| Concrete Decor Archives — Product News |
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Hitachi Power Tools Rotary hammer designed for hard materials
Hitachi Power Tools introduces the DH45MR, a 1-3/4-inch SDS Max rotary hammer featuring patented Internal Double Insulation technology and a best-in-class impact energy of 11.4 foot-pounds.
The DH45MR claims to provide the fastest drilling and chiseling speeds on the market and is engineered to go through concrete, mortar, tile and other hard materials. Hitachi’s patented IDI technology enables the aluminum housing to be integrated with an injection molded inner nylon core. This technology combines the durability of a metal-bodied tool with the double insulation advantages of today’s plastic housings. The tool bearing sits in die cast aluminum instead of plastic, improving tool reliability and greatly extending tool life.
The hammer comes with a powerful 11.6-amp motor that delivers 1,200 watts of input power. Using a highly efficient striking transmission, the DH45MR produces 30 percent faster drilling speeds and 15 percent greater chiseling performance than competitors. Electronic variable speed control gives the tool from 120 rpm to 240 rpm full-load and an impact rate of 1,200 bpm to 2,500 bpm. This rotary hammer has an easy-to-use dial for two modes of operation, hammer-drilling and drilling by itself.
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