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
Shank Dia. DCON
Effective Length LU
Flute Length LCF
Overall Length OAL
Shank Dia. DCON
Dia. DC
Hole Depth (L/D)
Dia. DC
Hole Depth (L/D)
Tip PL
Tip PL
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
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
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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