A

TOOL NEWS

MFE

B233A

New

Inch

Product

Solid Carbide Flat Bottom Drills

High Efficiency Drilling in Various Types of Machining

1

MFEHigh Efficiency Drilling in Various Types of Machining

Solid Carbide Flat Bottom Drills

High efficiency counter boring in various types of machining is achieved with excellent chipping resistance.

Low cutting force provides less burr.Excellent performance in correction of eccentric hole and cast hole due to high position accuracy.

Spot Facing and Pilot DrillingAngled Surface Offset Circular Surface Shoulder

Drilling ReformThin Plate Intersecting Hole Eccentric Hole and Cast Hole

2

MFE

00

-15748

-7874

0

7874

15748(µ-inch)

ø .008 ø .008

-7874 7874

-7874

7874

(µ-inch)

-15748

-15748

-15748 15748

15748

165 SFM .0028 IPR

165 SFM .0060 IPR

3937

Features

Combination of different radius sizes provides strong cutting edge and excellent chip control.

Gash land (0 degree rake) provides excellent chipping resistance.

Smooth surface clearance provides reduced deflection and excellent position accuracy.

New thinning provides excellent chip evacuation.

Excellent Chip Control

Gash Land for Stronger Corner

Smooth Surface for Clearance

New “Z” Thinning with Lower Thrust Force

<Cutting Conditions>Work Material : AISI 1050Cutting Speed vc : 165 SFMFeed Rate fr : .0028 IPR

Conventional

AISI 1050 45° angled surface DC×2

Small R

Big R

3

DP1020

0

50

100

150

200

250

300

MFE

Long Tool Life with Stable Cutting

Newly-developed coating for drills provides excellent wear resistance with low friction property, resulting in excellent versatility and extended tool life.

Coated Grade DP1020

Oxi

datio

n Te

mpe

ratu

re (º

F)

Hardness (Hv)

Thru

st ( N

)

Multi-layer accumulated Al-Ti-Cr-N based PVD coating

Conventional

.236

"

.118"

Cutting Performance

Thrust Force Comparison in Shoulder Drilling

25% Lower cutting

resistance

Conventional

2192

2012

1832

1652

1472

12922750 2800 2900 2950

4

0 20 40 60

MFE

MFE

.472

".4

72"

No. of HolesTool Overhang : 1.260"

Tool Overhang : 1.260"

.354" from a center of the drill

.354" from a center of the drill

MFE After 50 holes machining

No. of Holes : Comparison of the cutting edge after 200 holes machining.

Chipping

Welding

Welding

Chipping

Conventional After 25 holes machining

Conventional

Conventional A

Conventional B

<Cutting Conditions>Drill : MFE0600X02S060 Work Material : AISI 304Hole Depth : .472" (l=DC×2)Cutting Speed vc : 115 SFMFeed Rate fr : .0010 IPRCutting Mode : Water Based (External Coolant)Machine : Machining Center (BT50)

<Cutting Conditions>Drill : MFE0600X02S060 Work Material : AISI 1045Hole Depth : .472" (l=DC×2)Cutting Speed vc : 165 SFMFeed Rate fr : .0028 IPRCutting Mode : Water Based (External Coolant)

Comparison of Fracture Resistance in AISI 304

Comparison of Machining for Angled Surface with 45° Angle in AISI 1045

Achieved double tool life compared to conventional products because of the outstanding fracture resistance properties.

Controlled abnormal fracturing because of the excellent welding resistance properties.

Twice tool life

5

0 50 100 150 200

MFE

1.142"

.394"

.571"

Solid Carbide Flat Bottom Drills

Conventional (Point Angle = 140°)

MFE (Point Angle = 180°)

vc = 165 SFMfr = .0020 IPR

vc = 260 SFMfr = .0059 IPR

MFE 132 holes

Conventional A

Conventional A 88 holes

Conventional B

Conventional B 132 holes

Cutting ModeDrilling of ø.571" in groove with a width of .394"

No. of Holes

<Cutting Conditions>Drill : MFE1450X02S160 Work Material : AISI 1050Hole Depth : .945"Cutting Speed vc : 115 SFMFeed Rate fr : .0010 IPRCutting Mode : Water Based (External Coolant)Machine : Machining Center (BT50)

<Cutting Conditions>Drill : MFE0600X02S060Work Material : AISI 4140Hole Depth : .394" (Thin Plate)Cutting Mode : Water Based (External Coolant)Machine : Machining Center (BT40)

Comparison of Fracture Resistance in AISI 1050Achieved 1.3 times longer tool life compared to conventional products because of increased stability.

