End Mill Training - Melin Tool Part Name Descriptions
The basic sizes of the tools are generally reflected in the tool name:
Shank: The first two (or one for smaller sizes) number digits represent the shank in 32nds.
For example, A-1618 has a 1/2" shank (16/32) and A-604 has a 3/16" shank (6/32).
Cutting Edge Size: The second two digits represent the cutting edge size also in 32nds.
For example, A-1618 has a 9/16 size (18/32) and A-604 has a 1/8 size (4/32).
ALL END
MILLS
Suffix
Special
Description
- B
BALL END
- M
MEDIUM LENGTH
- L
LONG LENGTH
- E
EXTRA LONG LENGTH
- EE
EXTRA, EXTRA LONG LENGTH
- R###
CORNER RADIUS (###
IS SIZE OF RADIUS)
- DIA
DIAMOND COATED
- DP
DRILL POINT. MAY
INCLUDE ANGLE LIKE "-DP60" FOR 60 DEG
- TiN
TITANIUM NITRIDE
COATED
- TiAlN
TITANIUM ALUMINUM NITRIDE
COATED
- TiCN
TITANIUM CARBONITRIDE
COATED
- AlTiN
ALUMINUM TITANIUM NITRIDE
COATED
- ZrN
ZIRCONIUM NITRIDE COATED
COBALT
HSS & HSS TOOLS
Prefix
Flutes
Ends
Length
Center
Cutting
Special
Description
A
2
SE
STD
YES
AA
2
SE
STD
YES
FOR ALUMINUM
AK
2
SE
STD
YES
KEYWAY TOLERANCES
AN
2
SE
STD
YES
LONG REACH
AP
2
SE
STD
YES
"P" INDICATES
COBALT MATERIAL
AS
2
SE
STUB
YES
B
2
DE
STD
YES
BS
2
DE
STUB
YES
C
MULT
SE
STD
NO
CC
MULT
SE
STD
YES
CCFP
MULT
SE
STD
YES
FINE-PITCH ROUGHER
CCFPS
MULT
SE
STUB
YES
FINE-PITCH ROUGHER
CCP
MULT
SE
STD
YES
"P" INDICATES
COBALT MATERIAL
CCRP
MULT
SE
STD
YES
ROUGHER
CCS
MULT
SE
STUB
YES
CFP
MULT
SE
STD
NO
FINE-PITCH ROUGHER
CFPS
MULT
SE
STUB
NO
FINE-PITCH ROUGHER
CR
or CRP
MULT
SE
STD
NO
ROUGHER
CRFP
MULT
SE
STD
NO
ROUGHER/FINISHER
CRFPS
MULT
SE
STUB
NO
ROUGHER/FINISHER
CRS
MULT
SE
STUB
NO
ROUGHER
CS
MULT
SE
STUB
NO
D
4
DE
STD
NO
DD
4
DE
STD
YES
DS
4
DE
STUB
NO
E
3
SE
STD
YES
E60
3
SE
STD
YES
60 DEGREE HELIX ANGLE
ERP
3
SE
STD
YES
ROUGHER FOR ALUMINUM
EFP
3
SE
STD
YES
FINE-PITCH ROUGH FOR
ALUM
EFPS
3
SE
STUB
YES
FINE-PITCH ROUGH FOR
ALUM
EN
3
SE
STD
YES
LONG REACH
ERP
3
SE
STD
YES
ROUGHER FOR ALUMINUM
ERPS
3
SE
STUB
YES
ROUGHER FOR ALUMINUM
F
3
DE
STD
YES
R
3
SE
STD
NO
CORNER ROUNDER
RC
4
SE
STD
NO
CORNER ROUNDER
XB
2
DE
STD
YES
LEFT HAND SPIRAL, LH CUT
XD
4
DE
STD
YES
LEFT HAND SPIRAL, LH CUT
CARBIDE END
MILLS
Prefix
Flutes
Ends
Length
Center
Cutting
Special
Description
AMG
2
SE
*
YES
AMGS
2
SE
STUB
YES
AAMG
2
SE
*
YES
HIGH HELIX
AMG55
2
SE
*
YES
55 DEGREE HELIX ANGLE
AMGS
2
SE
STUB
YES
BMG
2
DE
*
YES
BRMG
2
DE
*
NO
CORNER ROUNDER
BSMG
2
DE
STUB
YES
BSMG
2
DE
STUB
YES
CCMG
MULT
SE
*
YES
CCMGS
MULT
SE
STUB
YES
CMG2
2
SE
*
NO
CHAMFER MILL
CMG4
4
SE
*
NO
CHAMFER MILL
CRMG
MULT
SE
*
YES
ROUGHER
DDMG
4
DE
*
YES
DDSMG
4
DE
STUB
YES
EMG
3
SE
*
YES
60 DEGREE HELIX ANGLE
EMG35
3
SE
*
YES
35 DEGREE HELIX ANGLE
EMGS35
3
SE
STUB
YES
35 DEGREE HELIX ANGLE
EMG60
3
SE
*
YES
60 DEGREE HELIX ANGLE
GMG
5
SE
*
YES
45 DEGREE HELIX ANGLE
RCMG
4
SE
*
NO
CORNER ROUNDER
RMG
3
SE
*
NO
CORNER ROUNDER
VHMG
4
SE
*
YES
VARIABLE HELIX
VBMG2
2
SE
*
YES
VARIABLE BALL END
VBMG4
4
SE
*
YES
VARIABLE BALL END
* Refer to the tool suffix information above.
If there is no
suffix, tool is standard length.
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