Turning Square Negative Inserts SN Square Neg. With Hole 90°
Indexable Insert
IC RE
Grade Selection
A2, A3
Chipbreaker Selection B10 on Insert Grade Selection by Part Material
A10 on
L
S
: 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
SN ¢¢ 54 Dimensions (inch)
Cutting Edge Length L .6250 Thickness S .2500 Inscribed Circle IC .6250 Hole Dia. D1 .2500
B
Coated Cermet
Coated Carbide
Carbide
Cermet
C14
Applicable External Holders
Nose Radius
Application Range
Shape
Sumitomo Cat. No.
ISO Cat. No.
RE
SNMR542EHM SNMG150608R-HM .0313
Q Q
QQQQQ QQ QQQQQ QQ
(R/L)HM
0 .08 .16 .24 （ a p ）
★★
SNML542EHM SNMG150608L-HM
.0313
★
（ f ）
.008 .016 .024
15°
SNMM543ENP SNMM150612N-MP .0469 ★★★ SNMM544ENP SNMM150616N-MP .0625 ★★★
Q Q
QQQQQ QQ QQQQQ QQ
ENP
.40 （ a p ）
★ ★
.20
（ f ）
0
0 °
.020
.040
SNMM544EHG SNMM150616N-HG .0625 ★●★
Q
QQQQQ QQ
EHG
（ a p ）
C
.40
.20
（ f ）
0
0 °
.020
.040
D
R
S
T
V
W
B45
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