17

t : Wall Max. Thickness

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

DIMENSIONS

y

 Top Hammer Type ULTRA MAXBIT / Top Hammer

Casing Pipe

Ring Bit

Pilot Bit

Wall Max.

Thickness

Type

Model

Compatible

Part

System Part

Number

Outer

Dia.

Inner

Dia.

Thread

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

R32

1.8

2.3

42

1.65"

86

3.39"

58.5

2.30"

76.3

(3")

8.0

(0.31")

042A

UT042AR32BBL370

Single pass

Single pass

Single pass

Single pass

Single pass

Single pass

Single pass

Single pass

Single pass

T38

T38

T38

T38

T38

T38

T38

T38

T38

3.3

3.3

3.3

3.3

3.3

3.3

3.5

3.6

3.5

2.9

3.1

2.9

3.1

3.0

3.2

2.4

2.6

2.6

050A Ring bit

050B Pilot bit

050B Pilot bit

050B Ring bit

050B Pilot bit

050A Ring bit

050B Pilot bit

050B Ring bit

056A Ring bit

50

1.97"

50

1.97"

50

1.97"

50

1.97"

50

1.97"

50

1.97"

56

2.20"

56

2.20"

56

2.20"

95

3.74"

100

3.94"

95

3.74"

100

3.94"

95

3.74"

100

3.94"

100

3.94"

100

3.94"

100

3.94"

67.5

2.66"

67.5

2.66"

67.5

2.66"

67.5

2.66"

67.5

2.66"

67.5

2.66"

73.5

2.89"

74

2.91"

78

3.07"

9.5

(0.37")

8.0

(0.31")

7.0

(0.28")

6.35

(0.25")

4.0

(0.16")

050B

050B

050A

050A

050C

050C

056E

056B

056A

88.9

(3 1/2")

UT050BM38BBL304

UT050BM38BBL168

UT050AM38BBL323

UT050AM38BBL324

UT050CM38BBL305

UT050CM38BBL303

UT056EM38BBL268

UT056BM38BBL140

UT056AM38BBL133

CASING PIPE ø76.3mm (3")

CASING PIPE ø88.9mm (3 1/2")

Unit: mm  (Upper)

inch (Bottom)

CASING PIPE ø101.6mm (4")

Single pass

Single pass

Single pass

Single pass

Single pass

T38

T38

T38

T38

T38

4.5

4.6

4.6

4.6

5.3

4.0

4.0

4.1

4.2

3.6

60

2.36"

60

2.36"

60

2.36"

60

2.36"

65

2.56"

114

4.49"

114

4.49"

114

4.49"

114

4.49"

114

4.49"

79

3.11"

81

3.19"

81

3.19"

81

3.19"

85

3.35"

101.6

(4")

10.0

(0.39")

9.5

(0.37")

8.0

(0.31")

7.0

(0.28")

060D

060A

060B

060C

065A

UT060DM38BBL359

UT060AM38BBL306

UT060BM38BBL307

UT060CM38BBL325

UT065AM38BBL269

060A Pilot bit

060A Pilot bit

060A Ring bit

060A Pilot bit

060A Ring bit

D

2

Casing O. D.

D

4

Ring Bit I. D.

D

3

Pilot Bit O. D.

D

1

Bit Gauge

Single Pass Model