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Down the hole hammer - ø 81.3 - 181 mm | RH550 series
The extensive RH460 family is consisted of 4 standard size hammers with dimensions ranging from 4" to 8". The 4", 5" and 5"G variations are also offered. Meanwhile, the 6" and 8" will be available in 2014. RH460 Hammers are engineered to employ the bits using available shanks in the industry.