DEWALT DWH303DH Onboard Dust Extractor for 1 in. SDS-Plus Rotary Hammer

Item No. 28373
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DEWALT DWH303DH Onboard Dust Extractor for 1 in. SDS-Plus Rotary Hammer works with the DCH273 1 in. 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 accommodates drill bit diameters up to 5/8 in. which allows users to drill overhead for 1/2 in. drop-ins.


  • Table 1-compliant dust management solution for 1 in. SDS Plus rotary hammers
  • Clear, durable dust box ensures users can see when dust box needs to be emptied
  • Replaceable dust nozzle to quickly change to new nozzle
  • Fits into tight spaces on scissor lifts and between overhead pipes and duct work
  • 2-second power off delay ensures dust extraction to continue after drill is switched off
  • Built-in motor increases suction and high tool performance
  • Drill up to 5/8 in. diameter, 4 in. useable length, 6 in. overall length bits
  • Easily adjustable depth guage for accurate anchor drilling


  • DWH303DH Extractor
  • DWH302DH Dust Box
  • Side Handle


Carbide Drill Bit Capacity5/8 in. x 4 in. Useable x 6 in. Overall
Filtering Cleaning MechanismTrue
Hepa Filter (99.97% Efficiency)True
Compatible WithDCH273P2, DCH273B
For Tool TypeSDS Plus Rotary Hammers
Tool Height10.2 in.
Tool Length13.6 in.
Tool Width5 in.
Tool Weight3.08 lbs