7

CASING PIPE ø244.5mm (9 5/8")

CASING PIPE ø244.0mm (9 39/64")

Casing Pipe

Ring Bit

Pilot Bit

Wall Max.

Thickness

Type

Model

Compatible

Part

System Part

Number

Outer

Dia.

Inner

Dia.

Hammer

Weight

(kg)

Weight

(kg)

Ri

n

g S

e

t

(R

in

g B

it &

Ca

sing

 Shoe

)

D

2

D

4

Outer

Dia.

D

1

Outer

Dia.

D

3

t

241.8

(9 33/64")

8.0

(0.31")

244.5

(9 5/8")

13.8

(0.54")

12.7

(0.50")

6.0

(0.24")

244.0

(9 39/64")

10.0

(0.39")

6.2

(0.24")

Single pass

Normal

Multi use

Normal

12.8

13.0

13.5

13.3

200A Pilot bit

200A Pilot bit

200

7.87"

200

7.87"

200

7.87"

200

7.87"

200

7.87"

200

7.87"

200

7.87"

200

7.87"

257

10.12"

257

10.12"

257

10.12"

257

10.12"

257

10.12"

257

10.12"

257

10.12"

257

10.12"

223.5

8.80"

223.5

8.80"

223.5

8.80"

223.5

8.80"

223.5

8.80"

223.5

8.80"

223.5

8.80"

223.5

8.80"

200A

200A

200W

200B

US200A-06-R-396

US200A-08-R-063

UN200A-06-R-397

UN200A-08-R-064

UM200W-06-R-398

UM200W-08-R-399

UN200B-06-R-400

UN200B-08-R-401

CASING PIPE ø241.8mm (9 33/64")

Unit: mm  (Upper)

inch (Bottom)

DHD360

QL60

SD6

DHD380

QL80

SD8

DHD360

QL60

SD6

DHD380

QL80

SD8

DHD360

QL60

SD6

DHD380

QL80

SD8

DHD360

QL60

SD6

DHD380

QL80

SD8

64.5
64.0
67.0
76.5
76.1
69.7
64.5
64.0
67.0
76.5
76.1
69.7
64.5
64.0
67.0
76.5
76.1
69.7
64.5
64.0
67.0
76.5
76.1
69.7

Single pass

13.3

194

7.64"

257

10.12"

221

8.70"

194A

US194A-06-R-182

DHD360

QL60

SD6

59.0
58.5
61.5

Single pass

Normal

Multi use

Single pass

Normal

Multi use

Single pass

14.5

14.6

12.8

14.8

14.9

13.9

13.2

190

7.48"

190

7.48"

190

7.48"

190

7.48"

190

7.48"

190

7.48"

190

7.48"

190

7.48"

190

7.48"

190

7.48"

190

7.48"

190

7.48"

201

7.91"

257

10.12"

257

10.12"

257

10.12"

257

10.12"

253

9.96"

253

9.96"

257

10.12"

257

10.12"

257

10.12"

257

10.12"

253

9.96"

253

9.96"

257

10.12"

214

8.43"

214

8.43"

214

8.43"

214

8.43"

214

8.43"

214

8.43"

214

8.43"

214

8.43"

214

8.43"

214

8.43"

214

8.43"

214

8.43"

228

8.98"

190C

190C

190W

190D

190D

190X

201A

US190C-08-R-319

US190C-06-R-316

UN190C-08-R-320

UN190C-06-R-317

UM190W-08-R-321

UM190W-06-R-318

US190D-08-R-402

US190D-06-R-403

UN190D-08-R-404

UN190D-06-R-405

UM190X-08-R-406

UM190X-06-R-407

US201A-08-R-302

DHD380

QL80

SD8

DHD360

QL60

SD6

DHD380

QL80

SD8

DHD360

QL60

SD6

DHD380

QL80

SD8

DHD380

QL80

SD8

DHD380

QL80

SD8

DHD360

QL60

SD6

DHD380

QL80

SD8

DHD360

QL60

SD6

DHD380

QL80

SD8

DHD360

QL60

SD6

DHD380

QL80

SD8

71.2
70.8
64.4
58.0
57.5
60.5
71.2
70.8
64.4
58.0
57.5
60.5
71.2
70.8
64.4
58.0
57.5
60.5
71.2
70.8
64.4
58.0
57.5
60.5
71.2
70.8
64.4
58.0
57.5
60.5
71.2
70.8
64.4
58.0
57.5
60.5
78.9
78.5
72.1

190C Pilot bit

190C Pilot bit

190C Pilot bit

190C Ring bit

190C Pilot bit

190C Ring bit

190C Pilot bit

190C Ring bit

190C Pilot bit

190C Ring bit

190C Pilot bit

190C Pilot bit

200A Pilot bit

200A Ring bit

200A Pilot bit

200A Ring bit

Note 1) Normal model enables to be re-used in case of short hole drilling.

Note 2) To order, please advise the system type, casing size / hammer size and the ring bit models.

Note 3) Special types are also available according to costomer's request.

DIMENSIONS

y

 Standard Type ULTRA MAXBIT / DTH