Deep Hole Drilling XHV / PHV (Internal 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
Cast Iron
Coolant Hole
Coating
Steel
Fig. 1 (PHV Type)
Fig. 2 (XHV Type)
LU
PL
LU
PL
LCF
LCF
OAL
OAL
Diameter ø0.125" to 0.332"
Diameter ø0.344" to 0.750"
Dimensions (inch)
Dimensions (inch)
Dia. DC
Hole Depth (L/D)
Effective Length LU
Flute Length LCF
Overall Length OAL
Shank Dia. DCON
Dia. DC
Hole Depth (L/D)
Effective Length LU
Flute Length LCF
Overall Length OAL
Shank Dia. DCON
J
Fraction
Cat. No.
Fig
Fraction
Cat. No.
Fig
3 ● MDW01250PHV
3 ● MDW03438PHV
0.516 0.703 2.672
1 2 2 1 2 2 1 2 2 1 2 2 1 2 2 1 2 2 1 2 2 1 2 2 1 2 2 1 2 2 1 2 2 1 2 2 1 2 2 1 2 2 1 2 2
1.250 1.766 3.938 1 12 ● MDW3438XHV12 5.433 5.551 7.677 0.394 2 20 ● MDW3438XHV20 8.661 8.779 10.905 2 3 ● MDW03594PHV 1 12 ● MDW3594XHV12 5.433 5.551 7.677 0.394 2 20 ● MDW3594XHV20 8.661 8.779 10.905 2 1.228 1.766 3.938
12 ● MDW1250XHV12 1.772 1.890 3.780 20 ● MDW1250XHV20 2.834 2.952 4.842 12 ● MDW1406XHV12 2.126 2.244 4.134 20 ● MDW1406XHV20 3.464 3.582 5.472 3 ● MDW01406PHV 0.680 0.891 2.828 12 ● MDW1563XHV12 2.362 2.480 4.370 20 ● MDW1563XHV20 3.464 3.582 5.472 12 ● MDW1719XHV12 2.520 2.638 4.607 20 ● MDW1719XHV20 4.331 4.449 6.418 3 ● MDW01563PHV 0.657 0.891 2.828 3 ● MDW01719PHV 0.726 1.078 3.156 12 ● MDW1875XHV12 3.071 3.189 5.158 20 ● MDW1875XHV25 4.527 4.645 6.614 12 ● MDW2031XHV12 3.071 3.189 5.158 20 ● MDW2031XHV25 4.527 4.645 6.614 3 ● MDW02031PHV 0.774 1.078 3.234 12 ● MDW2131XHV12 3.071 3.189 5.158 20 ● MDW2131XHV20 5.433 5.551 7.520 12 ● MDW2187XHV12 3.346 3.465 5.433 20 ● MDW2187XHV20 5.433 5.551 7.520 3 ● MDW01875PHV 0.796 1.078 3.156 3 ● MDW02131PHV 0.759 1.078 3.234 3 ● MDW02187PHV 0.750 1.078 3.234 12 ● MDW2500XHV12 3.937 4.055 6.102 20 ● MDW2500XHV20 5.748 5.866 7.913 12 ● MDW2570XHV12 3.937 4.055 6.102 20 ● MDW2570XHV20 5.748 5.866 7.913 3 ● MDW02570PHV 0.990 1.375 3.469 12 ● MDW2656XHV12 3.937 4.055 6.102 20 ● MDW2656XHV20 5.748 5.866 7.913 12 ● MDW2813XHV12 4.331 4.449 6.496 20 ● MDW2813XHV20 6.929 7.047 9.094 3 ● MDW02656PHV 0.976 1.375 3.469 3 ● MDW02813PHV 1.063 1.484 3.703 12 ● MDW2969XHV12 4.331 4.449 6.496 20 ● MDW2969XHV20 6.929 7.047 9.094 12 ● MDW3125XHV12 4.331 4.449 6.496 20 ● MDW3125XHV20 6.929 7.047 9.094 3 ● MDW03125PHV 1.109 1.578 3.703 3 ● MDW02500PHV 0.906 1.281 3.469 3 ● MDW02969PHV 1.029 1.484 3.703
0.157
0.125 1/8
0.344 11/32”
0.157
0.141 9/64
0.359 23/64”
3 ● MDW03750PHV
1 2 2
1.313 1.875 4.172
12 ● MDW3750XHV12 5.433 5.551 7.677 20 ● MDW3750XHV20 8.661 8.779 10.905
0.156 5/32
0.157
0.375 3/8”
0.394
3 ● MDW03906PHV
1.383 1.969 4.172 1 12 ● MDW3906XHV12 5.433 5.551 7.677 0.394 2 20 ● MDW3906XHV20 8.661 8.779 10.905 2
0.236
0.172 13/64
0.391 25/64”
3 ● MDW04063PHV
1.438 2.047 4.563
1 2 2 1 2 2 1 2 2 1 2 2 1 2 2 1 2 2
