The Bosch GBH 5-40 D Rotary Hammer: Power and Speed in One Tool The Bosch GBH 5-40 D rotary hammer is the ideal choice for professionals seeking formidable performance in the SDS max category. This tool is designed to be your entry into the world of industrial power, combining relatively light weight with high capability to penetrate the hardest materials. Why choose the GBH 5-40 D? Exceptional Performance: Thanks to its powerful 1100-watt motor, it completes demanding tasks quickly and smoothly. Immense Impact Force: Delivers an impact energy of up to 8.5 joules, ensuring a high material removal rate and saving time on job sites. Versatility: Ideal for drilling in concrete with diameters ranging from 12 to 40 mm, making it a multi-tasking tool for contractors and technicians. Renowned Bosch Durability: A robust design that withstands harsh construction site conditions, ensuring a long service life.