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The Bosch GSB18V-800 is an 18V cordless hammer drill with a brushless motor rated at 4 amps, giving it three modes: drilling, hammer drilling and screwdriving. Its key draw is a compact, well-balanced body with a brushless motor for longer runtime and less maintenance than brushed rivals, plus a 1/2-inch metal chuck. It suits homeowners and trades who want one tool for masonry, wood and metal without stepping up to a heavier SDS rotary hammer. Against premium 18V hammer drills from DeWalt and Makita it trades some top-end torque and accessory ecosystem depth for a lighter, simpler kit.
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Lowest price we've seen: $239.00 on Nov 9 at Lowe's. Tracked across 1 store since Nov 9.
Owners generally rate the GSB18V-800 as a solid, smooth-running hammer drill for home and light trade work. Most praise the brushless motor, balance and chuck grip; criticism centers on power in hard concrete and the single-battery kit.
