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 7.94 to 8.60 (.3125” to .3386”) 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.
● MDW03125HGS3
28.09 1.1060 41.64 1.6395 95.64 3.7655
7.94 0.3125 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
3 ● MDW03125HGS3S 28.09 1.1060 41.64 1.6395 95.64 3.7655
● MDW03125HGS5
52.09 2.0510 65.64 2.5844 119.64 4.7104
5
7.94 0.3125 5/16
1.64 0.0647
5 ● MDW03125HGS5S 52.09 2.0510 65.64 2.5844 119.64 4.7104
● MDW03125HGS8
76.09 2.9959 89.64 3.5293 143.64 5.6553
8 8 3 5 8 3 3 5 5 5 8 3 3 5 5 8 8 3
MDW03125HGS8S 76.09 2.9957 89.64 3.5293 143.64 5.6553
● MDW0800HGS3 ● MDW0800HGS5 ● MDW0800HGS8 ● MDW0810HGS3 ● MDW0810HGS3S ● MDW0810HGS5 ● MDW0810HGS5S MDW0810HGS8 MDW0810HGS8S ● MDW0820HGS3 ● MDW0820HGS3S ● MDW0820HGS5 ● MDW0820HGS5S MDW0820HGS8 MDW0820HGS8S ● MDW03230HGS3
29.70 1.1693 41.66 1.6400 95.66 3.7660 53.70 2.1142 65.66 2.5849 119.66 4.7109 77.70 3.0591 89.66 3.5298 143.66 5.6558 32.10 1.2638 44.18 1.7393 101.68 4.0031 32.10 1.2638 44.18 1.7393 101.68 4.0031 57.60 2.2677 69.68 2.7432 128.68 5.0660 57.60 2.2677 69.68 2.7432 128.68 5.0660 83.10 3.2717 95.18 3.7471 155.68 6.1290 81.35 3.2027 95.18 3.7471 155.68 6.1290 31.90 1.2559 44.20 1.7401 101.70 4.0039 31.90 1.2559 44.20 1.7401 101.70 4.0039 57.40 2.2598 69.70 2.7440 128.70 5.0669 57.40 2.2598 69.70 2.7440 128.70 5.0669 82.90 3.2638 95.20 3.7480 155.70 6.1299 82.90 3.2638 95.20 3.7480 155.70 6.1299 30.19 1.1885 44.20 1.7401 101.70 4.0039
2 2 2
1.66 0.0652 8.00 0.3150
8.00 0.3150
9.00 0.3543 2 10.00 0.3937 2 9.00 0.3543 2 10.00 0.3937 2 9.00 0.3543 2 10.00 0.3937 2 9.00 0.3543 2 10.00 0.3937 2 9.00 0.3543 2 10.00 0.3937 2 9.00 0.3543 2 10.00 0.3937 2 9.13 0.3594 2 10.00 0.3937 2 9.13 0.3594 2 10.00 0.3937 2 9.13 0.3594 2 10.00 0.3937 2 9.00 0.3543 2 10.00 0.3937 2 9.00 0.3543 2 10.00 0.3937 2 9.00 0.3543 2 10.00 0.3937 2 9.13 0.3594 2 10.00 0.3937 2 9.13 0.3594 2 10.00 0.3937 2 9.13 0.3594 2 10.00 0.3937 2 9.00 0.3543 2 10.00 0.3937 2 9.00 0.3543 2 10.00 0.3937 2 9.00 0.3543 2 10.00 0.3937 2 9.13 0.3594 2 10.00 0.3937 2 9.13 0.3594 2 10.00 0.3937 2 9.13 0.3594 2 10.00 0.3937 2 9.00 0.3543 2 10.00 0.3937 2 9.00 0.3543 2 10.00 0.3937 2 9.00 0.3543 2 10.00 0.3937 2 9.00 0.3543 2 10.00 0.3937 2 9.00 0.3543 2 10.00 0.3937 2 9.00 0.3543 2 10.00 0.3937 2
8.10 0.3189
1.68 0.0660
8.20 0.3228
1.70 0.0669
3 ● MDW03230HGS3S 30.19 1.1885 44.20 1.7401 101.70 4.0039
● MDW03230HGS5
55.69 2.1927 69.70 2.7440 128.70 5.0669
5
