Turning 55˚ Diamond Positive Inserts
Indexable Insert
55° Diamond 7° Pos. With Hole
RE
DC
Grade Selection
A2, A3
IC
Chipbreaker Selection
B10 on
S
A10 on
Insert Grade Selection by Part Material
L
55°
: Interrupted Cutting 1st Recommended : Interrupted Cutting 2nd Recommended
: General Cutting 1st Recommended : General Cutting 2nd Recommended
: Continuous Cutting 1st Recommended : Continuous Cutting 2nd Recommended
P Steel M Stainless Steel K Cast Iron N Non-Ferrous Metal S Exotic Alloy H Hardened Steel
DC ¢¢ 21.5
Cutting Edge Length L .3031 Thickness S .0937 Inscribed Circle IC .2500 Hole Dia. D1 .1102
Dimensions (inch)
B
L55
M14
M27
SUMIBORON (CBN) Inserts
SUMIDIA (PCD) Inserts
SUMIDIA Binderless Inserts
Coated Cermet
Coated Carbide
Carbide
C35, D18
E34
Applicable External Holders
Applicable Internal Holders
Nose Radius
Application Range
Shape
Sumitomo Cat. No.
ISO Cat. No.
RE
.0039 QQQQQQQQQQQQQQQQQQQQQQQQQQQQQ « .0039 QQQQQQQQQQQQQQQQQQQQQQQQQQQQQ « .0078 QQQQQQQQQQQQQQQQQQQQQQQQQQQQQ « .0078 QQQQQQQQQQQQQQQQQQQQQQQQQQQQQ « .0156 QQQQQQQQQQQQQQQQQQQQQQQQQQQQQ « .0156 QQQQQQQQQQQQQQQQQQQQQQQQQQQQQ «
DCGT21.50RAY DCGT070201R-AY DCGT21.50LAY DCGT070201L-AY DCGT21.50.5RAY DCGT070202R-AY DCGT21.50.5LAY DCGT070202L-AY DCGT21.51RAY DCGT070204R-AY DCGT21.51LAY DCGT070204L-AY
(R/L)AY
.16 ( a p )
.12
.08
.04
( f )
0
.008 .016 .024
15°
: Interrupted Cutting 1st Recommended : Interrupted Cutting 2nd Recommended
: General Cutting 1st Recommended : General Cutting 2nd Recommended
: Continuous Cutting 1st Recommended : Continuous Cutting 2nd Recommended
C
P Steel M Stainless Steel K Cast Iron N Non-Ferrous Metal S Exotic Alloy H Hardened Steel
DC ¢¢ 2.51.5
Cutting Edge Length L .3819 Thickness S .0937 Inscribed Circle IC .3125 Hole Dia. D1 .1339
Dimensions (inch)
D
Coated Cermet
Coated Carbide
Carbide
Nose Radius
Application Range
Sumitomo Cat. No.
ISO Cat. No.
Shape
R
RE
DCGT2.51.50MEFM DCGT090201MN-SC < .0039 QQQQQQQQQQQQQQQQQQQQQQQ
D QQ
( a p )
(M)EFM
.16
.0039 QQQQQQQQQQQQQQQQQ
Q
«
DCGT2.51.50EFM DCGT090201N-SC
.12
.08
DCGT2.51.50.5MEFM DCGT090202MN-SC < .0078 QQQQQQQQQQQQQQQQQQQQQQQ
D QQ
S
.04
.0078 QQQQQQQQQQQQQQQQQ
Q
«
( f )
DCGT2.51.50.5EFM DCGT090202N-SC
0
.008 .016 .024
6°
Values for nose radius RE prefixed with "<" indicate negative tolerances.
: Interrupted Cutting 1st Recommended : Interrupted Cutting 2nd Recommended
: General Cutting 1st Recommended : General Cutting 2nd Recommended
: Continuous Cutting 1st Recommended : Continuous Cutting 2nd Recommended
P Steel M Stainless Steel K Cast Iron N Non-Ferrous Metal S Exotic Alloy H Hardened Steel
T
DC ¢¢ 32
Cutting Edge Length L .4567 Thickness S .1250 Inscribed Circle IC .3750 Hole Dia. D1 .1732
Dimensions (inch)
V
Coated Cermet
Coated Carbide
Carbide
Nose Radius
Application Range
Sumitomo Cat. No.
ISO Cat. No.
Shape
W
RE
DCGT320MEFM DCGT110301MN-SC < .0039 QQQQQQQQQQQQQQQQQQQQQQQ DCGT320.5MEFM DCGT110302MN-SC < .0078 QQQQQQQQQQQQQQQQQQQQQQQ
« QQ « QQ
( a p )
(M)EFM
.16
.12
.08
.04
( f )
0
6°
.008 .016 .024
Values for nose radius RE prefixed with "<" indicate negative tolerances.
B87
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