Characteristic features:

•  Flush drill string

•  Interchangeable conical bolts

•  Variable lengths

Casing drive adapters transfer the torque from the rotary drive to the casing string. Two types of bolt connection systems with the casing string are available:

•  Mechanical connection (bolts are fitted manually by rig operator)

•  Automatic connection (hydraulically operated locking system)

Casing shoes are key components of a casing string, especially when working in hard soil conditions or when constructing bored pile walls. Casing shoes are available either with a welded cutting ring fitted with weld-on teeth or as a cutting ring equipped with replaceable blocks.

Special features:

•  Optimal cutting properties with ideal lateral cutting capability both inside and outside

•  Excellent material flow at the teeth / long service life

•  Easy on-site maintenance