Hitachi Power Tools has unveiled two new SDS Max concrete and masonry hammers with minimal vibration and impressive performance: the DH40MRY Rotary Hammer and the H45MRY Demolition Hammer.
Hitachi’s patented User Vibration Protection reduces the full-load triaxial vibration of these tools by up to 60 percent. The powerful impacts from the demolition hammer and rotary hammer are offset by a dynamic counterweight and a system of dampers in the switch handle. This dedicated antivibration mechanism reduces the full-load triaxial vibration by 56 percent in the DH40MRY and 60 percent in the H45MRY. Designed with powerful 9.2-amp motors with 950 watts of input power, the DH40MRY and H45MRY have extended wear carbon brushes that last 56 percent longer than traditional brushes.
The DH40MRY drills 8.5 inches per minute through concrete. It operates in two modes, hammer drilling and hammer only, and boasts full-load rpm between 240 and 480 with an impact rate of 1,320 bpm to 2,650 bpm. The H45MRY Demolition Hammer delivers 3,000 bpm and 9.4 foot-pounds of impact energy
Also, Hitachi Power Tools has announced its most compact and lightweight SDS hammer ever, the DH22PG. It is perfect for both overhead and extended-use applications and also allows access to tight work areas. The DH22PG 7/8-inch SDS Plus Rotary Hammer is ideal for drilling smalldiameter anchor holes in concrete and can also drill through wood and metal, as well as fasten with a chuck adaptor.
The DH22PG’s 5.4-amp, 620-watt motor produces rapid results, especially in standard 5/32-inch and 3/16-inch diameter holes. At 4.2 pounds and 11.4 inches in length, the hammer delivers low vibration and a high full-load impact rate of up to 6,200 bpm.
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