15

*

1

*

1

*

1

177.8

(7")

7.0

(0.28")

Large bore hole

(Normal)

7.2

7.1

153

6.02"

154

6.06"

200

7.87"

200

7.87"

162

6.38"

162

6.38"

153L

Large bore hole

(Normal)

154L

UB153L-06-R-244

UB154L-06-R-260

CASING PIPE ø177.8mm (7")

DHD360

QL60

SD6

31.2
30.7
33.7

DHD360

QL60

SD6

31.0
30.5
33.5

CASING PIPE ø168.3mm (6 5/8")

CASING PIPE ø139.7mm (5 1/2")

Note 1) To order, please advise the system type, casing size / hammer size and the ring bit models.
Note 2) Special types are also available according to costomer's request.

DIMENSIONS

y

 Big Bore Type ULTRA MAXBIT / DTH

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

Single pass

for RD-pile

86

3.39"

86

3.39"

92

3.62"

137

5.39"

137

5.39"

137

5.39"

96

3.78"

96

3.78"

101.5

4.00"

114.3

(4 1/2")

139.7

(5 1/2")

168.3

(6 5/8")

8.0

(0.31")

5.6

(0.22")

10.0

(0.39")

5.6

(0.22")

12.5

(0.49")

6.3

(0.25")

5.6

(0.22")

086L

Large bore hole

(Single pass)

092L

Single pass

for RD-pile

106L

Large bore hole

(Single pass)

Single pass

for RD-pile

Large bore hole

(Single pass)

Large bore hole

(Single pass)

Large bore hole

(Single pass)

Large bore hole

(Single pass)

Large bore hole

(Single pass)

116L

Large bore hole

(Single pass)

118L

127L

141M

141M

141L

141L

143L

UB086L-03-R-222

UB086LW80R280

UB092L-03-R-229

CASING PIPE ø114.3mm (4 1/2")

Unit: mm  (Upper)

inch (Bottom)

D

4

Ring Bit I. D.

t : Wall Max.Thickness

D

3

Pilot Bit O. D.

D

2

Casing O. D.

D

1

Bit Gauge

Single Pass Model

DHD3.5

COP34
COP32

6.9
7.5
6.9

W80

7.8

W100

10.7

DHD3.5

COP34
COP32

8.6
9.2
8.6

4.8

4.8

4.4

106

4.17"

106

4.17"

116

4.57"

118

4.65"

166

6.54"

166

6.54"

161

6.34"

161

6.34"

118

4.65"

118

4.65"

127

5.00"

127

5.00"

UB106L-04-R-223

UB106LW1034R226

UB116L-04-R-230

UB118L-04-R-335

DHD340

QL40

SD4

10.7
12.0
11.8

DHD340

QL40

SD4

13.7
15.0
14.8

DHD340

QL40

SD4

14.0
15.3
15.1

7.7

7.7

5.4

5.3

W120

19.8

127

5.00"

127

5.00"

141

5.55"

141

5.55"

141

5.55"

141

5.55"

143

5.63"

195

7.68"

195

7.68"

189

7.44"

189

7.44"

189

7.44"

189

7.44"

189

7.44"

141

5.55"

141

5.55"

154

6.06"

154

6.06"

155

6.10"

155

6.10"

155

6.10"

UB127L-05-R-224

UB127LW1235R227

UB141M-05-R-247

UB141M-05-R-246

UB141L-05-R-231

UB141L-05-R-276

UB143L-05-R-336

DHD350

QL50

SD5

20.0
19.5
19.4

DHD350

QL50

SD5

24.5
24.0
23.9
24.5
24.0
23.9
24.5
24.0
23.9
24.5
24.0
23.9
25.0
24.5
24.4

DHD350

QL50

SD5

DHD350

QL50

SD5

DHD350

QL50

SD5

DHD350

QL50

SD5

9.7 

9.7 

6.7 

7.0 

6.7 

6.7 

6.6 

141L Ring set

Normal Model

*

1 Actual hammer model.