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The DeWalt DCH133B is a cordless SDS-Plus rotary hammer built around a brushless motor and a German-engineered hammer mechanism. It delivers 2.6 joules of impact energy in a body light enough for overhead rod hanging and clip mounting. A rotating dial switches between drill, hammer drill and chip modes, so it covers concrete anchoring and light chipping with one tool. Against corded SDS-Plus hammers it trades raw sustained power for freedom from a cord; against compact 18V rivals it sits mid-pack on impact energy but is favored for its balance and control.
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Owners rate the DCH133B as a dependable light rotary hammer that punches above its weight in concrete for its size. Many praise the balance and low vibration during overhead work, while some note it is slower than corded hammers on deep or large-diameter holes.
The DEWALT DCH133B is a cordless 1 in. SDS-Plus rotary hammer powered by a 20V MAX brushless motor and a German-engineered mechanism. It delivers 2.6 joules of impact energy for drilling in concrete.
A rotating dial sets the tool to Drill, Hammer Drill, or Chip mode. The lightweight design suits forming, rod hanging, structural connections, beam and column anchorage, steel stanchion mounting, and clip and bracket mounting.
The chuck is keyless, and a forward and reverse switch is included. The housing and handle are plastic. The 360° side handle and depth rod come with the tool.
