Sumitomo General Catalog 2025-2026

External Holders STGC / STJC / STTC

S Style Mini Holder - General Turning and Profiling Screw-on

91˚

External Turning STGC External Turning STGC

Fig 1

Fig 1

Figure shows right-hand (R) tool.

Figure shows right-hand (R) tool.

LH

LH

LF

LF

Holder

Parts 

Dimensions (inch)

C

Insert Screw

Shim Wrench

Shim Screw

Cutting Edge Height

Applicable Insert

Stock

Shim

Overall Length

Cutting Edge

Height Width

Head

Cat. No.

Fig

Ref. Page

R L

Cat. No.

N m

H B LFWFHFLH

(For Hex Socket)

STGC R/L 062 STGC R/L 082 STGC R/L 103

« « 0.375 0.375 2.500 0.500 0.375 0.500 « « 0.500 0.500 3.500 0.625 0.500 0.560 « « 0.625 0.625 4.000 0.750 0.625 1.000

1 1 1 1 1

TC □□ 21.5 □ B104

ST-1225

0.9

TRD07

TC □□ 32.5 □ B106

STGC R/L 123B « « 0.750 0.750 4.500 1.000 0.750 1.000 STGC R/L 163D « « 1.000 1.000 6.000 1.250 1.000 1.250

3.0 SH-3414 ST1335

TRD15 ST-1750

External Turning and Facing STJC External Turning and Facing

Fig 1

Fig 1

LH

Figure shows right-hand (R) tool.

LH

C

Figure shows right-hand (R) tool.

LF

LF

Holder

Parts

Dimensions (inch)

Stock

Flat Screw Wrench

Applicable Inserts

Cutting Edge Distance WF

Cutting Edge Height HF

Overall Length LF

Height H

Width B

Head LH

D

Ref. Page

Cat. No.

Fig

R L

Cat. No.

(For Torx Holes)

External / Chamfering STTC STJC R/L 102D External / Chamfering STJC R/L 062D STJC R/L 082D

l l 0.375 0.375 6.000 0.375 0.375 0.625 l l 0.500 0.500 6.000 0.500 0.500 0.625 l l 0.625 0.625 6.000 0.625 0.625 0.625

1 1

TC □□ 21.5

B104

ST-1225

TRD07

R

Fig 1

Fig 1

S

Figure shows right-hand (R) tool.

LH

Figure shows right-hand (R) tool.

LF LH

LF

Holder

Parts 

Dimensions (inch)

T

Insert Screw

Shim Wrench

Shim Screw

Cutting Edge Height

Applicable Insert

Stock

Shim

Overall Length

Cutting Edge

Height Width

Head

Cat. No.

Fig

Ref. Page

R L

Cat. No.

N m

H B LFWFHFLH

V

(For Hex Socket)

STTC R/L 123D l « 0.750 0.750 4.500 0.718 0.750 1.000 STTC R/L 163D « « 1.000 1.000 6.000 0.860 1.000 1.000

1 3.0 SH-3414 ST-1335 TRD15 ST-1750

TC □□ 32.5 □ B106

1

Applicable Inserts STGC / STJC / STTC

W

Name of Chipbreaker/ CBN/PCD

EGU

1st Recommended Insert ● Refer as well to the Insert Selection Guide (page A10).

Photo Grade

● Depending on the insert size, some combinations cannot be made-to-order or manufactured.

AC8025P

Application Range

P (Steel)

M (Stainless Steel)

K (Cast Iron)

N (Non-Ferrous)

Finishing to Medium Cutting

Medium Cutting

Medium Cutting

Medium to Roughing

Finishing

Roughing Finishing

Roughing

Process

ESU

ESU

ESU

EMU

ELU

ELB

No Chipbreaker

PCD

ESU AC8025P

General Machining

T1500Z

AC8025P

AC6030M

AC6030M

AC6040M

AC4015K

AC4015K

DA1000

MESI

MEFF

MESI

EFM

MEFF

EFM

PCD

High- precision Recommended Cutting Conditions

Q Q

AC1030U

AC1030U

AC1030U

AC1030U

AC1030U

AC1030U

DA1000

A10~

A14~

A16~

A22~

l = USA Stocked Item

 = World Wide Warehouse Item

N m Recommended Tightening Torque (N·m)

C40

Made with FlippingBook flipbook maker