SCI 21-22 General Catalog

Turning Triangular Negative Inserts

Indexable Insert

RE

Information in "Shape" column

Triangular Neg. With Hole

TN

EFL

Name of Chipbreaker

.12

IC

Application Range

.08

Recommended Part Material

.04

Chipbreaker Rake Angle

0

.008 .016 .024

10 °

Feed Rate (f) (inch/rev)

L

S

60°

: 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

TN ¢¢ 66 ˜

Cutting Edge Length L 1.2992 Thickness S .3750 Inscribed Circle IC .7500 Hole Dia. D1 .3122

Dimensions (inch)

B

Coated Cermet

Coated Carbide

Carbide

C21

Applicable External Holders

Nose Radius

Application Range

Sumitomo Cat. No.

ISO Cat. No.

Shape

RE

Q « D D

QQQQ Q

.0938 D « D

DD

( a p )

TNMG666EEM TNMG330924N-EM

EEM

.24

.16

.08

0 °

( f )

0

.008 .016 .024

Q

QQQQ Q

DD DD

TNMG666ENG TNMG330924N-UG

ENG

.0938

( a p )

.24

.16

.08

( f )

0

.008 .016 .024

Q

QQQQ Q

DDDDD

D F

TNMG666ENZ TNMG330924N-UZ

ENZ

C

.0938

( a p )

.24

.16

.08

( f )

0

.008 .016 .024

D

R

S

T

V

W

B64

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