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DeWalt DWH303DH Onboard Dust Extractor

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For the DCH273P2 1" SDS Plus 20V Rotary Hammer

This OSHA Table 1-compliant Dust Extractor works with the DCH273 1" Hammer. It features an OSHA 1926.1153-compliant Dust Box Assembly. With a filter cleaning mechanism and a HEPA filter, it removes 99.97% of airborne particles 0.3 microns or greater. The Dust Extractor has a powerful built in motor for increased suction during high performance drilling. The 2-second power-off delay ensures that dust extraction continues after the drill is switched off. It accomodates drill bit diameters up to 5/8" which allows users to drill overhead for 1/2" drop-ins.

Standard Equipment:

  • DWH303DH Dust Extractor
  • DWH302DH Dust Box
  • Side Handle


  • Carbide Drill Bit Capacity: 5/8" X 4" Useable X 6" Overall
  • Compatible With: DCH273B , DCH273P2
  • Filter Cleaning Mechanism: True
  • For Tool Type: SDS Plus Rotary Hammers
  • Hepa Filter (99.97% Efficiency): True
  • OSHA Compliance Table 1
  • Tool Height: 10.2"
  • Tool Length 13.6"
  • Tool Width: 5"
  • Tool Weight 3.08 lbs


  • Table 1-compliant dust management solution for the DCH273P2 1" SDS Plus 20V Rotary Hammer.
  • Replaceable HEPA filter (DWH302DH) removes 99.97% of airborne particles 0.3 microns or greater.
  • 2-second power off delay ensures dust extraction to continue after drill is switched off.
  • Clear, durable dust box ensures users can see when dust box needs to be emptied.
  • Built-in motor increases suction and high tool performance.
  • Replaceable dust nozzle to quickly change to new nozzle.
  • Drill up to 5/8" diameter, 4" useable length, 6 in. overall length bits.
  • Fits into tight spaces on scissor lifts and between overhead pipes and duct work.
  • Easily adjustable depth guage for accurate anchor drilling.

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