12 ● MDW4063XHV12 6.220 6.339 8.543 20 ● MDW4063XHV20 10.394 10.508 12.713 12 ● MDW4219XHV12 6.220 6.339 8.543 20 ● MDW4219XHV20 10.394 10.508 12.713 3 ● MDW04219PHV 1.539 2.172 4.563 12 ● MDW4375XHV12 6.220 6.339 8.543 20 ● MDW4375XHV20 10.394 10.508 12.713 12 ● MDW4531XHV12 6.220 6.339 8.543 20 ● MDW4531XHV20 10.394 10.508 12.713 3 ● MDW04375PHV 1.517 2.172 4.563 3 ● MDW04531PHV 1.602 2.281 4.813 12 ● MDW4688XHV12 6.220 6.339 8.543 20 ● MDW4688XHV20 10.394 10.508 12.713 12 ● MDW4844XHV12 7.165 7.283 9.566 20 ● MDW4844XHV20 12.126 12.238 14.521 3 ● MDW04844PHV 1.743 2.469 5.032 3 ● MDW04688PHV 1.656 2.359 4.813
0.236
0.188 3/16
0.406 13/32
0.472
0.236
0.203 13/64
0.472
0.422 27/64
0.236
0.213 #3
0.472
0.437 7/16
0.236
0.219 7/32
0.453 29/64
0.472
0.315
0.250 1/4
0.472
0.469 15/32
0.315
0.257 #F
0.551
0.484 31/64
3 ● MDW05000PHV
1.812 2.562 5.032 1 12 ● MDW5000XHV12 7.165 7.283 9.566 0.551 2 20 ● MDW5000XHV20 12.126 12.238 14.521 2 3 ● MDW05312PHV 1 12 ● MDW5312XHV12 7.165 7.283 9.566 0.551 2 20 ● MDW5312XHV20 12.126 12.238 14.521 2 1.860 2.656 5.281
0.315
0.266 17/64
0.500 1/2
0.315
0.281 9/32
0.531 17/32
3 ● MDW05625PHV
1 2 1 2 1 2
2.016 2.859 5.516
0.562 9/16
0.630
12 ● MDW5625XHV12 8.189 8.307 10.669
0.315
0.297 19/64
3 ● MDW06250PHV
2.219 3.156 5.750
0.625 5/8
0.630
12 ● MDW6250XHV12 8.189 8.307 10.669
3 ● MDW07500PHV
0.315
0.313 5/16
2.625 3.750 6.453
0.787
0.750 3/4
12 ● MDW7500XHV12 10.157 10.268 12.709
0.328 21/64 3 ● MDW03281PHV
1.180 1.672 3.938 0.394 1
● : USA Stocked Item
3 ● MDW03320PHV
1.174 1.672 3.938
12 ● MDW3320XHV12 5.433 5.551 7.677 20 ● MDW3320XHV20 8.661 8.779 10.905
0.394
0.332 #Q
Tolerance of Diameters
øD
Tolerance
Part Number Suffix PHV: For Guide Hole
-.00080 -.00145 -.00080 -.00165 -.00080 -.00185
.1181 < øD < .2362 .2362 < øD < .3937 .3937 < øD < .7087
Recommended Cutting Conditions Vc= SFM / m/min f= IPR / mm/rev
General Steel (>300HB) 165~330 / 50~100
Hardened Steel (>45HrC) Stainless Steel (>200HB)
Gray Cast Iron
Ductile Iron
~ø.125 in 130~260 / 40~80 f 0.003~0.006 / 0.08~0.15 0.002~0.003 / 0.06~0.05 0.002~0.005 / 0.06~0.12 0.006~0.010 / 0.15~0.25 0.005~0.008 / 0.12~0.20 ø.125 ~ ø.203" Vc 260~395 / 80~120 65~130 / 20~40 100~195 / 30~60 165~295 / 50~90 130~260 / 40~80 f 0.006~0.010 / 0.15~0.25 0.003~0.004 / 0.08~0.10 0.003~0.006 / 0.08~0.15 0.006~0.012 / 0.15~0.30 0.006~0.010 / 0.15~0.25 ø.203 ~ ø.406" Vc 260~395 / 80~120 65~130 / 20~40 130~260/ 40~80 195~330 / 60~100 165~295 / 50~90 f 0.008~0.014 / 0.20~0.35 0.004~0.006 / 0.10~0.15 0.004~0.008 / 0.10~0.20 0.008~0.014 / 0.20~0.35 0.008~0.014 / 0.20~0.35 Vc 65~130 / 20~40 100~165 / 30~50 165~295 / 50~90
Vc 195~330 / 60~100 f 0.010~0.014 / 0.25~0.35 0.004~0.006 / 0.10~0.15 0.004~0.008 / 0.10~0.20 0.010~0.014 / 0.25~0.35 0.010~0.014 / 0.25~0.35 260~425 / 80~130 65~130 / 20~40 165~260/ 50~80 230~395/ 70~120
ø.406 ~ ø0.625"
J78
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