Duo Boring Bars - Modular Type
Modular Type Duo Boring Bar for TC..Inserts
Specification Chart
All dimensions are in mm.
Fig. No. Sr. No. Item Code Cartridge Item Code Extension Item Code Ød Insert D (Ømin - Ømax) Lm Max Working Length

Fig 1

1

RT DUO MT 20-24

CART DUO T 20-24

NA

25

TC..0902

20-24

80

80

Fig 1

2

RT DUO MT 24-30

CART DUO T 24-30

NA

25

TC..0902

24-30

80

80

3

RT DUO MT 29-36

CART DUO T 29-36

NA

25

TC..1102

29-36

87

87

4

RT DUO MT 36-44

CART DUO T 36-44

NA

25

TC..1102

36-44

108

108

5

RT DUO MT 43-54

CART DUO T 43-54

EXT DUO 4025/7025

25

TC..1102

43-54

115

215

Fig 3

6

RT DUO MT 53-66

CART DUO T 53-66

EXT DUO 4025/7025

25

TC..1102

53-66

120

220

7

RT DUO MT 65-83

CART DUO T 65-83

EXT DUO 4040/7040

40

TC..16T3

65-83

155

275

Fig 4

8

RT DUO MT 82-103

CART DUO T 82-103

EXT DUO 4040/7040

40

TC..16T3

82-103

206

326

9

RT DUO MT 100-130

CART DUO T 100-130

EXT DUO 4040/7040

40

TC..16T3

100-130

210

330

10

RT DUO MT 125-155

CART DUO T 125-155

EXT DUO 4040/7040

40

TC..16T3

125-155

273

393

11

RT DUO MT 150-205

CART DUO T 150-205

EXT DUO 4040/7040

40

TC..16T3

150-205

273

393

Notes
  •   For range 20-24, boring bar has one single cartridge only. For others, there are two cartridges.
  •   Extension not applicable for range 20mm to 44mm. For others, applicable extensions to be ordered separately.
  •   All required spares are supplied with the tools. If required additionally, can be ordered separately as well. Inserts not included.
  •   ‘Maximum Working Length’ includes maximum extension possible along with adaptor working length. i.e. after complete assembly.
  •   To order the right extension, please ensure that the shank diameter of Boring Head ‘Ød’ should match the diameter of Extension ID ‘Øde’.
  •   To order the right adaptor, please ensure that the shank diameter of Boring Head ‘Ød’ should match the diameter of Adaptor ID ‘ØdA’.
  •   Lead time of 2-3 weeks for all options.
  •   Customized boring bars for special diameters can also be provided but will be made to order with lead time of 3-6 weeks.
  •   Diameter range “D” calculated considering 0.8mm insert nose radius.
  •   Please refer the table below these notes for the spare details.
Spare Details
Sr. No. Insert Insert Screw Torx

1

TC.. 0902

M2.2

T-6

2

TC..1102

M2.5

T-7

3

TC..16T3

M3.5

T-15

Modular Type Duo Boring Bar for CC..Inserts
Specification Chart
All dimensions are in mm.
Fig. No. Sr. No. Item Code Cartridge Item Code Extension Item Code Ød Insert D (Ømin - Ømax) Lm Max Working Length

