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HammerHead Mole
Piecing Tool
Rock Drilling
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Piercing tools are ideal for installing utilities under existing landscapes and / or structures.

These pneumatic-powered tools create a compact hole that allows contractors to install underground gas, water, cable, irrigation, fibre or electrical lines under yards, buildings or streets with minimal disruption.

HammerHead® piercing tools are some of the most reliable in the industry today. With over 20 models available ranging from 50 to 200 mm OD, HammerHead has a piercing tool to meet your needs and any ground condition.


  • HammerHead piercing tools feature an industry-leading design that uses the heaviest one-piece striker in the industry, giving a higher impact performance. The body housing design provides increased durability and tool life within today’s market.
  • A Patented clamped rear anvil allows easy maintenance in the field and requires no special tooling, solvents or adhesives.
  • Both Standard fixed and active head versions available for use in a wide range of ground conditions.
  • A proven range of reverse mechanisms including ¼ turn Power Port ® , multi turn screw and air reverse systems

Choosing the right tool for the job

Fixed Head 50mm - 200mm
Used in average or loose ground conditions

Active Head 50mm - 75mm
Used in difficult ground conditions where production
is less than one foot per minute with a Fixed Head mole

Catamount 65mm - 111mm
The world’s easiest starting mole, offers a reciprocating
head that pneumatically resets itself after each impact