Sumitomo General Catalog 2025-2026

External Holders SRDC / SRGC / SRSC

70 Holder - General Turning and Profiling Screw-on

External / Proling SRDC

Fig 1

LH

LF

C

Holder

Parts 

Dimensions (inch)

Shim Screw

Shim Wrench

Clamp Screw

Cutting Edge Height

Applicable Insert

Shim

Overall Length

Cutting Edge

Height Width

Head

Cat. No.

Fig

Ref. Page

Cat. No.

N m

H B LFWFHFLH

SRDCN164D SRDCN204D

l 1.000 1.000 6.00 0.736 1.000 1.000  1.250 1.250 6.00 0.861 1.250 1.000

1 1

RC □□ 1204

B90

3.0

SH-3814 ST-1335 TRD15 ST-1750

70 Holder - General Turning and Profiling Screw-on

External / Proling SRGC

Fig 1

C

LF

D

Figure shows right-hand (R) tool.

Holder

Parts 

Dimensions (inch)

Shim Screw

Shim Wrench

Clamp Screw

Cutting Edge Height

Applicable Insert

Stock

Shim

Overall Length

Cutting Edge

Height Width

Head

R

Cat. No.

Fig

Ref. Page

R L

Cat. No.

N m

H B LFWFHFLH

SRGC R/L 164D   1.000 1.000 6.00 1.250 1.000 - SRGC R/L 854D   1.250 1.000 6.00 1.250 1.250 - SRGC R/L 204D   1.250 1.250 6.00 1.500 1.250 -

1 3.0 SH-3814 ST-1335 TRD15 ST-1750 1

S

RC □□ 1204

B90

1

T

70 Holder - General Turning and Profiling Screw-on

External Turning SRSC

Fig 1

V

LH

Figure shows right-hand (R) tool.

W

LF

Holder

Parts 

Dimensions (inch)

Shim Screw

Shim Wrench

Clamp 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

SRSC R/L 124B   0.750 0.750 4.50 1.000 0.750 0.750 SRSC R/L 164D   1.000 1.000 6.00 1.250 1.000 1.000 SRSC R/L 204D   1.250 1.250 6.00 1.500 1.250 1.000

1 3.0 SH-3814 ST-1335 TRD15 ST-1750 1

RC □□ 1204 B90

1

l = USA Stocked Item  = World Wide Warehouse Item

N m Recommended Tightening Torque (N·m)

C37

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