Hydroperforator drill bit KNSH 43-R32.VSp is designed for drilling 43 mm diameter boreholes in rocks and ores with coefficient of hardness f=6.....20 according to Protodyakonov (GOST 21153.1-75) on percussion-rotary drilling machines. The crown can be used in drilling of wells in any branches of national economy.
Tell us what you need and get quotes from verified suppliers