W50 (2") Hammer

The Wassara technology uses water to power the DTH hammer. This makes it the ideal choice for drilling in sensitive areas as well as for drilling long straight holes. The water-powered hammer is capable of penetrating almost any formation while maintaining speed and accuracy.

Download the Data sheet as PDF-file

Hole size

Ø 60 / 64 mm

Water consumption

45 – 150 l/min

Max operating pressure

170 bar

Length A950 mm (37.4″)
Length B897 mm (35.3″)
Diameter CØ 56 / 60 mm (2.2 / 2.4″)
Size D36 mm (1.4″) 
Weight13.5 kg (29.8 lbs) 
Bit diameterØ 60 / 64 mm (2.4 / 2.5″) 
Operating pressure interval50 – 170 bar (725 – 2 465 psi) 
Water consumption interval45 – 150 l/min (12 – 40 USgpm) new to worn 
Frequency at maximum operating pressure75 Hz (4 500 blows/min) 
Feed force, formation dependant3 000 – 6 000 N (675 – 1 350 lbf) 
Rotation speed, formation dependant100 – 200 rpm 
Rotation torque, formation dependant200 – 300 Nm (150 – 220 lbf-ft) 
Drill rodWassara Drill rod Ø 48 mm (1.9″), Thread NC 13
Recommended water pumpWASP100D / WASP100E VSD,
360 l/min (95 USgpm) @ 200 bar (2 900 psi) 
Bit shankWassara 2

Case studies

See our featured Case studies below to learn what real world projects our technology has been a part of.

  • Ground engineering

    Jet-grouting columns in difficult geology in Hässleholm, Sweden

    A storage building has been constructed in Hässleholm, Sweden. The ground needed stabilization as the geology presented sand and friction …

  • Ground engineering

    Energy storage in Lund, Sweden

    A project with strict restrictions regarding the water returned to the sewage system.

  • Ground engineering

    New ground engineering hammer, tested in Södertälje Canal, Sweden

    Wassara´s new hammer developed specifically for Ground Engineering was tested in a casing advancement application during dredging works for widening …

Download the Data sheet for W50 as PDF-file

PDF 21.15mb

LKAB Wassara
Elektronvägen 6, Box 1067, SE- 141 22 Huddinge, Sweden
+46 771 760 100 | info.wassara@lkab.com

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