Bosch 4-Amp 18-volt Variable 7/16-in Drive Cordless Impact Wrench (2 Batteries) HTH182-B25

The Bosch HTH182-B25 18V High-Torque Impact Wrench Kit includes an industrial-duty impact wrench with a 7/16 In. hex chuck. It was engineered for concrete contractors, auto pros, carpenters and other pros who spend a great deal of time fastening high-torque nuts and anchors, such as lag screws or lug nuts. It provides professional cordless torque, delivering up to 500 Ft.-Lbs. The cordless tool provides a 7/16 In. hex quick-change anvil for fast changing of bits. The all-metal motor generates 0-2,100 ipm and 0-1,900 rpm. This impact wrench has a spring-loaded hammer-and-anvil system that controls torque reaction to allow for easier impact-driving power. The kit includes two next-gen CORE18V 4.0 Ah compact batteries. Each keeps the power and runtime, while losing the weight, with 21700 cell technology. The CORE18V matches the power of the original two-layer 4.0 Ah battery with half the number of cells. It features the CoolPack 2.0 heat-management system.High-torque impact wrench design – built to deliver professional power, for tightening industrial-duty fasteners like lag screws, concrete anchors, lug nutsPowerful motor–delivers up to 500 Ft-Lbs of torque to drive large fasteners quicklyCompact CORE18V 4.0 Ah Li-ion battery – engineered to provide next-gen power and runtime, while losing the weight, for optimized performance-to-weight ratioSpring-loaded hammer-and-anvil system – delivers user control and managed torque thrust up to 1,900 rpm and up to 2,100 ipmDelivers 500 Ft-Lbs of torque, ideal for fast tightening and removing of heavy-duty fasteners (lag screws, concrete anchors, lug nuts)Light weight for heavy torque – only 5.7 Lbs for least amount of user fatigueShort head-length–only 11 In for better balance and controlHigh-power battery cells – uses enhanced 21700 cell technology, combined with advanced battery design for greater efficiency, to produce longer runtimeCutting-edge battery cell design – engineered to improve performance