MITSUBISHI MATERIALS CORPORATION
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DRILLS SELECTION CHART

Solid Carbide
Category Drell Type Product
Code		 Coolant Hole
Depth
(I/d)		 Range of Size Work Material Shape
P H M K N S
INCH METRIC Carbide Steel / AlloySteel Hardened Steel Stainless Steel Cast Iron Light Alloy Heat-resistant Alloy
For Micro
Size Hole
(≤ø.1200",
ø2.95mm)		 General Use MWS Internal 1
5
12		 1
5
12
20
25
30		 INCH
ø.0200−ø.1200"
METRIC
ø0.5−ø2.95mm		   MWS
MZE External 2 2
3		 INCH
ø.0394"−ø.1200"
METRIC
ø1.0−ø2.9mm		 MZE
MZS Internal 5 3
5

INCH

ø.0394"−ø.1200"
METRIC
ø1.0−ø2.9mm

   MZS
MSE External - 5 METRIC
ø0.1−ø0.99mm		 MSE
Starter Drill for
MSE Type		 MSP External - - METRIC
ø0.1−ø0.99mm		 MSP
For General
Size Hole
(≥ø.1250",
ø3.0mm)		 General Use MWE External - 2
3		 METRIC
ø3.0−ø20.0mm		 MWE
MWS Internal 5
8		 3
5
8		 INCH
ø.1250"−ø.7812"
METRIC
ø3.0−ø20.0mm		   MWS
MZE External 2
3		 2
3		 INCH
ø.1250"−ø.7812"
METRIC
ø3.0−ø20.0mm		 MZE
MZS Internal 3
5		 3
5
8		 INCH
ø.1250"−ø.7812"
METRIC
ø3.0−ø20.0mm		   MZS
Step Drill MZS Internal - 3 METRIC
ø4.3−ø8.5mm		   MZS
For Deep Hole
(≥l/d 10)		 MWS Super
Long Type		 MWS Internal 15
20
25
30		 10
15
20
25
30		 INCH
ø.1250"−ø.5000"
METRIC
ø3.0−ø14.0mm		   MWS
Solid Gun Drill MGS Internal 30
l
50		 30
l
50

INCH

ø.02756"−ø.12205"
METRIC
ø0.7−ø3.1mm

 MGS
For Aluminum
or Cast Iron		 Helix Angle
(10°)		 MAE External - 3 METRIC
ø3.0− ø16.0 mm		         MAE
MAS Internal 3 3 INCH
ø.1250"−ø.7812"
METRIC
ø3.0−ø16.0mm		         MAS
4 coolant holes MNS Internal - 5
10
20
30		 METRIC
ø3.0− ø14.0 mm		           MNS
General Use MZE
(HTi10)		 External - 2
3		 METRIC
ø3.0− ø20.0 mm		         MZE
For Hardened
Steel		 General Use MHS Internal - 1
l
30		 METRIC
ø3.0− ø12.0 mm		           MHS
For Wheel Hub Low Cutting
Resistance		 MHE External 1 - INCH
ø.394"−ø.591"		           MHE

Indexable
Category Drell Type Product
Code		 Coolant Hole Depth
(I/d)		 Range of Size Work Material Shape
P H M K N S
INCH METRIC Carbide Steel / AlloySteel Hardened Steel Stainless Steel Cast Iron Light Alloy Heat-resistant Alloy
For General
Use		 Indexable
Head		 TAW Internal 3
5		 3
5		 INCH
ø.5625"−ø1.1875"
METRIC
ø14.0−ø30.0 mm		       TAW
Multi-corner
Insert		 TAF Internal 2
3
4		 2
3
4

INCH
ø.468"−ø2.250"
METRIC
ø12.0−ø56.0 mm

     TAF

Brazed
Category Drell Type Product
Code		 Coolant Hole Depth
(I/d)		 Range of Size Work Material Shape
P H M K N S
INCH METRIC Carbide Steel / AlloySteel Hardened Steel Stainless Steel Cast Iron Light Alloy Heat-resistant Alloy
For General
Use		 New Point
Type		 BRA Internal 3 3 INCH
ø.3125"−ø1.250"
METRIC
ø8.0−ø30.0mm		       BRA
High Helix
(30°)		 BRS Internal 3 3

INCH
ø.5000"−ø1.1875"
METRIC
ø14.0−ø30.0mm

       BRS