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Bosch - HD21-2 1/2 In. 2 Speed Hammer Drill

SKU HD21-2

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.


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





  • 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