SCI 21-22 General Catalog

Super MultiDrills HGS (Internal Coolant Supply)

Carbon Steel/ Alloy Steel up to 0.28%

Carbon Steel/ Alloy Steel from 0.29%

Hardened Steel from 46HRC

Hardened Steel up to 45HRC

Stainless Steel

Tempered Steel

Ductile Cast Iron

Ti Alloy Heat-resistant Steel

Copper Alloy

Cast Iron

Coolant Hole

Coating

*Refer to N74 for the tolerance of h6 and h8 Cut tap reccomendations based on 60-75% full thread. Form tap reccomendations based on 55-70% full thread. Tap Size values should be adjusted according to application.

Steel

Fig. 2 (diameter ø2.5 to 20.0mm 0.098"-0.787", double margin)

LU

PL

LCF

OAL

Diameter ø 6.91 to 7.90mm (0.2720" to 0.3110") Dimensions (inch/ mm )

J

Effective Length LU Flute Length LCF Overall Length OAL Tip PL Shank Dia. DCON Fig

Roll Form Tap Size

Hole Depth (L/D)

Dia. DC Cut Tap Size in. Fraction

Cat. No.

mm

mm

mm

mm

mm

mm

in.

in.

in.

in.

in.

● MDW02720HGS3

7.14 0.2810 2 8.00 0.3150 2 7.14 0.2812 2 8.00 0.3150 2 7.14 0.2812 2 8.00 0.3150 2 7.00 0.2756 2 8.00 0.3150 2 7.00 0.2756 2 8.00 0.3150 2 7.00 0.2756 2 8.00 0.3150 2 7.14 0.2810 2 8.00 0.3150 2 7.14 0.2812 2 8.00 0.3150 2 7.14 0.2812 2 8.00 0.3150 2

24.64 0.9700 36.43 1.4343 89.43 3.5209

3

3 ● MDW02720HGS3S 24.64 0.9700 36.43 1.4343 89.43 3.5209

● MDW02720HGS5

45.64 1.7967 57.43 2.2611 110.43 4.3477

5

6.91 0.2720 I

1.43 0.0563

M8x1.25

5 ● MDW02720HGS5S 45.64 1.7967 57.43 2.2611 110.43 4.3477

● MDW02720HGS8

66.64 2.6235 78.43 3.0878 131.43 5.1745

8 8 3 3 5 5 8

MDW02720HGS8S 66.64 2.6234 78.43 3.0878 131.43 5.1745

● MDW0700HGS3 ● MDW0700HGS3S ● MDW0700HGS5 ● MDW0700HGS5S ● MDW0700HGS8 MDW0700HGS8S ● MDW02770HGS3

25.90 1.0197 36.45 1.4350 89.45 3.5216 25.90 1.0197 36.45 1.4350 89.45 3.5216 46.90 1.8465 57.45 2.2618 110.45 4.3484 46.90 1.8465 57.45 2.2618 110.45 4.3484 67.90 2.6732 78.45 3.0886 131.45 5.1752 67.90 2.6732 78.45 3.0886 131.45 5.1752 24.45 0.9625 36.46 1.4354 89.46 3.5220

7.00 0.2756

1.45 0.0571

5/16-24

3

3 ● MDW02770HGS3S 24.45 0.9625 38.96 1.5338 95.46 3.7582

● MDW02770HGS5

45.45 1.7892 57.46 2.2621 110.46 4.3487

5

7.04 0.2770 J 5/16-24

1.46 0.0574

5 ● MDW02770HGS5S 45.45 1.7892 61.46 2.4196 119.46 4.7031

● MDW02770HGS8

66.45 2.6160 78.46 3.0889 131.46 5.1755

8 8 3 5 8 3

MDW02770HGS8S 66.44 2.6158 83.96 3.3054 143.46 5.6480

● MDW0710HGS3 ● MDW0710HGS5  MDW0710HGS8 ● MDW02812HGS3

28.40 1.1181 38.97 1.5343 95.47 3.7587 50.90 2.0039 61.47 2.4201 119.47 4.7036 73.40 2.8898 83.97 3.3059 143.47 5.6484 24.30 0.9565 36.48 1.4362 89.48 3.5228

2 2 2

7.10 0.2795

1.47 0.0579 8.00 0.3150

M8x1

7.14 0.2812 2 8.00 0.3150 2 7.14 0.2812 2 8.00 0.3150 2 7.14 0.2812 2 8.00 0.3150 2

