5 15  MDW0850XHGS15 156.8 169.5 226.5 20  MDW0850XHGS20 199.8 212.5 269.5 25  MDW0850XHGS25 241.8 254.5 311.5 30  MDW0850XHGS30 284.8 297.5 354.5 10  MDW0900XHGS10 123.1 136.6 191.6 12  MDW0900XHGS12 141.1 154.6 209.6 15  MDW0900XHGS15 168.1 181.6 236.6 20  MDW0900XHGS20 213.1 226.6 281.6 25  MDW0900XHGS25 258.1 271.6 326.6 30  MDW0900XHGS30 303.1 316.6 371.6 3  MDW0900PHT 10  MDW0950XHGS10 130.5 144.7 202.7 12  MDW0950XHGS12 147.5 161.7 219.7 15  MDW0950XHGS15 175.5 189.7 247.7 20  MDW0950XHGS20 223.5 237.7 295.7 25  MDW0950XHGS25 270.5 284.7 342.7 30  MDW0950XHGS30 318.5 332.7 390.7 10  MDW1000XHGS10 136.8 151.8 207.8 12  MDW1000XHGS12 156.8 171.8 227.8 15  MDW1000XHGS15 186.8 201.8 257.8 20  MDW1000XHGS20 236.8 251.8 307.8 25  MDW1000XHGS25 286.8 301.8 357.8 30  MDW1000XHGS30 336.8 351.8 407.8 3  MDW0950PHT 3  MDW1000PHT 10  MDW1050XHGS10 144.2 159.9 222.9 12  MDW1050XHGS12 163.2 178.9 241.9 15  MDW1050XHGS15 194.2 209.9 272.9 20  MDW1050XHGS20 247.2 262.9 325.9 25  MDW1050XHGS25 299.2 314.9 377.9 10  MDW1100XHGS10 150.5 167.0 228.0 12  MDW1100XHGS12 172.5 189.0 250.0 15  MDW1100XHGS15 205.5 222.0 283.0 20  MDW1100XHGS20 260.5 277.0 338.0 3  MDW1100PHT 25  MDW1100XHGS25 315.5 332.0 393.0 10  MDW1150XHGS10 157.9 175.1 239.1 12  MDW1150XHGS12 178.9 196.1 260.1 15  MDW1150XHGS15 212.9 230.1 294.1 20  MDW1150XHGS20 270.9 288.1 352.1 25  MDW1150XHGS25 327.9 345.1 409.1 3  MDW1150PHT 3  MDW1050PHT

10  MDW1200XHGS10 164.2 182.2 244.2 12  MDW1200XHGS12 188.2 206.2 268.2 15  MDW1200XHGS15 224.2 242.2 304.2 20  MDW1200XHGS20 284.2 302.2 364.2 25  MDW1200XHGS25 344.2 362.2 424.2 10  MDW1250XHGS10 171.6 190.3 255.3 12  MDW1250XHGS12 194.6 213.3 278.3 15  MDW1250XHGS15 231.6 250.3 315.3 20  MDW1250XHGS20 294.6 313.3 378.3 3  MDW1250PHT 10  MDW1300XHGS10 177.9 197.4 260.4 12  MDW1300XHGS12 203.9 223.4 286.4 15  MDW1300XHGS15 242.9 262.4 325.4 20  MDW1300XHGS20 307.9 327.4 390.4 10  MDW1350XHGS10 185.3 205.5 271.5 12  MDW1350XHGS12 210.3 230.5 296.5 15  MDW1350XHGS15 250.3 270.5 336.5 20  MDW1350XHGS20 318.3 338.5 404.5 3  MDW1300PHT 3  MDW1350PHT 10  MDW1400XHGS10 191.5 212.5 276.5 12  MDW1400XHGS12 219.5 240.5 304.5 15  MDW1400XHGS15 261.5 282.5 346.5 20  MDW1400XHGS20 331.5 352.5 416.5 10  MDW1450XHGS10 198.9 220.6 287.6 12  MDW1450XHGS12 225.9 247.6 314.6 15  MDW1450XHGS15 268.9 290.6 357.6 3  MDW1450PHT 10  MDW1500XHGS10 205.2 227.7 292.7 12  MDW1500XHGS12 235.2 257.7 322.7 15  MDW1500XHGS15 280.2 302.7 367.7 10  MDW1550XHGS10 212.6 235.8 303.8 12  MDW1550XHGS12 241.6 264.8 332.8 15  MDW1550XHGS15 287.6 310.8 378.8 3  MDW1400PHT 3  MDW1500PHT 3  MDW1550PHT 10  MDW1600XHGS10 218.9 242.9 308.9 12  MDW1600XHGS12 248.9 272.9 340.9 15  MDW1600XHGS15 298.9 322.9 388.9 3  MDW1600PHT

12.0

9.0

2.2

8.5

1.5

45.5 64.2 129.7 1.7

32.7 46.2 101.2 1.2

13.0

12.5

2.3

9.0

1.6

47.2 66.7 129.7 1.7

13.0

2.4

34.6 48.8 107.3 1.3

49.1 69.3 135.8 1.8

10.0

9.5

1.7

14.0

13.5

2.5

36.3 51.3 107.3 1.3

50.9 71.9 135.9 1.9

14.0

2.5

10.0

1.8

52.7 74.4 141.9 1.9

15.0

14.5

2.6

38.2 53.9 117.4 1.4

54.5 77.0 142.0 2.0

11.0

10.5

1.9

15.0

2.7

40.0 56.5 117.5 1.5

56.4 79.6 148.1 2.1

16.0

15.5

2.8

11.0

2.0

58.1 82.1 148.1 2.1

16.0

2.9

41.8 59.0 123.5 1.5

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

12.0

11.5

2.1

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

 : Worldwide Warehouse Item

Recommended Cutting Conditions

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

Dia. DC ( mm )

Cutting Conditions

Mild Steel (up to 200HB)

General Steel (up to 250HB)

Alloy Steel (up to 300HB)

Hardened Steel (up to 40HRC)

Gray Cast Iron Ductile Cast Iron

50 - 80

60 - 100

40 - 70

30 - 50

40 - 70

v c

ø3.0

0.12 - 0.20

0.10 - 0.16

0.06 - 0.12

0.15 - 0.23

50 - 80

60 - 100

50 - 70

30 - 55

50 - 70

v c

ø5.0

0.15 - 0.25

0.15 - 0.30

0.12 - 0.20

0.08 - 0.14

0.17 - 0.35

50 - 90

60 - 110

50 - 80

30 - 60

50 - 80

v c

ø10.0

0.20 - 0.30

0.20 - 0.32

0.15 - 0.25

0.10 - 0.20

0.25 - 0.35

60 - 100

60 - 120

50 - 80

40 - 70

50 - 80

v c

ø16.0

0.25 - 0.35

0.15 - 0.27

0.12 - 0.23

0.25 - 0.35

J77

Note: Use lower speed when using MQL coolant, and higher speed when using internal coolant supply or dual-liquid mist.

Min. - Max.

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