Baronissi +39 089.9566338 Mon - Fri 09:00 - 18:00 via Giovanni Agnelli, 6 Zona P.I.P. Baronissi (SA) • Italy
Certified quality
ISO 9001:2015
More than 100 nations in the trade network
Environmental care
516.736 Kg of Co2 avoided in 2020


Designed to handle the most difficult drilling conditions, this auger is the evolution of years of drilling experience; it has been studied to work in very hard rock strata having a compressive strength of more than 100 MPa. The arrangement of chisels is optimized for reaching excellent cutting performance, the flights pitch has been specifically designed to get better output characteristics for the high torque drilling rigs in order to improve material handling.

PRA-S Line Auger

Special Progressive Rock Auger

  1. Anti-wear bars HB=500 along the flights
  2. Changeable pilot bit with round shank chisels  Ø 30/38 mm

Technical specifications

Central pipe
Central pipe Ø 273 mm · thickness = 30mm

made in special steel · upper/lower flights thickness = 30/50 mm

Betek round shank chisels D.30/38mm

Kelly box
200x200mm · 130x130mm · other sizes on request