Sumitomo General Catalog 2025-2026

Small Diameter Cut-Off Tool Holders SCT

Insert Mounting Status and Dimensions (Figure shows insert with chipbreaker) Holder Feed Direction For Right-handed Holder (SCTR)

For Left-handed Holder (SCTL)

Insert Cat. No.

CTR ○○ R

CTR ○○ N

CTR ○○ L

CTL ○○ R

CTL ○○ N

CTL ○○ L

: =20°

: =20°

: =20°

: =20°

2-RE

: = 20°

2-RE

: = 20°

RE

RE

CW

CW

L

L

F

RE

: = 20°

55°

RE

55°

: = 20°

Inserts (For Right-handed Holders) (

Coated Carbide) 

Dimensions ( mm )

Width of Cut

Nose Radius

Overall Length

Thickness

Max. Cut-off Dia.

Cat. No.

Chipbreaker Applicable Holder

CW RE

L

S

R N L R N L      

CTR 050505 R/N/L CTR 050500 R/N/L CTR 121005 R/N/L CTR 121505 R/N/L CTR 122005 R/N/L CTR 121000 R/N/L CTR 121500 R/N/L CTR 122000 R/N/L CTR 161005 R/N/L CTR 161505 R/N/L CTR 162005 R/N/L CTR 161000 R/N/L CTR 161500 R/N/L CTR 162000 R/N/L

5 5

0.5 0.5 1.0 1.5 2.0 1.0 1.5 2.0 1.0 1.5 2.0 1.0 1.5 2.0 0.5 1.0 1.5 2.0 1.0 1.5 2.0

0.05

19

7

Yes

0

   

SCT R08 SCT R10 SCT R12

12 12 12 12 12 12 16 16 16 16 16 16

           

0.05

SCT R1010 SCT R1212 SCT R1616

               

19

7

Yes

0

0.05

   

SCT R1010-16 SCT R1212-16 SCT R1616-16

     

23.1

8.3

Yes

0

   

     

CTR 050500 R/N/L-NB CTR 121000 R/N/L-NB CTR 121500 R/N/L-NB CTR 122000 R/N/L-NB CTR 161000 R/N/L-NB CTR 161500 R/N/L-NB CTR 162000 R/N/L-NB

5

0

19

7

No SCT R08 SCT R10 SCT R12

12 12 12 16 16 16

     

SCT R1010 SCT R1212 SCT R1616

0

19

7

No

SCT R1010-16 SCT R1212-16 SCT R1616-16

0

23.1

8.3

No

 

Inserts (For Left-handed Holders) (

Coated Carbide) 

Dimensions ( mm )

Width of Cut

Nose Radius

Overall Length

Thickness

Max. Cut-off Dia.

Cat. No.

Chipbreaker Applicable Holder

CW RE

L

S

R N L R N L                    

CTL 050505 R/N/L CTL 050500 R/N/L CTL 121005 R/N/L CTL 121505 R/N/L CTL 122005 R/N/L CTL 121000 R/N/L CTL 121500 R/N/L CTL 122000 R/N/L CTL 161005 R/N/L CTL 161505 R/N/L CTL 162005 R/N/L CTL 161000 R/N/L CTL 161500 R/N/L CTL 162000 R/N/L

5 5

0.5 0.5 1.0 1.5 2.0 1.0 1.5 2.0 1.0 1.5 2.0 1.0 1.5 2.0 0.5 1.0 1.5 2.0 1.0 1.5 2.0

0.05

19

7

Yes

0

SCT L08 SCT L10 SCT L12

12 12 12 12 12 12 16 16 16 16 16 16

0.05

SCT L1010 SCT L1212 SCT L1616

               

19

7

Yes

0

0.05

   

SCT L1010-16 SCT L1212-16 SCT L1616-16

     

23.1

8.3

Yes

0

       

CTL 050500 R/N/L-NB CTL 121000 R/N/L-NB CTL 121500 R/N/L-NB CTL 122000 R/N/L-NB CTL 161000 R/N/L-NB CTL 161500 R/N/L-NB CTL 162000 R/N/L-NB

5

0

19

7

No SCT L08 SCT L10 SCT L12

12 12 12 16 16 16

SCT L1010 SCT L1212 SCT L1616

0

19

7

No

SCT L1010-16 SCT L1212-16 SCT L1616-16

0

23.1

8.3

No

F67

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