Bosch HDG138QA 3 pc. Diamond Hole Saw Set

HDG138QA 3 pc  Diamond Hole Saw Set by Bosch


Bosch HDG138QA 3 Piece Diamond Hole Saw Set

  • Vacuum-brazed diamond grit cuts faster and lasts longer
  • Segmented teeth reduce debris and heat
  • AutoStart™ pilot bit is spring-loaded, retractable shaft allows walk-free cutting without a pilot hole
  • Pilot bit offers unique grind that starts holes accurately every time


  • Fast and easy starts, even in the hardest materials like porcelain and granite.
  • Quick Change universal hole saw system allows change to any size or type of hole saw in seconds.
  • For use only with machines designed for wet sawing and on a GFCI-protected circuit.

This Set Includes

  • (1) mandrel
  • (1) AutoStart pilot bit
  • (1) 1-3/8" hole saw

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