Fig 1

1

RT DUO MC 20-24

CART DUO C 20-24

NA

25

CC..0602

20-24

80

80

Fig 2

2

RT DUO MC 24-30

CART DUO C 24-30

NA

25

CC..0602

24-30

80

80

3

RT DUO MC 29-36

CART DUO C 29-36

NA

25

CC..0602

29-36

87

87

4

RT DUO MC 36-44

CART DUO C 36-44

NA

25

CC..0602

36-44

108

108

5

RT DUO MC 43-54

CART DUO C 43-54

EXT DUO 4025/7025

25

CC..09T3

43-54

115

215

Fig 3

6

RT DUO MC 53-66

CART DUO C 53-66

EXT DUO 4025/7025

25

CC..09T3

53-66

120

220

7

RT DUO MC 65-83

CART DUO C 65-83

EXT DUO 4040/7040

40

CC..09T3

65-83

155

275

Fig 4

8

RT DUO MC 82-103

CART DUO C 82-103

EXT DUO 4040/7040

40

CC..09T3

82-103

206

326

9

RT DUO MC 100-130

CART DUO C 100-130

EXT DUO 4040/7040

40

CC..09T3

100-130

210

330

10

RT DUO MC 125-155

CART DUO C 125-155

EXT DUO 4040/7040

40

CC..1204

125-155

273

393

11

RT DUO MC 150-205

CART DUO C 150-205

EXT DUO 4040/7040

40

CC..1204

150-205

273

393

Notes
  •   For range 20-24, boring bar has one single cartridge only. For others, there are two cartridges.
  •   Extension not applicable for range 20mm to 44mm. For others, applicable extensions to be ordered separately.
  •   All required spares are supplied with the tools. If required additionally, can be ordered separately as well. Inserts not included.
  •   ‘Maximum Working Length’ includes maximum extension possible along with adaptor working length. i.e. after complete assembly.
  •   To order the right extension, please ensure that the shank diameter of Boring Head ‘Ød’ should match the diameter of Extension ID ‘Øde’.
  •   To order the right adaptor, please ensure that the shank diameter of Boring Head ‘Ød’ should match the diameter of Adaptor ID ‘ØdA’.
  •   Lead time of 2-3 weeks for all options.
  •   Customized boring bars for special diameters can also be provided but will be made to order with lead time of 3-6 weeks.
  •   Diameter range “D” calculated considering 0.8mm insert nose radius.
  •   Please refer the table below these notes for the spare details.
Spare Details
Sr. No. Insert Insert Screw Torx

1

CC..0602

M2.5

T-7

2

CC..09T3

M3.5

T-7

3

CC..1204

M4.5

T-20

Extension Details for Modular Type Duo Boring Bar
Nomenclature Code Key for Ordering Extension
Specification Chart
All dimensions are in mm.
Sr. No. Item No. Working Length of Extension (Le) Øde ØDe

1

EXT DUO 4025

40

25

25

2

EXT DUO 7025

70

25

25

3

EXT DUO 4040

40

40

40

4

EXT DUO 7040

70

40

40

Notes
  •   To order the right extension, please ensure that the shank diameter of Boring Head ‘Ød’ should match the diameter of Extension ID ‘Øde’.
  •   To order the right adaptor, please ensure that the shank diameter of Extension ‘Øde’ should match the diameter of Adaptor ID ‘ØdA’.
Adaptor Details for Modular Type Duo Boring Bar
Nomenclature Code Key for Ordering Adaptor
Specification Chart
All dimensions are in mm.
Sr. No. Item Code Spindle Taper Adaptor ID ØdA LA GPL of Adaptor Adaptor Bolt Item Code Stock

1

ADP BT40 25

BT 40

25

30

57.0

RTABM825

2

ADP BT40 40

BT 40

40

50

77.0

RTABM840

3

ADP BT50 25

BT 50

25

30

68.0

RTABM825

4

ADP BT50 40

BT 50

40

50

88.0

RTABM840

5

ADP BBT40 25

BBT 40

25

30

55.0

RTABM825

6

ADP BBT40 40

BBT 40

40

50

75.0

RTABM840

7

ADP BBT50 25

BBT 50

25

30

65.0

RTABM825

8

ADP BBT50 40

BBT 50

40

50

85.0

RTABM840

9

ADP SK40 25

SK 40

25

30

49.1

RTABM825

10

ADP SK40 40

SK 40

40

50

69.1

RTABM840

11

ADP SK50 25

SK 50

25

30

49.1

RTABM825

12

ADP SK50 40

SK 50

40

50

69.1

RTABM840

13

ADP ISO40 25

ISO 40

25

30

40.0

RTABM825

14

ADP ISO40 40

ISO 40

40

50

60.0

RTABM840

15

ADP ISO50 25

ISO 50

25

30

42.0

RTABM825

16

ADP ISO50 40

ISO 50

40

50

62.0

RTABM840

17

ADP ISO60 25

ISO 60

25

30

46.0

RTABM825

18

ADP ISO60 40

ISO 60

40

50

66.0

RTABM840

19

ADP HSKA50 25

HSKA 50

25

30

56.0

RTABM825

20

ADP HSKA50 40

HSKA 50

40

50

76.0

RTABM840

21

ADP HSKA63 25

HSKA 63

25

30

56.0

RTABM825

22

ADP HSKA63 40

HSKA 63

40

50

76.0

RTABM840

23

ADP HSKA80 25

HSKA 80

25

30

56.0

RTABM825

24

ADP HSKA80 40

HSKA 80

40

50

76.0

RTABM840

25

ADP HSKA100 25

HSKA 100

25

30

59.0

RTABM825

26

ADP HSKA100 40

HSKA 100

40

50

79.0

RTABM840

Notes
  •   To order the right adaptor, kindly ensure that the shank diameter of Boring Head ‘Ød’ or of Extension ID ‘Øde’ should match the diameter of Adaptor ID ‘ØdA’.
  •   Special Adaptor bolt will be provided along with the Adaptors. Can be ordered separately if required additionally.
  •   Customized adaptors of any spindle taper can also be provided but will be made to order with lead time of 3-6 weeks.
  •   In the above table, denotes ready in stock and denotes lead time of 2-3 weeks.