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Bosch GSB18V-490B12 18V Brushless 1/2-in Hammer Drill/Driver Kit

Model: GSB18V-490B12 · US configuration

Bosch GSB18V-490 hammer drill with a battery fitted, charger, belt clip and blue carrying bag in the exact B12 kit image.
Manufacturer product image · Bosch Professional

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Assess the Bosch GSB18V-490B12 included-battery hammer-drill kit for a 1/2-in chuck and documented hammer mode.

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Assessment scenario: Assessment scenario: Bosch 18V hammer drill with a listed 2Ah pack

Assessment scenario for someone who wants documented hammer mode, an included battery and a 1/2-in chuck. The GSB18V-490B12 list names one 2Ah Standard Power battery and an 18V charger, but not the battery model.

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Why consider this model?

  • Bosch’s exact B12 page identifies a 1/2-in hammer drill/driver and lists one 2Ah Standard Power battery, an 18V charger, belt clip and carrying bag.
  • The directly linked GSB18V-490 manual documents hammer/drilling functions and distinct maximum capacities for named materials.

Tradeoffs to weigh

  • The page does not name the included battery or charger model numbers; confirm exact labels before assuming an existing pack or charger is suitable.
  • Bosch’s exact page speed fields (0–460/1,800 rpm) conflict with the GSB row in the linked manual (0–600/1,900 rpm); neither should be silently substituted.
  • The published 490-in-lb figure and manual capacities are manufacturer claims, not comparative test results or universal limits for every material/bit.
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