Comparison of Thin Plate Machining in AISI 4140Flat tip angle prevents burr formation in various types of applications.

Cutting Performance

1.3 timestool life

Large Burr Small Burr

6

P M K N S H

MFE

DC

l/dLCF LH OAL DCON

DP1

020

3.048 .1200 31 2 MFE0305X02S060 a 14.0 .552 16.0 .630 55.0 2.167 6 .236 13.175 .1250 1/8 2 MFE0318X02S060 a 14.0 .552 16.0 .630 55.0 2.167 6 .236 13.571 .1406 9/64 2 MFE0357X02S060 a 16.0 .631 18.0 .709 55.0 2.167 6 .236 13.967 .1562 5/32 2 MFE0397X02S060 a 16.0 .631 18.0 .709 55.0 2.167 6 .236 14.039 .1590 21 #10-32 2 MFE0404X02S060 a 18.0 .710 20.0 .787 62.0 2.443 6 .236 14.366 .1719 11/64 2 MFE0437X02S060 a 18.0 .710 20.0 .787 62.0 2.443 6 .236 14.763 .1875 3/16 2 MFE0476X02S060 a 20.0 .789 23.0 .906 62.0 2.443 6 .236 15.159 .2031 13/64 2 MFE0516X02S060 a 22.1 .868 25.0 .984 62.1 2.443 6 .236 15.558 .2188 7/32 2 MFE0556X02S060 a 24.1 .947 27.1 1.067 62.1 2.443 6 .236 15.954 .2344 15/64 2 MFE0595X02S060 a 24.1 .947 27.1 1.067 62.1 2.443 6 .236 16.350 .2500 1/4 E 2 MFE0635X02S080 a 26.1 1.026 29.1 1.146 74.1 2.916 8 .315 16.528 .2570 F 5/16-18 2 MFE0653X02S080 a 28.1 1.105 31.1 1.224 74.1 2.916 8 .315 16.746 .2656 17/64 2 MFE0675X02S080 a 28.1 1.105 31.1 1.224 74.1 2.916 8 .315 17.142 .2812 9/32 2 MFE0714X02S080 a 30.1 1.183 33.1 1.303 74.1 2.916 8 .315 17.541 .2969 19/64 2 MFE0754X02S080 a 32.1 1.263 35.1 1.382 74.1 2.916 8 .315 17.938 .3125 5/16 3/8-16 2 MFE0794X02S080 a 32.1 1.263 35.1 1.382 74.1 2.916 8 .315 18.334 .3281 21/64 2 MFE0833X02S100 a 34.1 1.341 37.1 1.461 84.1 3.310 10 .394 18.433 .3320 Q 3/8-24 2 MFE0843X02S100 a 34.1 1.341 37.1 1.461 84.1 3.310 10 .394 18.733 .3438 11/32 2 MFE0873X02S100 a 36.1 1.420 39.1 1.539 84.1 3.310 10 .394 19.128 .3594 23/64 2 MFE0913X02S100 a 36.1 1.420 41.1 1.618 84.1 3.310 10 .394 19.347 .3680 U 7/16-14 2 MFE0935X02S100 a 38.1 1.499 41.1 1.618 84.1 3.310 10 .394 19.525 .3750 3/8 2 MFE0953X02S100 a 40.1 1.578 43.1 1.697 84.1 3.310 10 .394 19.921 .3906 25/64 7/16-20 2 MFE0992X02S100 a 40.1 1.578 43.1 1.697 84.1 3.311 10 .394 1

