JUCON

JUCON - SJ Type Under-Reaming System

Model

No. of Wing

Extended Dia.(mm)

Retracted Dia.(mm)

Over Cut(mm)

Casing

Casing Shoe I.D. D4(mm)

Hammer Size

I.D.(mm)

O.D.(mm)

Thickness (mm)

JSJ-5

2

150.0

119.0

5.1

130.8

139.8

4.5

120.0

4"

JSJ-6

2

178.0

141.0

6.4

155.2

165.2

5.0

142.0

5"

JSJ-8

3

230.0

191.0

6.8

204.7

216.3

5.8

192.0

6"

JSJ-10

3

282.0

234.0

7.3

251.8

267.4

7.8

235.5

8"

JSJ-12

3

335.0

282.0

8.3

301.7

318.5

8.4

284.0

10"

JSJ-14

3

373.0

315.0

8.7

336.6

355.6

9.5

317.0

12"

JSJ-16

4

425.0

365.0

9.3

387.4

406.4

9.5

367.0

12"

JSJ-18

4

478.0

412.0

10.4

435.0

457.2

11.1

414.0

15"

JSJ-20

3

530.0

455.0

11.0

482.6

508.0

12.7

459.0

15"

JSJ-22

4

581.0

506.0

11.1

533.4

558.8

12.7

510.0

18"

JSJ-24

4

632.0

556.0

11.2

584.2

609.6

12.7

560.0

18"

JSJ-26

3

682.0

605.0

10.8

635.0

660.4

12.7

609.0

24"

JSJ-28

4

733.0

656.0

10.9

685.8

711.2

12.7

660.0

24"

JSJ-30

4

784.0

707.0

11.0

736.6

762.0

12.7

711.0

26"

JSJ-32

4

835.0

758.0

11.1

787.4

812.8

12.7

762.0

26"

JSJ-34

4

886.0

809.0

11.2

838.2

863.6

12.7

813.0

26"

DAHIL CORP., Joytech Div.