DLC Coating Drills 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 ø15.20 to 16.00mm (0.5984" to 0.6299") 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.
MDW1520NHGS3 MDW1520NHGS5 MDW1530NHGS3 MDW1530NHGS5 MDW1540NHGS3 MDW1540NHGS5 l MDW1550NHGS3 l MDW1550NHGS5 MDW1560NHGS3 MDW1560NHGS5 MDW1570NHGS3 MDW1570NHGS5
57.80 2.2756 80.60 3.1732 149.10 5.8701 104.30 4.1063 127.10 5.0039 197.10 7.7598
3 5
3.10 0.1220 16.00 0.6299 1 1
15.20 0.5984
5/8-18
MDW1520NHGS10 197.30 7.7677 220.10 8.6654 293.10 11.5394
2
10
57.70 2.2717 80.70 3.1772 149.20 5.8740 104.20 4.1024 127.20 5.0079 197.20 7.7638
3.20 0.1260 16.00 0.6299 1 1
3 5
15.30 0.6024
5/8-18
MDW1530NHGS10 197.20 7.7638 220.20 8.6693 293.20 11.5433
2
10
57.60 2.2677 80.70 3.1772 149.20 5.8740 104.10 4.0984 127.20 5.0079 197.20 7.7638
3 5
3.20 0.1260 16.00 0.6299 1 1
15.40 0.6063
M16x1.5
MDW1540NHGS10 197.10 7.7598 220.20 8.6693 293.20 11.5433
2
10
57.50 2.2638 80.70 3.1772 149.20 5.8740 104.00 4.0945 127.20 5.0079 197.20 7.7638
3.20 0.1260 16.00 0.6299 1 1
3 5
15.50 0.6102
MDW1550NHGS10 197.00 7.7559 220.20 8.6693 293.20 11.5433
2
10
59.80 2.3543 83.20 3.2756 149.20 5.8740 107.80 4.2441 131.20 5.1654 197.20 7.7638
3.20 0.1260 16.00 0.6299 1 1
3 5
15.60 0.6142
MDW1560NHGS10 203.80 8.0236 227.20 8.9449 293.20 11.5433
2
10
59.70 2.3504 83.30 3.2795 149.30 5.8780 107.70 4.2402 131.30 5.1693 197.30 7.7677
3.30 0.1299 16.00 0.6299 1 1
3 5
15.70 0.6181
M18x2.5
MDW1570NHGS10 203.70 8.0197 227.30 8.9488 293.30 11.5472
2
10
MDW1580NHGS3 MDW1580NHGS5
59.60 2.3465 83.30 3.2795 149.30 5.8780 107.60 4.2362 131.30 5.1693 197.30 7.7677
3.30 0.1299 16.00 0.6299 1 1
3 5
15.80 0.6220
M18x2.5
MDW1580NHGS10 203.60 8.0157 227.30 8.9488 293.30 11.5472
2
10
3 l MDW06250NHGS3S 59.48 2.3419 83.30 3.2794 149.28 5.8770 5 l MDW06250NHGS5S 107.46 4.2309 131.28 5.1684 197.28 7.7670
3.29 0.1294 16.00 0.6299 1 3.30 0.1299 16.00 0.6299 1 1 1
15.88 0.6250
M18x2.5
MDW1590NHGS3 MDW1590NHGS5
59.40 2.3386 83.30 3.2795 149.30 5.8780 107.40 4.2283 131.30 5.1693 197.30 7.7677
3 5
15.90 0.6260
M18x2.5
MDW1590NHGS10 203.40 8.0079 227.30 8.9488 293.30 11.5472
2
10
l MDW1600NHGS3 l MDW1600NHGS5
59.30 2.3346 83.30 3.2795 149.30 5.8780 107.30 4.2244 131.30 5.1693 197.30 7.7677
3.30 0.1299 16.00 0.6299 1 1
3 5
16.00 0.6299
MDW1600NHGS10 203.30 8.0039 227.30 8.9488 293.30 11.5472
2
10
Grade: DL1300
l : USA Stock Item
Recommended Cutting Conditions
( v c : Cutting Speed (SFM), f : Feed Rate (IPR))
Cutting Conditions
Aluminum alloy castings/ aluminum alloy die castings
Wrought Aluminum Alloy
Dia. DC
v c
260 - 720
260 - 720
Up to 0.2188"/ 6 mm
f
0.008" - 0.024"
0.008" - 0.016"
v c
330 - 900
330 - 820
Up to 0.375"/ 10 mm
f
0.016" - 0.032"
0.008" - 0.020"
v c
400 - 900
400 - 820
Up to 0.625"/ 16 mm
f
0.016" - 0.040"
0.012" - 0.024" Min. - Max.
Contact Sumitomo Engineering Department for further questions.
J88
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