BOSCH RH540M 1-9/16 In. SDS-max Combination Hammer

The Bosch RH540M SDS-max® 1-9/16 In. Combination Hammer is a 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.-Lbs. of impact energy while weighing in at only 15.2 Lbs. The motor is rated at 170 to 340 RPM in rotary mode and 1,200 to 2,750 BPM in hammer mode, which will easily reduce concrete to dust. Its SDS-max® 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.   Features & Benefits 6.1 Ft.-Lbs. of impact energy, up to 20 percent more than other combo rotary hammers SDS-max® bit system for tool-free easy 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   Technical Specifications Amperage 12.0 Chuck Design Keyless Chuck Size 1-9/16 in Drive System SDS-max Height 10.5" Impact Energy/EPTA (ft. lbs.) 6.1 Ft.-Lbs. EPTA Length 19.0" Material Metal, Plastic Max Bit Diameter 1-9/16" Max. Hole Diameter in Concrete 1-9/16" Max. Hole Diameter in Concrete-Core Bit 4" Max. Hole Diameter in Concrete-Thru Hole Bit 2-1/2" No Load BPM 1,500-2,900 No Load RPM 170-340 Optimal Concrete Capacity Range 1/2" - 1-3/8" Rating 120V Voltage 120V Weight 15.2lb Weight (lbs.) 15.2 Width 4.0" Works With Dust Extraction/Collection HoodsHDC200, HDC250, HDC300 SDS-max® Hammer Adapter for SDS-plus® AccessoriesHA1030 SDS-max® Hammer Adapter for Spline AccessoriesHA1031 SDS-max® Hammer Adapter for 1/2"-20 Thread AccessoriesHA1032 Includes (1) RH540M SDS-max® 1-9/16 In. Combination Hammer, (1) Auxiliary Handle, (1) Grease Tube, (1) Carrying Case