Sumitomo General Catalog 2025-2026

Small Lathe Tools SCAC / SCNC

● : USA stocked item « : Worldwide Warehouse item

General Turning Screw-on

91˚

SCAC External Turning

Fig 1

LF

91˚

Figure shows right-hand (R) tool.

Holder

Parts

Dimensions (inch/ mm )

D

Applicable Inserts

Stock

Flat Screw Wrench

Cutting Edge Height HF

Cutting Edge Distance WF

Overall Length LF

Height

Width

Cat. No.

Fig

Ref. Page

R L

Cat. No.

N m

H

B

(For Torx Holes)

● ● 0.281 0.281 6.000 0.281 0.281 ● ● 0.312 0.312 6.000 0.312 0.312 ● ● 0.375 0.375 4.500 0.375 0.375 ● ● 0.375 0.375 6.000 0.375 0.375 ● ● 0.500 0.500 4.500 0.500 0.500 ● ● 0.500 0.500 6.000 0.500 0.500 ● ● 0.625 0.625 4.500 0.625 0.625 ● ● 0.625 0.625 6.000 0.625 0.625

SCAC R/L 4.5D SCAC R/L 052D SCAC R/L 062B SCAC R/L 062D SCAC R/L 083B SCAC R/L 083D SCAC R/L 103B SCAC R/L 103D SCAC R/L 0808-06 SCAC R/L 1010-06 SCAC R/L 1212-09 SCAC R/L 1616-09 SCAC R/L 2020-09

1 1 1 1 1 1 1 1 1 1 1 1

CC □□ 21.5

B72

0.9 TRD07

ST-1225

CC □□ 32.5

B75

3.0 TRD15

ST-1240

1 BFTX02506N 1.5 TRX08

8 8 100

8.5

8

«

CC □□ 21.5

B72

10 10 100 10.5 10 12 12 100 12.5 12 16 16 100 16.5 16 20 20 125 20.5 20

«« «« «« ««

CC □□ 32.5

B75

3.4 TRX15

BFTX0409N

SCNC General Turning and Proling

Fig 1

B

WF

LH

LF

H

HF

Holder

Parts

Right Hand Shown, Left Hand Opposite

Dimensions (inch/ mm )

Applicable Inserts

Stock

Flat Screw Wrench

Cutting Edge Height HF

Cutting Edge Distance WF

Head Length LH

Overall Length LF

Height

Width

Cat. No.

Fig

Ref. Page

R L

Cat. No.

N m

H

B

(For Torx Holes)

● ● 0.375 0.375 4.500 0.375 0.375 1.000 ● ● 0.375 0.375 6.000 0.375 0.375 1.000 ● ● 0.500 0.500 4.500 0.500 0.500 1.000 ● ● 0.500 0.500 4.500 0.500 0.500 1.000 ● ● 0.500 0.500 6.000 0.500 0.500 1.000 ● ● 0.625 0.625 4.500 0.625 0.625 1.000 ● ● 0.625 0.625 6.000 0.625 0.625 1.000

1 1 1 1 1 1 1

SCNC R/L 062B SCNC R/L 062D SCNC R/L 082B SCNC R/L 083B SCNC R/L 083D SCNC R/L 103B SCNC R/L 103D

CC □□ 21.5

B72

0.9 TRX08

TS25.456M2

CC □□ 32.5

B75

3.0 TRX15

TS4.710M1

Name of Chipbreaker/ CBN/PCD

EGU

Applicable Inserts PCLC / SCLC / SCAC 1st Recommended Insert

Photo Grade

AC8025P

- Refer as well to the Insert Selection Guide (page A10 ). - Depending on the insert size, some combinations cannot be made-to-order or manufactured.

Cutting Range

P (Steel)

M (Stainless Steel)

K (Cast Iron)

S (Exotic Alloy) N (Non-ferrous) H (Hardened Steel) Hard Brittle Material

High- speed Finishing

Finishing to Medium Cutting

Finishing to Medium Cutting

Medium Cutting

Medium Cutting

Medium to Roughing

Finishing

Roughing Finishing

Roughing

Coated Uncoated

-

-

Process

EMU

ELB

EGU

EMU

EFB

EGU

EMU

ESU

CBN

CBN

PCD

PCD

No Chipbreaker

CBN

General Cutting

T1500Z

AC8025P

AC8025P

AC6030M

AC6030M

AC6040M

BN7000/BNC500

AC4015K

AC4015K

AC5015S MESI

DA1000

BNC2020

BN2000

DA90

EFM

EFM

Binderless PCD

MEFF

MESI

MEFF

MESI

CBN

CBN

CBN

PCD

High Precision Recommended Cutting Conditions

-

-

AC1030U

AC1030U

AC1030U

AC1030U

AC1030U

AC1030U

BN7000/BNC500

AC5015S

BNC2010

BN1000

NPD10

DA1000

A10 on

A14 on

A16 on

A18 on

A22 on

A20 on

M2 on

BNC500 is for ductile cast iron.

N m Recommended Tightening Torque (N·m)

D28

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