Section J 25-26

Super MultiDrills WGS Series (External 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

Coating

*Refer to N74 for the tolerance of h6 and h8

Fig 1

PL

LCF

OAL

J

This product is a made-to-order item. Please specify the hole diameter (including tolerance) when ordering.

Body

Dimensions ( mm )

Dia. DC

Flute Length LCF

Overall Length OAL

Tip PL

Shank Dia. DCON

Cat. No.

Fig

MDW 0680 to 0700WGS2 MDW 0710 to 0750WGS2 MDW 0760 to 0800WGS2 MDW 0810 to 0850WGS2 MDW 0860 to 0900WGS2 MDW 0910 to 0950WGS2 MDW 0960 to 1000WGS2 MDW 1010 to 1050WGS2 MDW 1060 to 1100WGS2 MDW 1110 to 1150WGS2 MDW 1160 to 1200WGS2 MDW 1210 to 1250WGS2 MDW 1260 to 1300WGS2 MDW 1310 to 1350WGS2 MDW 1360 to 1400WGS2 MDW 1410 to 1450WGS2 MDW 1460 to 1500WGS2 MDW 1510 to 1550WGS2 MDW 1560 to 1600WGS2

6.8 to 7.0 7.1 to 7.5 7.6 to 8.0 8.1 to 8.5 8.6 to 9.0 9.1 to 9.5

34 35 38 38 40 40 43 43 47 47 49 50 52 53 55 55 56 56 58

74

1.4 1.5 1.6 1.7 1.8 1.9 2.0 2.1 2.2 2.3 2.4 2.6 2.7 2.8 2.9 3.0 3.1 3.2 3.3

7.0

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

80

8.0

84

9.0

89

10.0

9.6 to 10.0 10.1 to 10.5 10.6 to 11.0 11.1 to 11.5 11.6 to 12.0 12.1 to 12.5 12.6 to 13.0 13.1 to 13.5 13.6 to 14.0 14.1 to 14.5 14.6 to 15.0 15.1 to 15.5 15.6 to 16.0

95

11.0

102

12.0

103

13.0

108

14.0

111

15.0

115

16.0

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)

Stainless Steel (up to 200HB)

Gray Cast Iron FC250

Ductile Cast Iron FCD450

50 - 130

15 - 60

50 - 80

50 - 70

v c

ø10.0

0.20 - 0.35

0.10 - 0.20

0.20 - 0.35

0.20 - 0.35

f

60 - 140

20 - 60

60 - 100

50 - 80

v c

ø16.0

0.25 - 0.35

0.10 - 0.20

0.25 - 0.35

0.25 - 0.35

f

Min. - Max.

* The recommended cutting conditions are also affected by factors such as machine rigidity and the workpiece clamping. Please adjust the cutting conditions according to your work environment. * If work hardening occurs during drilling, it is recommended to use a lower speed than the recommended cutting conditions.

J59

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