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Bosch HD21-2 Two-Speed Hammer Drill

Bosch HD21-2 Two-Speed Hammer Drill

The Bosch HD21-2 2 speed hammer drill features a torque control auxiliary handle. This securely locks into place for maximum control in heavy duty drilling applications. It has a 2-speed gear box. This allows the user to match the speed to the application. This gives you either the power or precision necessary.


  • Bosch-built high-output – 9.2 Amp motor
  • 1/2 In. 3-Jaw chuck – for rugged hammer drilling applications
  • Dual-mode selector – easily converts from rotation only to hammer drill mode
  • Patented rotating brush plate – provides equal power in reverse to easily back out bound-up bits and doubles brush life
  • Pistol-grip handle – compact ergonomic design with soft-grip
  • Variable-speed reversing trigger – for accurate bit starting, as well as removing fasteners or bound bits
  • Integral slip clutch – helps minimize torque reaction
  • Metal gear housing – for long life and rugged job site durability
  • 2-Speeds – for drilling in wood and metal
  • 360° Auxiliary handle with built-in depth gauge – wide range of movement along with consistent drilling depth


  • 360° Auxiliary Handle — 2 602 025 118
  • Depth Gauge — 1 613 001 010

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