Inner opener bits

Crown opener bits

External pipe

Internal

pipe

Internal/External

pipe adapter

Small/Big adapter

133系列 133 Overburden Drilling

(mm)

Diameter

ø 142

ø 102

ø133

Ø76(ø73)

Ø75 / ø133

Ø75 /ø133

(mm)

Length

-

-

2000

2000

250 / 300

350

Thread

R122-2/3

R56

R122-2/3

R56

R56 / R122-2/3