Strong MultiDrills HX Series (Internal Coolant Supply)
Ductile Cast Iron
Cast Iron
Coolant Hole
Coating
*Refer to N74 for the tolerance of h6 and h8
Steel
Fig 1
LU
PL
LCF
OAL
J
Diameter ø17.4 to 18.3mm
Diameter ø18.4 to 20.0mm
Dimensions ( mm )
Dimensions ( mm )
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
Dia. DC
Hole Depth (L/D)
Tip PL
Tip PL
Cat. No.
Fig
Cat. No.
Fig
MDW1740HX3 MDW1740HX5 MDW1740HX8 MDW1750HX3 MDW1750HX5 MDW1750HX8 MDW1760HX3 MDW1760HX5 MDW1760HX8 MDW1770HX3 MDW1770HX5 MDW1770HX8 MDW1780HX3 MDW1780HX5 MDW1780HX8 MDW1790HX3 MDW1790HX5 MDW1790HX8 MDW1800HX3 MDW1800HX5 MDW1800HX8 MDW1810HX3 MDW1810HX5 MDW1820HX3 MDW1820HX5 MDW1830HX3 MDW1830HX5
MDW1840HX3 MDW1840HX5 MDW1850HX3 MDW1850HX5 MDW1860HX3 MDW1860HX5 MDW1870HX3 MDW1870HX5 MDW1880HX3 MDW1880HX5 MDW1890HX3 MDW1890HX5 MDW1900HX3 MDW1900HX5 MDW1910HX3 MDW1910HX5 MDW1920HX3 MDW1920HX5 MDW1930HX3 MDW1930HX5 MDW1940HX3 MDW1940HX5 MDW1950HX3 MDW1950HX5 MDW1960HX3 MDW1960HX5 MDW1970HX3 MDW1970HX5 MDW1980HX3 MDW1980HX5 MDW1990HX3 MDW1990HX5 MDW2000HX3 MDW2000HX5
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 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
3.3 19.0
18.4
3.2 18.0
17.4
3.4 19.0
18.5
3.2 18.0
17.5
3.4 19.0
18.6
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
3.5 19.0
19.0
3.2 18.0
17.8
3.5 20.0
19.1
3.3 18.0
17.9
3.5 20.0
19.2
3.5 20.0
19.3
3.3 18.0
18.0
3.5 20.0
19.4
3.3 19.0
18.1
3.5 20.0
19.5
3.3 19.0
18.2
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
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 - 90
40 - 80
v c
ø3.0
0.10 - 0.30
0.12 - 0.24
f
50 - 90
40 - 80
v c
ø5.0
0.15 - 0.35
0.15 - 0.30
f
60 - 100
50 - 90
v c
ø10.0
0.20 - 0.50
0.20 - 0.40
f
70 - 120
60 - 100
v c
ø20.0
0.25 - 0.70
0.25 - 0.60
f
Min. - Max.
: Worldwide Warehouse Item
J66
Made with FlippingBook flipbook maker