4″ Core Drill Bit Shaft Extension

  • SKU: SDT-CB-EXT-04
  • UPC: 817482025618
  • Dimensions: 7" x 6" x 6"
  • Weight: 3 lbs
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Steel Dragon Tools heavy-duty, multi-purpose 4-inch core drill bit shaft extension rod for core drilling rigs. Shaft will fit most core drills and will work with wet or dry bits. Shaft extension has 1-1/4 in. x 7 threading and is hollow throughout for wet drilling.


  • Extension Size: 4 in.
  • Fits wet or dry core drill bit.
  • For use with most core drills.
  • Threading: 1-1/4 in. x 7.
  • Extensions are hollow to allow for wet drilling.


Steel Dragon Tools® offers a wide variety of professional-grade tools and high-quality replacement parts. Backed by years of manufacturing excellence and coupled with the latest technology, Steel Dragon Tools products provide incredible craftsmanship at an unbeatable value.