Sumitomo General Catalog 2025-2026

Flat Bottom Drills MDF-L - Long Style (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

Aluminum Alloy

Cast Iron

Coat

*Refer to N74 for the tolerance of h6 and h8

Fig. 1 (DC ≤ DCON)

Fig. 2 (DC > DCON)

LU

LU

LCF

LUX LCF

LUX

OAL

OAL

Diameter ø 3.0 to 8.5mm

Diameter ø 8.6 to 20.0mm

Dimensions ( mm )

Dimensions ( mm )

Dia. DC

Hole Depth (L/D)

Effective Length LU

Flute Length LCF

Neck Length LUX

Overall Length OAL

Shank Dia. DCON

Dia. DC

Hole Depth (L/D)

Effective Length LU

Flute Length LCF

Neck Length LUX

Overall Length OAL

Shank Dia. DCON

Cat. No.

Fig

Cat. No.

Fig

J

 MDF0300L2D  MDF0310L2D  MDF0320L2D  MDF0330L2D  MDF0340L2D  MDF0350L2D  MDF0360L2D  MDF0370L2D  MDF0380L2D  MDF0390L2D  MDF0400L2D  MDF0410L2D  MDF0420L2D  MDF0430L2D  MDF0440L2D  MDF0450L2D  MDF0460L2D  MDF0470L2D  MDF0480L2D  MDF0490L2D  MDF0500L2D  MDF0510L2D  MDF0520L2D  MDF0530L2D  MDF0540L2D  MDF0550L2D  MDF0560L2D  MDF0570L2D  MDF0580L2D  MDF0590L2D  MDF0600L2D  MDF0610L2D  MDF0620L2D  MDF0630L2D  MDF0640L2D  MDF0650L2D  MDF0660L2D  MDF0670L2D  MDF0680L2D  MDF0690L2D  MDF0700L2D  MDF0710L2D  MDF0720L2D  MDF0730L2D  MDF0740L2D  MDF0750L2D  MDF0760L2D  MDF0770L2D  MDF0780L2D  MDF0790L2D  MDF0800L2D  MDF0810L2D  MDF0820L2D  MDF0830L2D  MDF0840L2D  MDF0850L2D

 MDF0860L2D  MDF0870L2D  MDF0880L2D  MDF0890L2D  MDF0900L2D  MDF0910L2D  MDF0920L2D  MDF0930L2D  MDF0940L2D  MDF0950L2D  MDF0960L2D  MDF0970L2D  MDF0980L2D  MDF0990L2D  MDF1000L2D  MDF1010L2D  MDF1020L2D  MDF1030L2D  MDF1040L2D  MDF1050L2D  MDF1060L2D  MDF1070L2D  MDF1080L2D  MDF1090L2D  MDF1100L2D  MDF1110L2D  MDF1120L2D  MDF1130L2D  MDF1140L2D  MDF1150L2D  MDF1160L2D  MDF1170L2D  MDF1180L2D  MDF1190L2D  MDF1200L2D  MDF1250L2D  MDF1300L2D  MDF1350L2D  MDF1400L2D  MDF1450L2D  MDF1500L2D  MDF1550L2D  MDF1600L2D  MDF1650L2D  MDF1700L2D  MDF1750L2D  MDF1800L2D  MDF1850L2D  MDF1900L2D  MDF1950L2D

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 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 1 2 2 2 2 2

2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 1 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 1 2 2 2 2 2 2 2 2 2 1 2 2 2 2 1 2 2 2 2

3.0 3.1 3.2 3.3 3.4 3.5 3.6 3.7 3.8 3.9 4.0 4.1 4.2 4.3 4.4 4.5 4.6 4.7 4.8 4.9 5.0 5.1 5.2 5.3 5.4 5.5 5.6 5.7 5.8 5.9 6.0 6.0 6.1 6.2 6.3 6.4 6.5 6.6 6.7 6.8 6.9

9.0 13.5 30.0 9.3 14.0 31.0 9.6 14.4 32.0 9.9 14.9 33.0 10.2 15.3 34.0 10.5 15.8 35.0 10.8 16.2 36.0 11.1 16.7 37.0 11.4 17.1 38.0 11.7 17.6 39.0 12.0 18.0 40.0 12.3 18.5 41.0 12.6 18.9 42.0 12.9 19.4 43.0 13.2 19.8 44.0 13.5 20.3 45.0 13.8 20.7 46.0 14.1 21.2 47.0 14.4 21.6 48.0 14.7 22.1 49.0 15.0 22.5 50.0 15.3 23.0 51.0 15.6 23.4 52.0 15.9 23.9 53.0 16.2 24.3 54.0 16.5 24.8 55.0 16.8 25.2 56.0 17.1 25.7 57.0 17.4 26.1 58.0 17.7 26.6 59.0

