Instruction Manual

Rotary drilling tools 11

Rock drilling buckets BU-RSC

single-start/double-start

Technical data

D NL GL Weight

[mm] [mm] [mm] [kg]

520 1500 2550 550

650 1500 2550 800

780 1500 2550 1100

900 1500 2550 1250

980 1500 2550 1750

1080 1500 2550 2000

1200 1500 2550 2700

1390 1500 2550 3300

1680 1500 2550 3900

1850 1500 2550 4500

Features

• VK 200 Kelly box made of heat-treated cast steel with

two locking pins D 60 mm.

• Hinged swivel bottom gate with quick lock. The bottom

gate can be opened manually or mechanically via a spring

loaded pin.

• A ventilation pipe prevents the formation of a vacuum during

extraction.

• Single-start up to a diameter of 1200 mm.

• Fitted with exchangeable RSC 19 round shank chisels and

rock pilot.

Application

Drilling bucket for platy, ﬁ ssured and compact rock of medium

cohesiveness. For loose soils, also compact sand and gravel

as well as cohesive soils.

Ø Casing

[mm]

620/540

750/670

880/800

1000/920

1080/1000

1180/1100

1300/1220

1500/1420

1800/1720

2000/1910

Other cutting diameters and effective lengths available on request.