10.317 .4062 13/32 2 MFE1032X02S120 a 42.1 1.657 45.1 1.776 95.1 3.744 12 .472 110.716 .4219 27/64 1/2-13 2 MFE1072X02S120 a 44.1 1.736 47.1 1.854 95.1 3.744 12 .472 111.113 .4375 7/16 2 MFE1111X02S120 a 46.1 1.815 49.1 1.933 95.1 3.744 12 .472 111.509 .4531 29/64 1/2-20 2 MFE1151X02S120 a 48.1 1.894 51.1 2.012 95.1 3.744 12 .472 113.891 .5469 35/64 2 MFE1389X02S140 a 56.1 2.209 59.1 2.327 102.1 4.020 14 .551 214.288 .5625 9/16 2 MFE1429X02S160 a 58.1 2.288 61.1 2.406 111.1 4.375 16 .630 214.684 .5781 37/64 5/8-18 2 MFE1468X02S160 a 60.1 2.367 63.1 2.484 111.1 4.375 16 .630 215.080 .5937 19/32 2 MFE1508X02S160 a 62.1 2.446 65.1 2.563 111.1 4.375 16 .630 215.478 .6094 39/64 2 MFE1548X02S160 a 62.1 2.446 65.1 2.563 111.1 4.376 16 .630 215.875 .6250 5/8 2 MFE1588X02S160 a 64.1 2.525 67.1 2.642 111.1 4.376 16 .630 216.271 .6406 41/64 2 MFE1627X02S180 a 66.1 2.604 69.1 2.720 119.1 4.691 18 .709 2

Tolerance DC< .2500 .2500<DC< .3906 .3906<DC< .7031 DC>.7031

DC 0─ .0005

0─ .0006

0─ .0007

0─ .0008

Tolerance .236 .315, .394 .472, .551, .630 .709, .787

DCON 0─ .0003

0─ .0004

0─ .0004

0─ .0005

(inch)

(inch)

DC

DC

ON

LCFLH

OAL

DC

ON

DC

LCFLH

OAL

Type1

Type2

a High efficiency drilling in various types of machining.

(Without Coolant Hole)

Order Number

Stock

TypeMetric

(mm)Decimal Fraction Wire /

LetterThread

Size(inch) mm inch mm inch mm inch mm inch

a : Inventory maintained.

DC< .177" : 15°.177"< DC : 45°

7

DC

l/dLCF LH OAL DCON

DP1

020

16.670 .6563 21/32 3/4-10 2 MFE1667X02S180 a 68.2 2.683 71.2 2.803 119.2 4.691 18 .709 217.064 .6718 43/64 2 MFE1707X02S180 a 70.2 2.762 73.2 2.882 119.2 4.691 18 .709 217.463 .6875 11/16 3/4-16 2 MFE1746X02S180 a 70.2 2.762 73.2 2.882 119.2 4.691 18 .709 217.859 .7031 45/64 2 MFE1786X02S180 a 72.2 2.841 75.2 2.961 119.2 4.691 18 .709 218.258 .7188 23/32 2 MFE1826X02S200 a 74.2 2.920 77.2 3.039 127.2 5.006 20 .787 218.654 .7344 47/64 2 MFE1865X02S200 a 76.2 2.998 79.2 3.118 127.2 5.006 20 .787 219.050 .7500 3/4 2 MFE1905X02S200 a 78.2 3.078 81.2 3.197 127.2 5.007 20 .787 219.253 .7580 Tube Sheet 2 MFE1925X02S200 a 78.2 3.078 81.2 3.197 127.2 5.007 20 .787 219.446 .7656 49/64 7/8-9 2 MFE1945X02S200 a 78.2 3.078 81.2 3.197 127.2 5.007 20 .787 219.842 .7812 25/32 2 MFE1984X02S200 a 80.2 3.156 83.2 3.276 127.2 5.007 20 .787 2

(inch)

MFESolid Carbide Flat Bottom Drills

Order Number

Stock

TypeMetric

(mm)Decimal Fraction Wire /

LetterThread

Size(inch) mm inch mm inch mm inch mm inch

a : Inventory maintained.

8

y

A

DC

Operational GuidanceA

djus

ting

Scr

ew

Drill Holding

Coolant Method (MFE)

Thrust bearing type collet chuck holds the drill securely.

Two coolant positions, at the end and at the center are ideal.

A > DC x 1.5 Do not clamp on the flutes. Run-out < .0012 inch

Drill Length Drill Installation Installation Tolerance

Thin Workpiece

If BendingOccurs

NG

NG

Good

Supportthe Workpiece

Burring and Workpiece Chipping

z Lower the feed rate by 50% at the end of through cutting.

xChange the point angle.

