SCI 21-22 General Catalog

Strong MultiDrills HX Type (Internal Coolant Supply)

Ductile Cast Iron

Cast Iron

Coolant Hole

Coating

*Refer to N74 for the tolerance of h6 and h8

Fig 1

LU

PL

LCF

OAL

Diameter ø18.4 to 20.0mm

Diameter ø17.4 to 18.3mm

J

Dimensions ( mm )

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

MDW1740HX3 MDW1740HX5 MDW1740HX8

MDW1840HX3 MDW1840HX5

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

64.6 90.7 161.2 117.1 143.2 217.2 169.6 195.7 269.2 64.5 90.7 161.2 117.0 143.2 217.2 169.5 195.7 269.2 66.8 93.2 161.2 120.8 147.2 217.2 174.8 201.2 269.2 66.7 93.2 161.2 120.7 147.2 217.2 174.7 201.2 269.2 66.5 93.2 161.2 120.5 147.2 217.2 174.5 201.2 269.2 66.5 93.3 161.3 120.5 147.3 217.3 174.5 201.3 269.3 66.3 93.3 161.3 120.3 147.3 217.3 174.3 201.3 269.3 68.7 95.8 167.3 124.2 151.3 224.3 68.5 95.8 167.3 124.0 151.3 224.3 68.4 95.8 167.3 123.9 151.3 224.3

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

68.2 95.8 167.3 123.7 151.3 224.3 68.2 95.9 167.4 123.7 151.4 224.4 70.5 98.4 167.4 127.5 155.4 224.4 70.4 98.4 167.4 127.4 155.4 224.4 70.2 98.4 167.4 127.2 155.4 224.4 70.1 98.4 167.4 127.1 155.4 224.4 70.0 98.5 167.5 127.0 155.5 224.5 72.4 101.0 173.5 130.9 159.5 233.5 72.2 101.0 173.5 130.7 159.5 233.5 72.1 101.0 173.5 130.6 159.5 233.5 71.9 101.0 173.5 130.4 159.5 233.5 71.8 101.0 173.5 130.3 159.5 233.5 74.2 103.6 173.6 134.2 163.6 233.6 74.1 103.6 173.6 134.1 163.6 233.6 73.9 103.6 173.6 133.9 163.6 233.6 73.8 103.6 173.6 133.8 163.6 233.6 73.6 103.6 173.6 133.6 163.6 233.6

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 3 5 3 5 3 5 3 5 3 5 3 5 3 5 3 5 3 5 3 5 3 5 3 5 3 5 3 5 3 5 3 5

3.3 19.0

18.4

3.2 18.0

17.4

« MDW1850HX3 « MDW1850HX5

3.4 19.0

18.5

« MDW1750HX3 « MDW1750HX5

MDW1860HX3 MDW1860HX5 MDW1870HX3 MDW1870HX5 MDW1880HX3 MDW1880HX5 MDW1890HX3 MDW1890HX5

3.2 18.0

17.5

3.4 19.0

18.6

MDW1750HX8 MDW1760HX3 MDW1760HX5 MDW1760HX8 MDW1770HX3 MDW1770HX5 MDW1770HX8 MDW1780HX3 MDW1780HX5 MDW1780HX8 MDW1790HX3 MDW1790HX5 MDW1790HX8

3.4 19.0

18.7

3.2 18.0

17.6

3.4 19.0

18.8

3.2 18.0

17.7

3.4 19.0

18.9

« MDW1900HX3 « MDW1900HX5

3.5 19.0

19.0

3.2 18.0

17.8

MDW1910HX3 MDW1910HX5 MDW1920HX3 MDW1920HX5 MDW1930HX3 MDW1930HX5 MDW1940HX3 MDW1940HX5

3.5 20.0

19.1

3.3 18.0

17.9

3.5 20.0

19.2

« MDW1800HX3 « MDW1800HX5

3.5 20.0

19.3

3.3 18.0

18.0

MDW1800HX8 MDW1810HX3 MDW1810HX5 MDW1820HX3 MDW1820HX5 MDW1830HX3 MDW1830HX5

3.5 20.0

19.4

3.3 19.0

18.1

« MDW1950HX3 « MDW1950HX5

3.5 20.0

19.5

3.3 19.0

18.2

MDW1960HX3 MDW1960HX5 MDW1970HX3 MDW1970HX5 MDW1980HX3 MDW1980HX5 MDW1990HX3 MDW1990HX5

3.6 20.0

19.6

3.3 19.0

18.3

3.6 20.0

19.7

Grade: ACX70

3.6 20.0

19.8

3.6 20.0

19.9

« MDW2000HX3 « MDW2000HX5

3.6 20.0

20.0

Grade: ACX70

Recommended Cutting Conditions ( v

c : Cutting Speed (m/min),

f : Feed Rate (mm/rev))

Dia. DC (mm)

Cutting Conditions

Gray Cast Iron FC250

Ductile Cast Iron FCD450

50 - 70 - 90

40 - 50 - 80

v

c

ø3.0

0.10 - 0.20 - 0.30 0.12 - 0.18 - 0.24

f

50 - 70 - 90

40 - 50 - 80

v

c

ø5.0

0.15 - 0.25 - 0.35 0.15 - 0.22 - 0.30

f

60 - 80 - 100

50 - 60 - 90

v

c

ø10.0

0.20 - 0.35 - 0.50 0.20 - 0.30 - 0.40

f

70 - 100 - 120

60 - 80 - 100

v

c

ø20.0

0.25 - 0.50 - 0.70 0.25 - 0.45 - 0.60 Min. - Optimum - Max.

f

J64

« : Worldwide Warehouse Item

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