Tunnel consolidation drilling unit YT27

hand-heldrotarypneumatic

High quality YT27 air leg rock drill, mine drilling rig , for quarrying, tunnel and mine drilling operations Short Description: YT27 type air feet type chisel rock machine high efficiency light type, suitable to wet type drill and chisel downward and incline holes on the medium solid or solid (f=8-18) rocks. The chisel hole diameter 34-45mm, valid drill hole depth reach up 5m. Has characteristics at strong blow wash blasting hole function, big rotating pick moment, the chisel rock tools which widely used in railway, water conservancy, country protection rockexcavation project, assort use with FY250 type oil fill device and FT160A (or FT160B) type air feet, obviously better than same type products.