1

3.41"

3.43"

2.76"

3.46"

70

88

86.7

87.2

1.0

1.6

2.2

3.5

8.46"

8.46"

1.83"

2.46"

46.5

62.5

215

215

1.35

2.6

3.0

5.7

3.23"

3.23"

2.38"

1.50"

3.00"

60.5

76.3

38

82

82

0.6

0.9

1.3

6.30"

160

0.7

1.5

2.13"

54

6.81"

173

2.2

4.8

2.13"

54

7.09"

180

2.1

4.6

2.36"

60

7.44"

16.93"

189

430

2.8

3.8

8.4

6.2

2.0

mm

Outer

Dia.

Wall Max.

Thickness

Outer

Dia.

Wall Max.

Thickness

Outer

Dia.

Wall Max.

Thickness

in.

mm

in.

kg

lb

kg

lb

kg

lb

kg

lb

kg

lb

kg

lb

kg

lb

mm

(3 pcs)

Spring pin

Casing Pipe (User’s )

in.

mm

in.

mm

in.

mm

in.

mm

in.

mm

in.

mm

in.

mm

in.

mm

in.

mm

in.

3050

14.431.7

10'

EH28M28-3050L

Hex.28

3660

4000

17.2

18.9

37.8

41.6

12'

13'31"

EH28M28-3660L

EH28M28-4000L

Hex.28

Hex.28

D

D

L

L

Hex.28

L

T28

T28

T28

T28

T28

D

D

L

L

Hex.28

L

T28

T38

(R38,T45)

Weight

MC50P70BBC795

MC65P88BBC705

MC50M28-794

MC65M28-704

MC50TOP-796

MC65TOP-706

Part No.

Shank  Adapter

Casing Pipe

Single Pass Bit

Gauge Dia. (D)

Length (L)

Weight

Part No.

Shank Device

Guide Dia. (D)

Length (L)

60.5

(2.38")

76.3

(3.00")

5.5

(0.22")

5.2

(0.20

")

Casing Pipe

60.5

(2.38")

76.3

(3.00")

5.5

(0.22")

5.2

(0.20

")

Casing Pipe

60.5

(2.38")

76.3

(3.00")

5.5

(0.22")

5.2

(0.20

")

CR38M28AG

CM38M28AG

CM45M28AG

CM28AG

RW-H28

Casing Shoe

Hex.28

Body Section

Body Section

Weight

Part No.

Extension Rod

Coupling Sleeve

Crossover Coupling 

Outer Dia. (D)

Length (L)

Weight

Part No.

Length (L)

Weight

Part No.

Outer Dia. (D)

Length (L)

Length (L)

Length (L)

Weight

Part No.

Part No.

Outer Dia. (D)

Weight

Rod Wrench

(Spring Pin: Φ6x25 )

(Spring Pin: Φ6x32)

STANDARD 2" & 2.5" MCB SYSTEM ( For Face Bolting)

L

D

z

z

x

x

c

c

v

v

v

b

b

n

n