BOSCH RH540S Spline 1-9/16 In. Combination Hammer is a corded rotary hammer built for drilling and chiseling in concrete and masonry. Bosch lists a 12-amp motor. The tool uses Keyless SDS-max with a SDS-max interface. Bosch rates impact energy at 6.1 ft-lbs EPTA, with 170-340 no-load RPM and 1500-2900 BPM. Bosch lists an assembled weight of 15 lb. It is sold as a corded tool. Bosch lists a 1-year full + 2-year limited (tool) warranty. The included specifications are drawn from Bosch technical data and product listing details for this exact model.
Is this a bare tool or a kit?
This is a corded tool, so it does not use batteries or a charger.
What are the main performance specs?
Bosch lists 12-amp motor, up to 170-340 RPM, 1500-2900 BPM, 6.1 ft-lbs EPTA impact energy.
What chuck or drive system does it use?
It uses Keyless SDS-max, and Bosch lists a maximum bit diameter of 1.5625 in.
How does it feel in use?
Review feedback commonly describes it as manageable in size or weight for its class, which can help with control during longer tasks.
What warranty does Bosch list?
Bosch lists a 1-year full + 2-year limited (tool) warranty for this model.
# BOSCH RH540S Spline 1-9/16 In. Combination Hammer **Model:** `RH540S` **Brand:** Bosch **Category:** Rotary Hammer > BOSCH RH540S Spline 1-9/16 In. Combination Hammer is a corded rotary hammer built for drilling and chiseling in concrete and masonry. Bosch lists a 12-amp motor. The tool uses Keyless SDS-max with a SDS-max interface. Bosch rates impact energy at 6.1 ft-lbs EPTA, with 170-340 no-load RPM and 1500-2900 BPM. Bosch lists an assembled weight of 15 lb. It is sold as a corded tool. Bosch lists a 1-year full + 2-year limited (tool) warranty. The included specifications are drawn from Bosch technical data and product listing details for this exact model. ## Specifications | Attribute | Value | |---|---| | Product Type | Rotary Hammer | | Cordless / Corded | Corded | | Power Source | Corded Electric | | Motor Type | Brushed | | Tool Only | Yes | | Batteries Included | 0 | | Charger Included | No | | Piece Count | 4 | | Height (in.) | 10.5 | | Length (in.) | 19 | | Weight (lbs) | 15 | | Width (in.) | 4 | | Warranty | 1-year full + 2-year limited (tool) | | Amperage (A) | 12 | | Drive System | SDS-max | | Chuck Type | Keyless SDS-max | | No Load Rpm | 170-340 | | No Load Bpm | 1500-2900 | | Impact Energy Ft Lbs Epta | 6.1 | | Max Bit Diameter In | 1.563 | | Variable Speed | Yes | ## What's Included - (1) RH540S Spline 1-9/16 In. Combination Hammer - (1) Auxiliary Handle - (1) Grease Tube - (1) Carrying Case Source: https://www.jaspecs.com/bosch/rotary-hammer/rh540s-0611269110/