8.21 0.3230 P 3/8-16
1.70 0.0669
5 ● MDW03230HGS5S 55.69 2.1927 69.70 2.7440 128.70 5.0669
● MDW03230HGS8
81.19 3.1966 95.20 3.7480 155.70 6.1299
8 8 3 3 5 5 8 8 3
MDW03230HGS8S 81.19 3.1966 95.20 3.7480 155.70 6.1299
● MDW0830HGS3 ● MDW0830HGS3S ● MDW0830HGS5 ● MDW0830HGS5S MDW0830HGS8 MDW0830HGS8S ● MDW03281HGS3
31.80 1.2520 44.22 1.7409 101.72 4.0047 31.80 1.2520 44.22 1.7409 101.72 4.0047 57.30 2.2559 69.72 2.7448 128.72 5.0677 57.30 2.2559 69.72 2.7448 128.72 5.0677 82.80 3.2598 95.22 3.7488 155.72 6.1307 82.80 3.2598 95.22 3.7488 155.72 6.1307 30.00 1.1810 44.23 1.7411 101.73 4.0049
8.30 0.3268
1.72 0.0677
3 ● MDW03281HGS3S 30.00 1.1810 44.23 1.7411 101.73 4.0049
● MDW03281HGS5
55.50 2.1851 69.73 2.7451 128.73 5.0679
5
8.33 0.3281 21/64
1.73 0.0680
5 ● MDW03281HGS5S 55.50 2.1851 69.73 2.7451 128.73 5.0679
● MDW03281HGS8
81.00 3.1890 95.23 3.7490 155.73 6.1309
8 8 3 3 5 5 8 8 3
MDW03281HGS8S 81.00 3.1892 95.23 3.7490 155.73 6.1309
● MDW0840HGS3 ● MDW0840HGS3S ● MDW0840HGS5 ● MDW0840HGS5S MDW0840HGS8 MDW0840HGS8S ● MDW03320HGS3
31.60 1.2441 44.24 1.7417 101.74 4.0055 31.60 1.2441 44.24 1.7417 101.74 4.0055 57.10 2.2480 69.74 2.7457 128.74 5.0685 57.10 2.2480 69.74 2.7457 128.74 5.0685 82.60 3.2520 95.24 3.7496 155.74 6.1315 82.60 3.2520 95.24 3.7496 155.74 6.1315 29.85 1.1750 44.25 1.7420 101.75 4.0057
8.40 0.3307
1.74 0.0685
3 ● MDW03320HGS3S 29.85 1.1750 44.25 1.7420 101.75 4.0057
● MDW03320HGS5
55.35 2.1792 69.75 2.7459 128.75 5.0687
5
8.43 0.3320 Q
1.75 0.0688
5 ● MDW03320HGS5S 55.35 2.1792 69.75 2.7459 128.75 5.0687
● MDW03320HGS8
80.85 3.1831 95.25 3.7498 155.75 6.1317
8 8 3 3 5 5 8 8 3 3 5 5 8 8
MDW03320HGS8S 80.85 3.1833 95.25 3.7498 155.75 6.1317
● MDW0850HGS3 ● MDW0850HGS3S ● MDW0850HGS5 ● MDW0850HGS5S ● MDW0850HGS8 MDW0850HGS8S ● MDW0860HGS3 ● MDW0860HGS3S ● MDW0860HGS5 ● MDW0860HGS5S MDW0860HGS8 MDW0860HGS8S
31.60 1.2441 44.26 1.7425 101.76 4.0063 31.60 1.2441 44.26 1.7425 101.76 4.0063 57.10 2.2480 69.76 2.7465 128.76 5.0693 57.10 2.2480 69.76 2.7465 128.76 5.0693 82.60 3.2520 95.26 3.7504 155.76 6.1323 82.60 3.2520 95.26 3.7504 155.76 6.1323 33.90 1.3346 46.78 1.8418 101.78 4.0071 33.90 1.3346 46.78 1.8418 101.78 4.0071 60.90 2.3976 73.78 2.9048 128.78 5.0701 60.90 2.3976 73.78 2.9048 128.78 5.0701 87.90 3.4606 100.78 3.9678 155.78 6.1331 87.90 3.4606 100.78 3.9678 155.78 6.1331
8.50 0.3346
1.76 0.0693
3/8-24 / M10x1.5
8.60 0.3386
1.78 0.0701
J25
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