Sumitomo General Catalog 2025-2026

Turning Triangular Positive Inserts

Indexable Insert

TB Triangular 5° Pos. With Hole TB ¢¢ 52 ˜ Dimensions (inch) Cutting Edge Length L .2717 Thickness S .0626 Inscribed Circle IC .1563 Hole Dia. D1 .0866

RE

IC

Grade Selection

A2, A3

Chipbreaker Selection B10 on Insert Grade Selection by Part Material

S

A10 on

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

M18

SUMIDIA (PCD) Inserts

Coated Cermet

Coated Carbide

Carbide

Cermet

E46

Applicable Internal Holders

Nose Radius

Application Range

Shape

Sumitomo Cat. No.

ISO Cat. No.

RE

TBGT520.5RFW TBGT060102R-FW .0078 QQQQQQQQQQQQQQQQQQQQQQQ ★ ● QQ Q TBGT520.5LFW TBGT060102L-FW .0078 QQQQQQQQQQQQQQQQQQQQQQQ ● ● QQ Q TBGT521RFW TBGT060104R-FW .0156 QQQQQQQQQQQQQQQQQQQQQQQ ★ ★ QQ Q TBGT521LFW TBGT060104L-FW .0156 QQQQQQQQQQQQQQQQQQQQQQQ ● ★ QQ Q

FW

( a p )

.08

.04

( f )

0

*1

20°

.016 .008

TBGT520.5RFX TBGT060102R-FX TBGT520.5LFX TBGT060102L-FX TBGT521RFX TBGT060104R-FX TBGT521LFX TBGT060104L-FX TBGT520RFY TBGT060101R-FY TBGT520LFY TBGT060101L-FY TBGT520.5RFY TBGT060102R-FY TBGT520.5LFY TBGT060102L-FY TBGT521RFY TBGT060104R-FY TBGT521LFY TBGT060104L-FY TBGT520.5R TBGT060102R-W TBGT520.5L TBGT060102L-W TBGT520RAY TBGT060101R-AY TBGT520LAY TBGT060101L-AY TBGT520.5RAY TBGT060102R-AY TBGT520.5LAY TBGT060102L-AY TBGT521R TBGT521L TBGT060104R-W TBGT060104L-W TBGT521RAY TBGT060104R-AY TBGT521LAY TBGT060104L-AY

.0078 QQQQQQQQQQQQQQQ .0078 QQ ● QQ F QQQQQQQQQ .0156 QQQQQQQQQQQQQQQ .0156 QQ ● QQ F QQQQQQQQQ .0039 QQQQQQQQQQQQQQQ .0039 QQQQQQQQQQQQQQQ .0078 QQQQQQQQQQQQQQQ .0078 QQQQQQQQQQQQQQQ .0156 QQQQQQQQQQQQQQQ .0156 QQQQQQQQQQQQQQQ .0078 QQQQQQQQQQQQQQQ .0078 QQ ● QQ F QQQQQQQQQ .0156 QQQQQQQQQQQQQQQ .0156 QQ ● QQQQQQQQQQQQ

●★ ●● QQQQ QQ

(R/L)FX

( a p )

.08

★★ QQQQ QQ ★★ QQQQ QQ ★● QQQQ QQ

●★ F ●★ F ●★ F

.04

( f )

0

*1

15°

.016 .008

C

★★ ★● QQQQ QQ ★★ ●★ QQQQ QQ

(R/L)FY

( a p )

.08

★★ ★ ★★ ★★ ★ ★ ★★ ★ ★★ ★★ ★★ ★●

.04

*1

( f )

D

0

.016 .008

15°

(R/L)W

( a p )

★★ ★●

.08

★★●★★●

.04

R

●★ ★● ★● ★●

*1

( f )

0

0 °

.016 .008

.0039 QQQQQQQQQQQQQQQQQQQQQQQ .0039 QQQQQQQQQQQQQQQQQQQQQQQ .0078 QQQQQQQQQQQQQQQQQQQQQQQ .0078 QQQQQQQQQQQQQQQQQQQQQQQ .0156 QQQQQQQQQQQQQQQQQQQQQQQ .0156 QQQQQQQQQQQQQQQQQQQQQQQ

QQ ★ QQ ★ QQ ★ QQ ★ QQ ★ QQ ★

(R/L)AY

0 .04 .08 .12 .16 ( a p )

S

( f )

*1

.008 .016 .024

15°

*1: Photo shows left hand.

T

V

W

B101

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