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DTH hammers

Below is a presentation of Sandvik's models of DTH hammers.
Models RH550 hammers Model Size (inch) Weight kg (lb) Outside diam. mm (inch) Hammer length mm (inch) Op pressure psi (bar) RH550r 3" 25 (55) 81.3 (3.2) 823 (32.4) 150-350 (10-24) RH550r 4" 38 (83) 98 (3.86) 914 (36) 150-350 (10-24) RH550 5" 68 (145) 120 (4.72) 987 (38.86) 150-350 (10-24) RH550g 5" 73 (160) 126 (5.0) 987 (38.86) 150-350 (10-24) RH550r 5" 73 (160) 126 (5.0) 987 (38.86) 150-350 (10-24) RH550w 6" 72 (158) 142 (5.6) 922 (36.3) 150-350 (10-24) RH550 6" 72 (158) 142 (5.6) 922 (36.3) 150-350 (10-24) RH550g 6" 82 (180) 150 (5.9) 922 (36.3) 150-350 (10-24) RH550r 6" 82 (180) 150 (5.9) 922 (36.3) 150-350 (10-24) RH550r 8" 173 (380) 181 (7.12) 1219 (48) 150-350 (10-24) RH550w 8" 173 (380) 181 (7.12) 1270 (50) 150-350 (10-24)
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