This Bosch hammer drill is engineered for tough jobs, with next-gen convenience and CORE18V(R) power. The GSB18V-535CB25 18V EC Brushless Connected-Ready 1/2 In. Hammer Drill/Driver kit features a tool with Bluetooth(R) connectivity (which connects with an optional Connectivity Tool Module), linking the free Bosch Toolbox app on any connected device for enhanced tool control and feedback. The kit includes two next-gen CORE18V(R) 4 Ah Advanced Power Batteries. Each keeps the power and runtime, while losing the weight, with 21700 cell technology. The CORE18V(R) matches the power of the original two-layer 4 Ah battery with half the number of cells. It features the CoolPack 2.0 heat-management system. This hammer drill's powerful EC Brushless motor delivers 535 In.-Lbs. of torque and 0-28,500 bpm. It has variable speed settings; one for high-speed (0-1,900 rpm) and one for high power (0-600 rpm). The cordless drill has KickBack Control to reduce the risk from sudden rotational torque reaction, a 20+1 precision clutch; an all-metal chuck that provides durability and a longer belt clip.

HAMMER DRILL BRUSHLESS 18V

Reduce the risk of injury from kickback or bind-up situations with Bosch Active Response Technology(TM) featured in the new the Bosch HDH181X 18V Brute-Tough(TM) 1/2" Lithium-Ion hammer drill/driver. The innovative on-board acceleration sensors automatically shut the tool down when a potentially dangerous torque reaction occurs. The Bosch engineered 4-pole motor provides 752"/lbs of torque, making it powerful and efficient for drilling a broad range of high torque bits such as spades and augers. As with all Bosch best built cordless tools, advanced electronic motor and cell protection help prevent overheating and overloading for extended tool life and runtime. A built-in LED light illuminates the workspace for optimal visibility. All-metal Bosch gears and Durashield(TM) tool housing hold up in even the toughest jobsite conditions, including withstanding multiple 12 Ft. drops onto solid concrete. The HDH181X is compatible with all Bosch 18V Lithium-Ion batteries and chargers for maximum versatility. Bosch 18V batteries feature cool pack technology, which integrates advanced heat conducive housing to keep the battery cooler and extend the life.
Features

Active Response Technology superior control in bind-up situations
Heavy Duty Construction built tough with Bosch exclusive Durashield housing and all metal gearbox to withstand rugged jobsite conditions
Maximum Power 752 in lbs. of torque powered by a 4-pole motor
Advanced Electronics individually customized electronics protect the motor and battery increasing tool and battery life
Flexible Power System compatible with all Bosch Lithium Ion batteries
LED Light great for dark or enclosed areas
Auxiliary Handle increased control with longer handle length and new tongue and groove structure to prevent handle slippage

6.1 ft-lb of impact energy, up to 20% more than other combo rotary hammers
SDS-max (r) bit system for tool-free bit changes
Vario-Lock mechanism allows 12 positions for best chisel angle
Combination dual mode selector knob rotary hammer mode or hammer-only mode
Service minder brushes
Innovative service modules

The bosch rh540m 1-9/16 in sds-max (r) combination hammer is a combo rotary hammer and hammer-only tool designed for concrete contractors and professional remodelers who need a powerful and versatile tool. it delivers 6.1 ft-lb of impact energy while weighing in at only 15.2 pounds the motor is rated at 170 to 340 rpm in rotary mode and 1200 to 2750 bpm in hammer mode, which will easily reduce concrete to dust. its sds-max (r) bit system allows tool-free and one-handed bit changes. the vario-lock mechanism lets users angle the chisel into 12 different positions to optimize the working angle. the hammer has a dual mode selector knob and service minder brushes, which clearly indicate when preventive maintenance is required

HAMMER DRIVER DRILL 18V BL1815

This 18v LXT SDS-PLUS Rotary Hammer is capable of drilling through steel, wood and masonry with ease. With the power of Lithium-Ion you can be sure to get the job done, wherever you are!

Lithium-ion's 40% weight saving means 18 volt power can be obtained by a battery that weighs the same as a 12 volt Ni-MH battery.
Lithium-ion batteries have greater life spans than their Ni-MH or Ni-Cad counterparts giving 430% greater run time.
Conveniently located push button for forward and reverse.
High comfort grips.
One-touch sliding chuck for easy bit changes.
Rotation mode: The chisel can rotate a full 360 degrees with 40 different locking positions.
Triple operation mode: Rotary only, hammer only and rotary hammer.

Makita's FIRST 18VX2 Direct (36V) 1" Rotary Hammer
Hammer & Rotation / Hammer Only / Rotation Only Features Quick Change Drill Chuck
SDS-PLUS Shank
Variable Speed, Reversible
Accepts 2 x 18V Li-Ion batteries without a battery converter for use with existing 18V Li-Ion battery platform
Center of gravity located close to rear handle resulting in ideal tool balance during operation
Torque limiter stops rotation if bit jams for increased operator safety and enhanced motor protection
40 angle bit positions enable chisels to be positioned at optimum angle of operation
Rubber housing bumper protects mode selector switch and gear housing from damage
LED job light with afterglow feature
One touch sliding chuck enables quick and easy bit changes
Sliding rear handle for increased vibration absorption
Ergonomic soft rubber grip design for vibration absorption and comfortable operation

The Makita 3/4 in. 2-Speed Hammer Drill has variable-speed operation to help with starting holes in concrete and steel. Start with low gear for speeds up to 900 RPM and 18,000 BPM. Then switch to high to take advantage of up to 2,300 RPM and 46,000 BPM. The 1/2 in. keyed chuck is powered by a 6 Amp motor and ball bearings translate to years of dependable use. This hammer drill also has adjustable side handles and a depth gauge for drop-in anchors. It comes with a storage case.

Powerful 6 AMP motor for the most demanding applications
2-speed (0-900 & 0-2,300 RPM) with speed control switch
2-mode operation for "Rotation Only" or "Hammering with Rotation" for multiple applications
Variable speed switch for easy starting of holes
All-ball bearing construction for longer tool life
Adjustable side handle for greater control
Depth gauge for "drop-in" type anchors
Recessed lock-on button for continuous use
Lightweight (6.4 lbs.) for reduced operator fatigue
Double insulated