Sumitomo General Catalog 2025-2026

Turning Triangular Positive Inserts

Indexable Insert

TB Triangular 5° Pos. Without Hole TB ¢¢ 52 ˜ Dimensions (inch) Cutting Edge Length L .2717 Thickness S .0626 Inscribed Circle IC .1563

Information in "Shape" column

RE

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)

S

L

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

B

Coated Cermet

Coated Carbide

Carbide

Cermet

L75 SUMIDIA (PCD) Inserts

M18

SUMIBORON (CBN) Inserts

Nose Radius

Application Range

Shape

Sumitomo Cat. No.

ISO Cat. No.

RE

TBGR521LW TBGR060104L-W .0156 QQQQQQQQQQQQQQQQQQQQQQQ

★ QQ Q

(R/L)W

( a p )

.08

.04

( f )

*1

0

0 °

.016 .008

TBGE521 TBGN060104

.0156 QQQQQQQQQQQQQQQQQQQQQQQ

QQ ★

Q

*1: Photo shows left hand.

C

D

R

S

T

V

W

B102

Made with FlippingBook flipbook maker