9

MFE

y Cutting of the Flat Surface

DC

.1260 3.2 245 (195─295) .0024 (.0016─.0031) 245 (195─295) .0024 (.0016─.0031)

.1575 4.0 245 (195─295) .0031 (.0024─.0039) 245 (195─295) .0031 (.0024─.0039)

.1969 5.0 245 (195─295) .0039 (.0031─.0051) 245 (195─295) .0039 (.0031─.0051)

.2480 6.3 245 (195─295) .0051 (.0039─.0059) 245 (195─295) .0051 (.0039─.0059)

.3150 8.0 245 (195─295) .0059 (.0051─.0067) 245 (195─295) .0059 (.0051─.0067)

.3937 10.0 245 (195─295) .0067 (.0059─.0079) 245 (195─295) .0067 (.0059─.0079)

.4724 12.0 245 (195─295) .0079 (.0067─.0098) 245 (195─295) .0079 (.0067─.0098)

.6299 16.0 245 (195─295) .0098 (.0079─.0118) 245 (195─295) .0098 (.0079─.0118)

.7874 20.0 245 (195─295) .0118 (.0098─.0138) 245 (195─295) .0118 (.0098─.0138)

DC

.1260 3.2 210 (165─260) .0024 (.0016─.0031) 100 (65─165) .0008 (.0004─.0012)

.1575 4.0 210 (165─260) .0031 (.0024─.0039) 100 (65─165) .0012 (.0008─.0016)

.1969 5.0 210 (165─260) .0039 (.0031─.0059) 100 (65─165) .0016 (.0012─.0020)

.2480 6.3 210 (165─260) .0051 (.0039─.0059) 100 (65─165) .0020 (.0016─.0024)

.3150 8.0 210 (165─260) .0059 (.0051─.0079) 100 (65─165) .0024 (.0020─.0031)

.3937 10.0 210 (165─260) .0067 (.0059─.0087) 100 (65─165) .0031 (.0024─.0039)

.4724 12.0 210 (165─260) .0079 (.0067─.0098) 100 (65─165) .0039 (.0031─.0047)

.6299 16.0 210 (165─260) .0098 (.0079─.0118) 100 (65─165) .0047 (.0039─.0059)

.7874 20.0 210 (165─260) .0118 (.0098─.0138) 100 (65─165) .0059 (.0047─.0079)

DC

.1260 3.2 245 (195─295) .0024 (.0016─.0031) 210 (180─245) .0020 (.0016─.0024)

.1575 4.0 245 (195─295) .0031 (.0024─.0039) 230 (195─260) .0024 (.0020─.0031)

.1969 5.0 245 (195─295) .0039 (.0031─.0047) 230 (195─260) .0031 (.0024─.0039)

.2480 6.3 245 (195─295) .0047 (.0039─.0055) 230 (195─260) .0039 (.0031─.0047)

.3150 8.0 245 (195─295) .0055 (.0047─.0063) 230 (195─260) .0047 (.0039─.0059)

.3937 10.0 245 (195─295) .0063 (.0055─.0071) 230 (195─260) .0059 (.0047─.0071)

.4724 12.0 245 (195─295) .0071 (.0063─.0079) 230 (195─260) .0071 (.0059─.0079)

.6299 16.0 245 (195─295) .0079 (.0071─.0094) 230 (195─260) .0079 (.0071─.0098)

.7874 20.0 245 (195─295) .0094 (.0079─.0110) 230 (195─260) .0098 (.0079─.0118)

(inch)

Solid Carbide Flat Bottom Drills

Recommended Cutting Conditions

Work Material

Mild Steel (<180HB)

AISI 1010 etc.

Carbon Steel, Alloy Steel (180─280HB)

AISI 1045, 4140 etc.

vc(Min.─Max.)

(SFM)

f(Min.─Max.)

(IPR)

vc(Min.─Max.)

(SFM)

f(Min.─Max.)

(IPR)inch mm

Work Material

Carbon Steel, Alloy Steel (280─350HB)

AISI 4340 etc.

Austenitic Stainless Steel (<200HB)

AISI 304, 316 etc.

vc(Min.─Max.)

(SFM)

f(Min.─Max.)

(IPR)

vc(Min.─Max.)

(SFM)

f(Min.─Max.)

(IPR)inch mm

Work Material

Gray Cast Iron (<350MPa)

No45B etc.

Ductile Cast Iron (<450MPa)

60-40-18 etc.

vc(Min.─Max.)

(SFM)

f(Min.─Max.)

(IPR)

vc(Min.─Max.)

(SFM)

f(Min.─Max.)

