Section J 25-26

Strong MultiDrills HY Series (Internal Coolant Supply)

Carbon Steel/ Alloy Steel up to 0.28%

Carbon Steel/ Alloy Steel from 0.29%

Ductile Cast Iron

Cast Iron

Coolant Hole

Coating

*Refer to N74 for the tolerance of h6 and h8

Fig 1

LU

PL

LCF

OAL

J

Diameter ø5.0 to 9.5mm

Diameter ø10.0 to 16.0mm

Dimensions ( mm )

Dimensions ( mm )

Effective Length LU

Flute Length LCF

Overall Length OAL

Tip PL

Shank Dia. DCON

Effective Length LU

Flute Length LCF

Overall Length OAL

Tip PL

Shank Dia. DCON

Dia. DC

Hole Depth (L/D)

Dia. DC

Hole Depth (L/D)

Cat. No.

Fig

Cat. No.

Fig

 MDW0500HY3  MDW0500HY5  MDW0500HY8  MDW0510HY3  MDW0510HY5 MDW0510HY8  MDW0600HY3  MDW0600HY5  MDW0600HY8  MDW0650HY3  MDW0650HY5 MDW0650HY8  MDW0680HY3  MDW0680HY5  MDW0680HY8  MDW0700HY3  MDW0700HY5 MDW0700HY8  MDW0800HY3  MDW0800HY5 MDW0800HY8  MDW0850HY3  MDW0850HY5  MDW0850HY8  MDW0860HY3  MDW0860HY5 MDW0860HY8  MDW0880HY3  MDW0880HY5 MDW0880HY8  MDW0900HY3  MDW0900HY5 MDW0900HY8  MDW0950HY3  MDW0950HY5 MDW0950HY8

 MDW1000HY3  MDW1000HY5 MDW1000HY8  MDW1020HY3  MDW1020HY5 MDW1020HY8  MDW1030HY3  MDW1030HY5  MDW1030HY8  MDW1100HY3  MDW1100HY5 MDW1100HY8  MDW1140HY3  MDW1140HY5 MDW1140HY8  MDW1150HY3  MDW1150HY5 MDW1150HY8  MDW1200HY3  MDW1200HY5 MDW1200HY8  MDW1250HY3  MDW1250HY5  MDW1250HY8  MDW1300HY3  MDW1300HY5 MDW1300HY8  MDW1400HY3  MDW1400HY5 MDW1400HY8  MDW1600HY3  MDW1600HY5 MDW1600HY8

3 5 8 3 5 8 3 5 8 3 5 8 3 5 8 3 5 8 3 5 8 3 5 8 3 5 8 3 5 8 3 5 8 3 5 8

21.0 28.5 81.0 37.5 45.0 99.0 48.5 56.0 106.0 21.0 28.6 83.1 37.5 45.1 101.1 54.0 61.6 119.1 22.2 31.2 83.2 40.2 49.2 101.2 58.2 67.2 119.2 24.1 33.8 89.3 43.6 53.3 110.3 63.1 72.8 131.3 26.2 36.4 89.4 47.2 57.4 110.4 68.2 78.4 131.4 25.9 36.4 89.4 46.9 57.4 110.4 67.9 78.4 131.4 29.7 41.7 95.7 53.7 65.7 119.7 77.7 89.7 143.7 31.6 44.3 101.8 57.1 69.8 128.8 82.6 95.3 155.8 33.9 46.8 101.8 60.9 73.8 128.8 87.9 100.8 155.8 33.6 46.8 101.8 60.6 73.8 128.8 87.6 100.8 155.8 33.4 46.9 101.9 60.4 73.9 128.9 87.4 100.9 155.9 35.3 49.5 108.0 63.8 78.0 138.0 92.3 106.5 168.0

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

3 5 8 3 5 8 3 5 8 3 5 8 3 5 8 3 5 8 3 5 8 3 5 8 3 5 8 3 5 8 3 5 8

37.1 52.1 108.1 67.1 82.1 138.1 97.1 112.1 168.1 39.3 54.6 118.1 70.8 86.1 151.1 102.3 117.6 184.1 39.2 54.6 118.1 70.7 86.1 151.1 102.2 117.6 184.1 40.8 57.3 118.3 73.8 90.3 151.3 106.8 123.3 184.3 42.8 59.9 124.4 77.3 94.4 160.4 111.8 128.9 196.4 42.7 59.9 124.4 77.2 94.4 160.4 111.7 128.9 196.4 44.5 62.5 124.5 80.5 98.5 160.5 116.5 134.5 196.5 46.4 65.1 130.6 83.9 102.6 169.6 121.4 140.1 208.6 48.2 67.7 130.7 87.2 106.7 169.7 126.2 145.7 208.7 51.9 72.9 136.9 93.9 114.9 178.9 135.9 156.9 220.9 59.3 83.3 149.3 107.3 131.3 197.3 155.3 179.3 245.3

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

1.0 5.0

2.1 10.0

5.0

10.0

1.1 6.0

2.1 11.0

5.1

10.2

1.2 6.0

2.1 11.0

6.0

10.3

1.3 7.0

2.3 11.0

6.5

11.0

1.4 7.0

2.4 12.0

6.8

11.4

1.4 7.0

2.4 12.0

7.0

11.5

1.7 8.0

2.5 12.0

8.0

12.0

1.8 9.0

2.6 13.0

8.5

12.5

1.8 9.0

2.7 13.0

8.6

13.0

1.8 9.0

2.9 14.0

8.8

14.0

1.9 9.0

3.3 16.0

9.0

16.0

Grade: ACX70

2.0 10.0

9.5

Grade: ACX70

Recommended Cutting Conditions

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

Dia. DC ( mm )

Cutting Conditions

Mild Steel/General Steel (up to 300HB)

Gray Cast Iron FC250

Ductile Cast Iron FCD450

50 - 120

50 - 90

40 - 80

v c

ø5.0

0.15 - 0.25

0.20 - 0.45

0.18 - 0.30

f

70 - 150

60 - 100

50 - 90

v c

ø10.0

0.20 - 0.40

0.30 - 0.60

0.30 - 0.50

f

80 - 160

70 - 120

60 - 100

v c

ø16.0

0.35 - 0.55

0.40 - 0.80

0.40 - 0.70

f

Min. - Max.

J68

 : Worldwide Warehouse Item

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