Products and Services of Volgaburmash Inc
Drilling bits
One-cone and three-cone hole openers
Expanders for installation of overlapping devices in bore holes
Button percussion bits for blast hole drilling
Replaceable cones for raise bore expanders
Single cone underreamers ranging from 125/133 mm up to 216/237 mm
Multiple cone underreamers ranging from 110/124 mm up to 216/237 mm with replaceable cone sets for drilling formation that vary from soft to hard
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