Sumitomo General Catalog 2025-2026

DLC Coating Drilling NHGS Series (Internal Coolant Supply)

Aluminum Alloy

Copper Alloy

Coolant Hole

Aurora Coat

*Refer to N74 for the tolerance of h6

Steel

Fig. 1 (NHGS3/5 Type, ø3.0 to 16.0mm)

Fig. 2 (NHGS10 Type, ø3.0 to 16.0mm)

LU

LU

PL

PL

LCF

LCF

OAL

OAL

J

Diameter ø5.90 to 7.35mm (0.2323" to 0.2894") Dimensions ( mm /inch) Dia.DC Cut Tap Size Roll Form Tap Size Hole Depth (L/D) Cat. No. mm in. Fraction mm

Effective Length LU Flute Length LCF Overall Length OAL

Tip PL Shank Dia DCON

Fig

mm

mm

mm

mm

in.

in.

in.

in.

in.

 MDW0590NHGS3 l MDW0590NHGS5 MDW0590NHGS10 l MDW0600NHGS3 l MDW0600NHGS5 l MDW0600NHGS10 MDW0610NHGS3  MDW0610NHGS5 MDW0620NHGS3 l MDW0620NHGS5 MDW0620NHGS10 MDW0630NHGS3 l MDW0630NHGS5 MDW0630NHGS10 MDW0640NHGS3 l MDW0640NHGS5 MDW0640NHGS10 l MDW0650NHGS3  MDW0650NHGS5 l MDW0650NHGS10 MDW0660NHGS3 l MDW0660NHGS5 MDW0660NHGS10 l MDW0670NHGS3 l MDW0670NHGS5 l MDW0670NHGS10 l MDW0680NHGS3 l MDW0680NHGS5 l MDW0680NHGS10 MDW0690NHGS3 l MDW0690NHGS5 MDW0690NHGS10  MDW0700NHGS3  MDW0700NHGS5 l MDW0700NHGS10 MDW0710NHGS3 l MDW0710NHGS5 MDW0710NHGS10 MDW0720NHGS3 l MDW0720NHGS5 l MDW0720NHGS10 MDW0730NHGS3 l MDW0730NHGS5 MDW0730NHGS10 l MDW0735NHGS3 l MDW0735NHGS5 MDW0735NHGS10

22.40 0.8819 31.20 1.2283 83.20 3.2756 40.40 1.5906 49.20 1.9370 101.20 3.9843 76.40 3.0079 85.20 3.3543 137.20 5.4016 22.20 0.8740 31.20 1.2283 83.20 3.2756 40.20 1.5827 49.20 1.9370 101.20 3.9843 76.20 3.0000 85.20 3.3543 137.20 5.4016 24.60 0.9685 33.80 1.3307 89.30 3.5157 44.10 1.7362 53.30 2.0984 110.30 4.3425 83.10 3.2717 92.30 3.6339 152.30 5.9961 24.50 0.9646 33.80 1.3307 89.30 3.5157 44.00 1.7323 53.30 2.0984 110.30 4.3425 83.00 3.2677 92.30 3.6339 152.30 5.9961 24.40 0.9606 33.80 1.3307 89.30 3.5157 43.90 1.7283 53.30 2.0984 110.30 4.3425 82.90 3.2638 92.30 3.6339 152.30 5.9961

3

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

5.90 0.2323

1.20 0.0472 6.00 0.2362

1/4-20 5

10

3

6.00 0.2362

1.20 0.0472 6.00 0.2362

1/4/28 5

10

3 5

6.10 0.2402

1.30 0.0512 7.00 0.2756

M7x1

10  MDW0610NHGS10

3 5

6.20 0.2441

1.30 0.0512 7.00 0.2756

10

3 5

6.30 0.2480

1.30 0.0512 7.00 0.2756

10

3 l MDW02500NHGS3S 24.30 0.9568 33.83 1.3318 89.31 3.5160 5 l MDW02500NHGS5S 43.78 1.7238 53.31 2.0988 110.31 4.3430

6.35 0.2500 1/4

1.32 0.0518 8.00 0.3150

24.20 0.9528 33.80 1.3307 89.30 3.5157 43.70 1.7205 53.30 2.0984 110.30 4.3425 82.70 3.2559 92.30 3.6339 152.30 5.9961 24.10 0.9488 33.80 1.3307 89.30 3.5157 43.60 1.7165 53.30 2.0984 110.30 4.3425 82.60 3.2520 92.30 3.6339 152.30 5.9961 26.50 1.0433 36.40 1.4331 89.40 3.5197 47.50 1.8701 57.40 2.2598 110.40 4.3465 89.50 3.5236 99.40 3.9134 152.40 6.0000 26.30 1.0354 36.40 1.4331 89.40 3.5197 47.30 1.8622 57.40 2.2598 110.40 4.3465 89.30 3.5157 99.40 3.9134 152.40 6.0000 26.20 1.0315 36.40 1.4331 89.40 3.5197 47.20 1.8583 57.40 2.2598 110.40 4.3465 89.20 3.5118 99.40 3.9134 152.40 6.0000 26.10 1.0276 36.40 1.4331 89.40 3.5197 47.10 1.8543 57.40 2.2598 110.40 4.3465 89.10 3.5079 99.40 3.9134 152.40 6.0000 25.90 1.0197 36.40 1.4331 89.40 3.5197 46.90 1.8465 57.40 2.2598 110.40 4.3465 88.90 3.5000 99.40 3.9134 152.40 6.0000 28.30 1.1142 39.00 1.5354 95.50 3.7598 50.80 2.0000 61.50 2.4213 119.50 4.7047 95.80 3.7717 106.50 4.1929 167.50 6.5945

3 5

6.40 0.2520

1.30 0.0512 7.00 0.2756

10

3 5

6.50 0.2559

1.30 0.0512 7.00 0.2756

10

3 5

6.60 0.2598

1.40 0.0551 7.00 0.2756

5/16-18 M7x1

10

3 5

6.70 0.2638

1.40 0.0551 7.00 0.2756

10

3 5

6.80 0.2677

1.40 0.0551 7.00 0.2756

10

3 5

1.40 0.0551 7.00 0.2756

6.90 0.2717

M8x1.25

10

3 5

1.40 0.0551 7.00 0.2756

7.00 0.2756

5/16-24

10

3 5

1.50 0.0591 8.00 0.3150

7.10 0.2795

M8x1

10

3 l MDW02812NHGS3S 28.25 1.1124 38.97 1.5342 95.48 3.7590 5 l MDW02812NHGS5S 50.76 1.9984 61.47 2.4202 119.48 4.7040

1.48 0.0582 8.00 0.3150

7.14 0.2812 9/32 M8x1

28.20 1.1102 39.00 1.5354 95.50 3.7598 50.70 1.9961 61.50 2.4213 119.50 4.7047 95.70 3.7677 106.50 4.1929 167.50 6.5945 28.10 1.1063 39.00 1.5354 95.50 3.7598 50.60 1.9921 61.50 2.4213 119.50 4.7047 95.60 3.7638 106.50 4.1929 167.50 6.5945 28.00 1.1024 39.00 1.5354 95.50 3.7598 50.50 1.9882 61.50 2.4213 119.50 4.7047 95.50 3.7598 106.50 4.1929 167.50 6.5945

3 5

1.50 0.0591 8.00 0.3150

7.20 0.2835

10

3 5

1.50 0.0591 8.00 0.3150

7.30 0.2874

M8x.75 5/16-18

10

3 5

1.50 0.0591 8.00 0.3150

7.35 0.2894

10

Grade: DL1300

J82

l : USA Stock Item

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