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The Bosch GBH18V-40CK27 is an 18V cordless SDS-Max rotary hammer in Bosch's PROFACTOR line, built for heavy drilling and chiseling without a cord. It combines rotary hammer, hammer-only and drill modes with an SDS-Max chuck, an LED work light and forward/reverse, and it ships with two batteries and a charger. At about 18.4 lb it is a two-hand tool, closer to corded SDS-Max hammers than to compact SDS-Plus drills. It suits contractors and serious remodelers who drill large anchors and break concrete away from power, and it trades the light weight and low cost of an SDS-Plus drill for real demolition capability.
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Lowest price we've seen: $999.00 on Nov 10 at Lowe's. Tracked across 1 store since Nov 10.
Owners treat this as a cordless stand-in for a corded SDS-Max hammer. They praise the concrete-breaking power and the convenience of no cord, and most criticism centers on weight and battery drain during long chiseling.
