register number K.2.05 Telescopic kelly bar, three-segment type, for rotary drilling equipment
data processing short term KELLY TELESKOP 3 FACH
standard
equipment
Consisting of 3 bars with sealing strips, two telescoping segments.
Max. drilling depth with normal drilling tools in deepest bar and head position achievable without pressure pipe.
With kelly rope swivel.
register of construction equipment 1991 4347
wearing part Kelly rope swivel, build-up welding on catches and locking strips, damping springs, helical spring