technical data:parametersmax. Single impact energy (according to epta): 8.7 jmaximum number of impacts: 2900 /minrated power: 1150 wdrilling capacity in concrete with impact drills: 40 mmmasonry drills with core bits: 105 mmidle speed: 350 / 500 /minrotation speed under load: 350 / 500 /mintool holder: sds-maxclamping neck diameter: 64.6 mmweight without cable: 8.3 kgcable length: 6 mvibrationpercussion drilling in concrete: 10.8 m/s2coefficient of measurement uncertainty k: 1.5 m/s2chiseling: 9.6 m/s2uncertainty of measurement k: 1.5 m/s2noise emissionsound pressure level: 93 db(a)sound power level (lwa): 104 db(a)uncertainty of measurement k: 3 db(a)metabo sds-max khev 5-40 bl rotary hammermaximum drilling progress and high machining efficiency thanks to the maintenance-free brushless motor and high-performance impact mechanismlong service life thanks to brushless technology and durable die-cast aluminum gear and motor housings2-function combination hammer: hammer drilling and chiselingmetabo vibratech (mvt) with double insulation: the decoupled handle and vibration-absorbing material actively reduce vibrations and ensure ergonomic working even during prolonged use.ergonomic slim handle with large throttle switch allows comfortable workingeasily accessible lock-on switch for continuous chiselingvario-tacho-constamatic (vtc) full-wave electronics allow for speeds tailored to the material being chiseled and remain constant under loadoptional speed and impact energy reduction helps when processing soft materialselectronic soft start for precise spot-drillingmetabo s-automatic safety clutch: mechanical decoupling of the drive in the event of a jam ensures safe workingrestart protection: prevents unintentional start-up after power is restoredoverload protection: protects the motor from overheatingchiseling and drilling in low dust conditions using the external esa max dust extraction system (accessory)**