Rotary drilling tools

2 Rotary drilling tools

Table of contents Augers single-start/double-start with flat teeth Rock augers double-start without pilot double-start with flat teeth with reamer with weld-on blocks with round shank chisels Drilling buckets Drilling buckets Rock drilling buckets Core barrels Core barrels Casing drivers Casing drivers adapter plate Casing drivers Bottom casing sections cutting shoe Tremie pipes Charging funnel Foot section Tremie pipes Suspension jig Lifting cap Wear parts for drilling tools Flat teeth Round shank chisels Weld-on blocks Pilots Kelly pins Casing screw connections Wear protection Rotary drilling...

Technical data Other cutting diameters and effective lengths available on request. • VK 200 Kelly box made of heat-treated cast steel with two locking pins D 60 mm. Auger for loose soils such as sand and gravel as well as for cohesive soils. • Auger flight thickness of 30 mm. • Wear protection at the auger body made of highly wearresistant and easily exchangeable composite armour plate. • Single-start up to a diameter of 1200 mm. • Equipped with exchangeable FT 80 flat teeth and fishtail pilot.

Rock augers Technical data Other cutting diameters and effective lengths available on request. • VK 200 Kelly box made of heat-treated cast steel with two locking pins D 60 mm. Single-start auger also suitable for platy, fissured and compact rock of low cohesiveness. • Auger flight thickness of 30 mm, two-layered in the cutting section. • Wear protection at the auger body made of highly wearresistant and easily exchangeable composite armour plate. • Cutting edge made of fine grained high-strength steel with holes for mounting the RSC 19 round shank chisels. • A RSC 19 round shank chisel in interchangeable...

Rock augers Technical data Other cutting diameters and effective lengths available on request. • VK 200 Kelly box made of heat-treated cast steel with two locking pins D 60 mm. Double-start auger also suitable for platy, fissured and compact rock of medium cohesiveness. • Auger flight thickness of 30 mm, two-layered in the cutting section. • Wear protection at the auger body made of highly wearresistant and easily exchangeable composite armour plate. • Cutting edge made of fine grained high-strength steel with holes for mounting the RSC 19 round shank chisels. • Two round shank chisels in interchangeable...

Rock augers double-start, without pilot Technical data Other cutting diameters and effective lengths available on request. • VK 200 Kelly box made of heat-treated cast steel with two locking pins D 60 mm. Double-start auger for granular and rocky soil, platy, fissured rock and compact rock of medium cohesiveness. • Auger flight thickness of 30 mm, two-layered in the cutting section. • Wear protection at the auger body made of highly wearresistant and easily exchangeable composite armour plate. • Two cutting edges with round shank chisels cutting to the centre as there is no pilot, made of fine grained...

Rock augers Technical data Other cutting diameters and effective lengths available on request. • VK 200 Kelly box made of heat-treated cast steel with two locking pins D 60 mm. Full-face cutting tool for compact highly cohesive rock suitable for drilling. • Auger flight thickness of 30 mm, two-layered in the cutting section. • Wear protection at the auger body made of highly wearresistant and easily exchangeable composite armour plate. • Tapered cutting section with single WH 320 interchangeable holders and RSC 19 round shank chisels. • PB 280-4 rock pilot, exchangeable with four RSC 19 round...

Drilling buckets Technical data Other cutting diameters and effective lengths available on request. • VK 200 Kelly box made of heat-treated cast steel with two locking pins D 60 mm. Drilling bucket for loose soils, non-cohesive up to slightly cohesive sand, gravel and sand-gravel mixtures. • 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 FT 80 flat teeth and fishtail pilot. Rotary...

Drilling buckets Technical data Other cutting diameters and effective lengths available on request. • VK 200 Kelly box made of heat-treated cast steel with two locking pins D 60 mm. For cleaning the bottom of the borehole. • 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 development of a vacuum during extraction. • Swivel bottom gate with reamer without pilot.

Rock drilling buckets Technical data Other cutting diameters and effective lengths available on request. • VK 200 Kelly box made of heat-treated cast steel with two locking pins D 60 mm. Drilling bucket for platy, fissured and compact rock of medium cohesiveness. For loose soils, also compact sand and gravel as well as cohesive soils. • 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...

Core barrels with weld-on blocks Technical data Other cutting diameters and effective lengths available on request. • VK 200 Kelly box made of heat-treated cast steel with two locking pins D 60 mm. • Cutting ring with WB 90/35 weld-on blocks. Core barrels are used to cut an annular space. The remaining centre core is subsequently broken up and removed using a rock auger. • Cutting width approx. 35 mm. • Solid rock up to 100 MPa. • Slightly reinforced concrete.

Core barrels with round shank chisels Technical data Other cutting diameters and effective lengths available on request. • VK 200 Kelly box made of heat-treated cast steel with two locking pins D 60 mm. • Cutting ring with RSC 19 round shank chisels. Core barrels are used to cut an annular space. The remaining centre core is subsequently broken up and removed using a rock auger. • Cutting width approx. 105 mm.