(IPR)inch mm

10

DC

.1260 3.2 360 (295─425) .0024 (.0016─.0031)

.1575 4.0 360 (295─425) .0031 (.0024─.0039)

.1969 5.0 360 (295─425) .0039 (.0031─.0051)

.2480 6.3 360 (295─425) .0051 (.0039─.0063)

.3150 8.0 360 (295─425) .0063 (.0051─.0079)

.3937 10.0 360 (295─425) .0079 (.0063─.0094)

.4724 12.0 360 (295─425) .0094 (.0079─.0110)

.6299 16.0 360 (295─425) .0110 (.0094─.0126)

.7874 20.0 360 (295─425) .0126 (.0110─.0142)

(inch)

Work Material

Aluminum Alloy (Si<5%)

ASTM A6061, 7075 etc.

vc(Min.─Max.)

(SFM)

f(Min.─Max.)

(IPR)inch mm

11

MFE

Cutting of the < 30° Angled Surface

DC

.1260 3.2 245 (195─295) .0017 (.0011─.0022) 245 (195─295) .0017 (.0011─.0022)

.1575 4.0 245 (195─295) .0022 (.0017─.0028) 245 (195─295) .0022 (.0017─.0028)

.1969 5.0 245 (195─295) .0028 (.0022─.0036) 245 (195─295) .0028 (.0022─.0036)

.2480 6.3 245 (195─295) .0036 (.0028─.0041) 245 (195─295) .0036 (.0028─.0041)

.3150 8.0 245 (195─295) .0041 (.0036─.0047) 245 (195─295) .0041 (.0036─.0047)

.3937 10.0 245 (195─295) .0047 (.0041─.0055) 245 (195─295) .0047 (.0041─.0055)

.4724 12.0 245 (195─295) .0055 (.0047─.0069) 245 (195─295) .0055 (.0047─.0069)

.6299 16.0 245 (195─295) .0069 (.0055─.0083) 245 (195─295) .0069 (.0055─.0083)

.7874 20.0 245 (195─295) .0083 (.0069─.0096) 245 (195─295) .0083 (.0069─.0096)

DC

.1260 3.2 210 (165─260) .0017 (.0011─.0022) 100 (65─165) .0006 (.0003─.0008)

.1575 4.0 210 (165─260) .0022 (.0017─.0028) 100 (65─165) .0008 (.0006─.0011)

.1969 5.0 210 (165─260) .0028 (.0022─.0041) 100 (65─165) .0011 (.0008─.0014)

.2480 6.3 210 (165─260) .0036 (.0028─.0041) 100 (65─165) .0014 (.0011─.0017)

.3150 8.0 210 (165─260) .0041 (.0036─.0055) 100 (65─165) .0017 (.0014─.0022)

.3937 10.0 210 (165─260) .0047 (.0041─.0061) 100 (65─165) .0022 (.0017─.0028)

.4724 12.0 210 (165─260) .0055 (.0047─.0069) 100 (65─165) .0028 (.0022─.0033)

.6299 16.0 210 (165─260) .0069 (.0055─.0083) 100 (65─165) .0033 (.0028─.0041)

.7874 20.0 210 (165─260) .0083 (.0069─.0096) 100 (65─165) .0041 (.0033─.0055)

DC

.1260 3.2 245 (195─295) .0017 (.0011─.0022) 210 (180─245) .0014 (.0011─.0017)

.1575 4.0 245 (195─295) .0022 (.0017─.0028) 230 (195─260) .0017 (.0014─.0022)

.1969 5.0 245 (195─295) .0028 (.0022─.0033) 230 (195─260) .0022 (.0017─.0028)

.2480 6.3 245 (195─295) .0033 (.0028─.0039) 230 (195─260) .0028 (.0022─.0033)

.3150 8.0 245 (195─295) .0039 (.0033─.0044) 230 (195─260) .0033 (.0028─.0041)

.3937 10.0 245 (195─295) .0044 (.0039─.0050) 230 (195─260) .0041 (.0033─.0050)

.4724 12.0 245 (195─295) .0050 (.0044─.0055) 230 (195─260) .0050 (.0041─.0055)

.6299 16.0 245 (195─295) .0055 (.0050─.0066) 230 (195─260) .0055 (.0050─.0069)

.7874 20.0 245 (195─295) .0066 (.0055─.0077) 230 (195─260) .0069 (.0055─.0083)

(inch)y

Solid Carbide Flat Bottom Drills

Recommended Cutting Conditions

Work Material

Mild Steel (<180HB)

AISI 1010 etc.

