Sandvik Construction provides solutions for construction industries in niches such as quarrying, tunneling, demolition, dimensional stone, recycling and civil engineering.

RP442 Shock subs

Sandvik shock subs are designed to lower drilling vibrations and prevent them from being transmitted into the rotary drill head

Features and benefits

  • Reduces drill rig mast maintenance
  • Provides smoother on-bottom running
  • Extends bit life
  • Lowers rotary drill head repairs
Key Specifications
Outside diameter 235-457 mm
9 1/4-18"
349-737 mm
13 3/4-29"
Axial load
5500-91000 kg
12000-200000 lbs
Torque rating
Up to 400 HP
at 100 RPM

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