8.6 8.7 8.8 8.9 9.0 9.1 9.2 9.3 9.4 9.5 9.6 9.7 9.8 9.9

25.8 38.7 41.7 26.1 39.2 42.2 26.4 39.6 42.6 26.7 40.1 43.1 27.0 40.5 43.5 27.3 41.0 44.0 27.6 41.4 44.4 27.9 41.9 44.9 28.2 42.3 45.3 28.5 42.8 45.8 28.8 43.2 46.2 29.1 43.7 46.7 29.4 44.1 47.1 29.7 44.6 47.6

2

140

8.0

2

150

2

100

 MDF1000L2D-S8 30.0 45.0 48.0

10.0 10.0 10.1 10.2 10.3 10.4 10.5 10.6 10.7 10.8 10.9 11.0 11.1 11.2 11.3 11.4 11.5 11.6 11.7 11.8 11.9 12.0 12.0 12.5 13.0 13.5 14.0 14.0 14.5 15.0 15.5 16.0 16.0 16.5 17.0 17.5 18.0 18.0 18.5 19.0 19.5 20.0 20.0

6.0

2

30.0 45.0 100.0 150

30.3 45.5 48.5 30.6 45.9 48.9 30.9 46.4 49.4 31.2 46.8 49.8 31.5 47.3 50.3 31.8 47.7 50.7 32.1 48.2 51.2 32.4 48.6 51.6 32.7 49.1 52.1 33.0 49.5 52.5 33.3 50.0 53.0 33.6 50.4 53.4 33.9 50.9 53.9 34.2 51.3 54.3 34.5 51.8 54.8 34.8 52.2 55.2 35.1 52.7 55.7 35.4 53.1 56.1 35.7 53.6 56.6

2

160

2

110

10.0

2  MDF0600L2D-S5 18.0 27.0 30.0 110 5.0 1

2

170

2

18.0 27.0 60.0 110

18.3 27.5 30.5 18.6 27.9 30.9 18.9 28.4 31.4 19.2 28.8 31.8 19.5 29.3 32.3 19.8 29.7 32.7 20.1 30.2 33.2 20.4 30.6 33.6 20.7 31.1 34.1 21.0 31.5 34.5 21.3 32.0 35.0 21.6 32.4 35.4 21.9 32.9 35.9 22.2 33.3 36.3 22.5 33.8 36.8 22.8 34.2 37.2 23.1 34.7 37.7 23.4 35.1 38.1 23.7 35.6 38.6

 MDF1200L2D-S10 36.0 54.0 57.0

2

36.0 54.0 120.0 170

2

120

37.5 56.3 59.3 39.0 58.5 61.5 40.5 60.8 63.8

2

180

12.0

2

190

 MDF1400L2D-S12 42.0 63.0 66.0

2

7.0 7.1 7.2 7.3 7.4 7.5 7.6 7.7 7.8 7.9

42.0 63.0 140.0 190

6.0

43.5 65.3 68.3 45.0 67.5 70.5 46.5 69.8 72.8

2

200

14.0

2

210

 MDF1600L2D-S14 48.0 72.0 75.0

2

48.0 72.0 160.0 210

2

130

49.5 74.3 77.3 51.0 76.5 79.5 52.5 78.8 81.8

2

220

16.0

2

230

 MDF1800L2D-S16 54.0 81.0 84.0

 MDF0800L2D-S6 24.0 36.0 39.0

2

8.0 8.0 8.1 8.2 8.3 8.4 8.5

54.0 81.0 180.0 230

2

24.0 36.0 80.0 130

55.5 83.3 86.3 57.0 85.5 88.5 58.5 87.8 90.8

2

240

18.0

24.3 36.5 39.5 24.6 36.9 39.9 24.9 37.4 40.4 25.2 37.8 40.8 25.5 38.3 41.3

2

8.0

250

 MDF2000L2D-S18 60.0 90.0 93.0

2

140

 MDF2000L2D

60.0 90.0 200.0 250 20.0 1

2

Grade: ACF75

Grade: ACF75

*A prepared hole with the same diameter or centring hole with a larger diameter than the tool is needed for drilling with this tool.

J52

 : Worldwide Warehouse Item

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