Carbon Steel, Alloy Steel (180─280HB)

AISI 1045, 4140 etc.

vc(Min.─Max.)

(SFM)

f(Min.─Max.)

(IPR)

vc(Min.─Max.)

(SFM)

f(Min.─Max.)

(IPR)inch mm

Work Material

Carbon Steel, Alloy Steel (280─350HB)

AISI 4340 etc.

Austenitic Stainless Steel (<200HB)

AISI 304, 316 etc.

vc(Min.─Max.)

(SFM)

f(Min.─Max.)

(IPR)

vc(Min.─Max.)

(SFM)

f(Min.─Max.)

(IPR)inch mm

Work Material

Gray Cast Iron (<350MPa)

No45B etc.

Ductile Cast Iron (<450MPa)

60-40-18 etc.

vc(Min.─Max.)

(SFM)

f(Min.─Max.)

(IPR)

vc(Min.─Max.)

(SFM)

f(Min.─Max.)

(IPR)inch mm

12

DC

.1260 3.2 360 (295─425) .0017 (.0011─.0022)

.1575 4.0 360 (295─425) .0022 (.0017─.0028)

.1969 5.0 360 (295─425) .0028 (.0022─.0036)

.2480 6.3 360 (295─425) .0036 (.0028─.0044)

.3150 8.0 360 (295─425) .0044 (.0036─.0055)

.3937 10.0 360 (295─425) .0055 (.0044─.0066)

.4724 12.0 360 (295─425) .0066 (.0055─.0077)

.6299 16.0 360 (295─425) .0077 (.0066─.0088)

.7874 20.0 360 (295─425) .0088 (.0077─.0099)

(inch)

Work Material

Aluminum Alloy (Si<5%)

ASTM A6061, 7075 etc.

vc(Min.─Max.)

(SFM)

f(Min.─Max.)

(IPR)inch mm

13

MFE

Cutting of the > 30° Angled Surface

DC

.1260 3.2 245 (195─295) .0012 (.0008─.0016) 245 (195─295) .0012 (.0008─.0016)

.1575 4.0 245 (195─295) .0016 (.0012─.0020) 245 (195─295) .0016 (.0012─.0020)

.1969 5.0 245 (195─295) .0020 (.0016─.0026) 245 (195─295) .0020 (.0016─.0026)

.2480 6.3 245 (195─295) .0026 (.0020─.0030) 245 (195─295) .0026 (.0020─.0030)

.3150 8.0 245 (195─295) .0030 (.0026─.0033) 245 (195─295) .0030 (.0026─.0033)

.3937 10.0 245 (195─295) .0033 (.0030─.0039) 245 (195─295) .0033 (.0030─.0039)

.4724 12.0 245 (195─295) .0039 (.0033─.0049) 245 (195─295) .0039 (.0033─.0049)

.6299 16.0 245 (195─295) .0049 (.0039─.0059) 245 (195─295) .0049 (.0039─.0059)

.7874 20.0 245 (195─295) .0059 (.0049─.0069) 245 (195─295) .0059 (.0049─.0069)

DC

.1260 3.2 210 (165─260) .0012 (.0008─.0016) 100 (65─165) .0004 (.0002─.0006)

.1575 4.0 210 (165─260) .0016 (.0012─.0020) 100 (65─165) .0006 (.0004─.0008)

.1969 5.0 210 (165─260) .0020 (.0016─.0026) 100 (65─165) .0008 (.0006─.0010)

.2480 6.3 210 (165─260) .0026 (.0020─.0030) 100 (65─165) .0010 (.0008─.0012)

.3150 8.0 210 (165─260) .0030 (.0026─.0039) 100 (65─165) .0012 (.0010─.0016)

.3937 10.0 210 (165─260) .0033 (.0030─.0043) 100 (65─165) .0016 (.0012─.0020)

.4724 12.0 210 (165─260) .0039 (.0033─.0049) 100 (65─165) .0020 (.0016─.0024)

.6299 16.0 210 (165─260) .0049 (.0039─.0059) 100 (65─165) .0024 (.0020─.0030)

.7874 20.0 210 (165─260) .0059 (.0049─.0069) 100 (65─165) .0030 (.0024─.0039)

DC

.1260 3.2 245 (195─295) .0012 (.0008─.0016) 210 (180─245) .0010 (.0008─.0012)

.1575 4.0 245 (195─295) .0016 (.0012─.0020) 230 (195─260) .0012 (.0010─.0016)

