Turning Tool Accessories, Offset Tool Holder


Complete Roller Backrests



Roller backrests can be used advantageously for many support applications where carbide backrests are not satisfactory. Precision rollers and pins rotate freely and give sturdy support on even the heaviest cuts.
*Roller and pin sets consist of 2 rolls and 2 pins.

Size

Part No.

TT00-RBR

Cat. No.

TT1-RBR

Cat. No.

TT2-RBR

Cat. No.

1. Roller and Pin Sets*

TT00RBR-1

TT1RBR-1

TT2RBR-1

2. Roller Shank

TT00RBR-2

TT1RBR-2

TT2RBR-2

3. Roller Clamp

TT00RBR-3

TT1RBR-3

TT2RBR-3

4. Clamp Screw

TT00-5

TT1-5

TT2-5

SHANK DIA.

SIZE

CAT. NO.

MIN. DIA. THAT
CAN BE TURNED

1/2"

TT00

TT00-RBR

1/8"

3/4"

TT1

TT1-RBR

1/8"

1"

TT2

TT2-RBR

3/16"


Complete Carbide Backrests



The extremely hard surface of the carbide backrests will not pick up metal or mar the surface of the work with scratches or blisters.

The completed carbide backrest consists of the following assembly of parts:
1 No. 4 Backrest holder
2 No. 7 Tool adjusting screws
1 No. 9 Carbide backrest
1 No. 10 Rocker shoe

SHANK DIA.

SIZE

CAT. NO.

MIN. DIA. THAT
CAN BE TURNED

1/2"

TT00

TT00-CBR

1/16"

3/4"

TT1

TT1-CBR

1/16"

1"

TT2

TT2-CBR

1/16"


Complete Angular Cutter Holders



The complete angular cutter holder consists of the following assembly of parts:
1 No. 3 Angular cutter holder
2 No. 7 Tool adjust screws
1 No. 8 Cutting tool
1 No. 10 Rocker shoe

SHANK DIA.

SIZE

CAT. NO.

1/2"

TT00

TT00-ACH

3/4"

TT1

TT1-ACH

1"

TT2

TT2-ACH


Complete Straight Cutter Holders



The complete straight cutter holder consists of the following assembly of parts:
1 No. 11 Straight cutter holder
1 No. 8 Cutting tool
1 No. 13 Set Screw for straight holder
1 No. 14 Binder pin for straight holder

SHANK DIA.

SIZE

CAT. NO.

1/2"

TT00

TT00-SCH

3/4"

TT1

TT1-SCH

1"

TT2

TT2-SCH


Offset Tool Holder





FOR CNC LATHES TOO!

With Roller Backrest*

With Carbide Backrest*

With Angular Cutting Holder*

With Straight Cutter Holder*

May be used for either right or left hand operations as:
  • Carbide Backrest for Turret
  • Roller Backrest for Turret
  • Knee Tool
  • Drill and Chamfer Tool
  • Drill and Turn Tool
  • Center and Face Tool
When used in conjunction with standard Somma R & L turning tool attachments as shown below.

FEATURES
  • Precision ground-Shank and holes are ground for perfect alignment
  • Versatile-Attachments can be moved forward or back in holder to work on any area of part.
  • No drill pushback-Adjustable drill stop screw in shank

TOOL NO.

OTH00

OTH1

OTH2

A

5/8

3/4

1"

B

1-1/2

2"

2"

C

1/2

3/4

1"

D

3/8

1/2

11/16

E

1/2

5/8

1"

F

9/16

3/4

7/8

G

11/16

7/8

1-1/8

H

1-11/16

2-3/16

3"

J

13/16

1"

1-5/16