3 ● MDW02812HGS3S 24.30 0.9565 38.98 1.5346 95.48 3.7590

● MDW02812HGS5

45.29 1.7829 57.48 2.2629 110.48 4.3496

5

7.14 0.2812 9/32 M8x1

1.48 0.0582

5 ● MDW02812HGS5S 45.29 1.7829 61.48 2.4204 119.48 4.7039

● MDW02812HGS8

66.29 2.6097 78.48 3.0897 131.48 5.1763

8 8 3 5 8 3 5 8

MDW02812HGS8S 66.29 2.6098 83.98 3.3062 143.48 5.6488

● MDW0720HGS3 ● MDW0720HGS5  MDW0720HGS8 ● MDW0730HGS3 ● MDW0730HGS5  MDW0730HGS8

28.20 1.1102 38.99 1.5351 95.49 3.7595 50.70 1.9961 61.49 2.4209 119.49 4.7044 73.20 2.8819 83.99 3.3067 143.49 5.6493 28.10 1.1063 39.01 1.5359 95.51 3.7603 50.60 1.9921 61.51 2.4217 119.51 4.7052 73.10 2.8780 84.01 3.3076 143.51 5.6501

2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2

7.20 0.2835

1.49 0.0587 8.00 0.3150

7.30 0.2874

1.51 0.0595 8.00 0.3150

M8x.75 5/16-18

3 ● MDW02900HGS3S 30.20 1.1890 41.57 1.6368 95.57 3.7628 5 ● MDW02900HGS5S 54.20 2.1339 65.57 2.5817 119.57 4.7076

1.60 0.0630 8.00 0.3150

7.37 0.2900 L

M8x.75 5/16-18

● MDW0740HGS3 ● MDW0740HGS5  MDW0740HGS8

27.90 1.0984 39.03 1.5367 95.53 3.7611 50.40 1.9843 61.53 2.4225 119.53 4.7060 72.90 2.8701 84.03 3.3084 143.53 5.6509

3 5 8

7.40 0.2913

1.53 0.0603 8.00 0.3150

5/16-18

3 ● MDW02950HGS3S 25.00 0.9843 39.05 1.5374 95.55 3.7619 5 ● MDW02950HGS5S 40.00 1.5748 61.55 2.4233 119.55 4.7067

7.49 0.2950 M

1.55 0.0610 8.00 0.3150

5/16-24 / M8x1.25

● MDW0750HGS3 ● MDW0750HGS5 ● MDW0750HGS8 ● MDW02969HGS3

27.90 1.0984 39.05 1.5375 95.55 3.7619 50.40 1.9843 61.55 2.4234 119.55 4.7068 72.90 2.8701 84.05 3.3092 143.55 5.6517 28.69 1.1295 41.56 1.6363 95.56 3.7623

3 5 8 3

7.50 0.2953

1.55 0.0612 8.00 0.3150

7.94 0.3130 2 8.00 0.3150 2 7.94 0.3125 2 8.00 0.3150 2 7.94 0.3125 2 8.00 0.3150 2

3 ● MDW02969HGS3S 28.69 1.1295 41.56 1.6363 95.56 3.7623

● MDW02969HGS5

52.69 2.0744 65.56 2.5812 119.56 4.7071

5

7.54 0.2969 19/64

1.56 0.0615

M8x1

5 ● MDW02969HGS5S 52.69 2.0744 65.56 2.5812 119.56 4.7071

● MDW02969HGS8

76.69 3.0193 89.56 3.5260 143.56 5.6520

8 8 3 5 8 3 5 8 3 5 8 3 5 8

MDW02969HGS8S 76.69 3.0193 89.56 3.5260 143.56 5.6520

● MDW0760HGS3 ● MDW0760HGS5  MDW0760HGS8

30.20 1.1890 41.57 1.6368 95.57 3.7628 54.20 2.1339 65.57 2.5817 119.57 4.7076 78.20 3.0787 89.57 3.5265 143.57 5.6525

2 2 2 2 2 2 2 2 2 2 2 2 2 2

7.60 0.2992

1.57 0.0620 8.00 0.3150

3 ● MDW03020HGS3S 26.67 1.0499 41.59 1.6373 95.59 3.7633 5 ● MDW03020HGS5S 42.67 1.6798 65.59 2.5822 119.59 4.7082

7.67 0.3020 N

1.59 0.0625 8.00 0.3150

M8x.75

● MDW0770HGS3 ● MDW0770HGS5  MDW0770HGS8 ● MDW0780HGS3 ● MDW0780HGS5  MDW0780HGS8 ● MDW0790HGS3 ● MDW0790HGS5  MDW0790HGS8

30.10 1.1850 41.59 1.6376 95.59 3.7636 54.10 2.1299 65.59 2.5825 119.59 4.7085 78.10 3.0748 89.59 3.5274 143.59 5.6533 29.90 1.1772 41.62 1.6384 95.62 3.7644 53.90 2.1220 65.62 2.5833 119.62 4.7093 77.90 3.0669 89.62 3.5282 143.62 5.6542 29.80 1.1732 41.64 1.6392 95.64 3.7652 53.80 2.1181 65.64 2.5841 119.64 4.7101 77.80 3.0630 89.64 3.5290 143.64 5.6550

7.70 0.3031

1.59 0.0628 8.00 0.3150

M8x.75

7.80 0.3071

1.62 0.0636 8.00 0.3150

7.90 0.3110

1.64 0.0644 8.00 0.3150

J24

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