.1969 5.0 245 (195─295) .0020 (.0016─.0024) 230 (195─260) .0016 (.0012─.0020)

.2480 6.3 245 (195─295) .0024 (.0020─.0028) 230 (195─260) .0020 (.0016─.0024)

.3150 8.0 245 (195─295) .0028 (.0024─.0031) 230 (195─260) .0024 (.0020─.0030)

.3937 10.0 245 (195─295) .0031 (.0028─.0035) 230 (195─260) .0030 (.0024─.0035)

.4724 12.0 245 (195─295) .0035 (.0031─.0039) 230 (195─260) .0035 (.0030─.0039)

.6299 16.0 245 (195─295) .0039 (.0035─.0047) 230 (195─260) .0039 (.0035─.0049)

.7874 20.0 245 (195─295) .0047 (.0039─.0055) 230 (195─260) .0049 (.0039─.0059)

(inch)y

Solid Carbide Flat Bottom Drills

Recommended Cutting Conditions

Work Material

Mild Steel (<180HB)

AISI 1010 etc.

Carbon Steel, Alloy Steel (180─280HB)

AISI 1045, 4140 etc.

vc(Min.─Max.)

(SFM)

f(Min.─Max.)

(IPR)

vc(Min.─Max.)

(SFM)

f(Min.─Max.)

(IPR)inch mm

Work Material

Carbon Steel, Alloy Steel (280─350HB)

AISI 4340 etc.

Austenitic Stainless Steel (<200HB)

AISI 304, 316 etc.

vc(Min.─Max.)

(SFM)

f(Min.─Max.)

(IPR)

vc(Min.─Max.)

(SFM)

f(Min.─Max.)

(IPR)inch mm

Work Material

Gray Cast Iron (<350MPa)

No45B etc.

Ductile Cast Iron (<450MPa)

60-40-18 etc.

vc(Min.─Max.)

(SFM)

f(Min.─Max.)

(IPR)

vc(Min.─Max.)

(SFM)

f(Min.─Max.)

(IPR)inch mm

14

DC

.1260 3.2 360 (295─425) .0012 (.0008─.0016)

.1575 4.0 360 (295─425) .0016 (.0012─.0020)

.1969 5.0 360 (295─425) .0020 (.0016─.0026)

.2480 6.3 360 (295─425) .0026 (.0020─.0031)

.3150 8.0 360 (295─425) .0031 (.0026─.0039)

.3937 10.0 360 (295─425) .0039 (.0031─.0047)

.4724 12.0 360 (295─425) .0047 (.0039─.0055)

.6299 16.0 360 (295─425) .0055 (.0047─.0063)

.7874 20.0 360 (295─425) .0063 (.0055─.0071)

(inch)

Work Material

Aluminum Alloy (Si<5%)

ASTM A6061, 7075 etc.

vc(Min.─Max.)

(SFM)

f(Min.─Max.)

(IPR)inch mm

MFEMFE

(Tools specifications subject to change without notice.)

LOS ANGELES HEAD OFFICE11250 Slater Avenue, Fountain Valley, CA 92708TEL : 714-352-6100 FAX : 714-668-1320

CHICAGO OFFICE1314B North Plum Grove Road, Schaumburg, IL 60173TEL : 847-252-6300 FAX : 847-519-1732

MMC METAL DE MEXICO, S.A. DE C.V.Av. La Cañada No.16, Parque Industrial Bernardo Quintana,El Marques, Queretaro, CP76246, MexicoTEL : +52-442-221-6136 FAX : +52-442-221-6134

Customer Service : 800-523-0800Technical Service : 800-486-2341

TORONTO OFFICE3535 Laird Road, Units 15 & 16, Mississauga, Ontario, L5L 5Y7, CanadaTEL : 905-814-0240 FAX : 905-814-0245

EXP-16-E011Printed in U.S.A. 10/16

For your safetyaDon't handle inserts and chips without gloves. aPlease machine within the recommended application range and exchange expired tools with new ones in advance of breakage. aPlease use safety covers and wear safety glasses. aWhen using compounded cutting oils, please take fire precautions. aWhen using rotating tools, please make a trial run to check run-out, vibration and abnormal sounds etc. aGrinding or heating of cutting tools produces dust and mist. Inhaling large amount of dust or contacting with eyes and skins may harm your body.

Solid Carbide Flat Bottom Drills