Belltec offers a comprehensive selection of Auger Bit Extensions in both telescopic and fixed styles. Telescopic extensions slide inside the auger bit, enabling adjustable reach when extra depth is needed. Fixed extensions deliver an instant length increase and are ideal for equipment with sufficient operating height. All extensions are available in the most commonly used connection sizes to ensure a secure fit with.

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Heavy Duty Extensions Specs & Compare
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Heavy Duty Extensions Features & Benefits
  • Purpose: Heavyduty auger extensions are designed to provide added strength and durability for extending the reach of a Belltec hydraulic auger drive in more demanding drilling conditions (e.g., harder soils or heavier loads) — built with tubular/HD construction for greater ruggedness compared to standard fixed or variable extensions. Belltec refers to these as HD tubular extensions.
  • Coupler / Shaft Sizes:
    – 2″ Hex HD Tubular Extension (female hex to male hex, heavywalled tubular construction).
  • Compatibility: Works with Belltec auger drives and similar drives that match the coupler shaft size (commonly 2″ hex, as most Belltec units use this standard), and with augers having a hollow coupler compatible with the extension type.
  • Lengths Available (HD): Typically offered in lengths similar to standard extensions 24″, 36″, 48″, 60″, 72″, 84″, 96″, 120″, and 144″
  • Coupler / Construction Features: Reinforced shaft wall thickness and tubular construction to better withstand torque and bending loads than standard extensions.
  • Interchangeability: HD tubular extensions are compatible with other Belltec and thirdparty auger drives as long as the coupler size matches (e.g., 2″ hex).
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