PRITHVI SERIES are 4th generation Hammers, we eliminated Foot Valve in the Button Bit which is the potential trouble maker when the drilling is in deep depth.
The Proprietory Dynadrill's "PRITHVI SERIES HAMMERS" Maximises efficiency and develops greater power for any compressor capacities available.As a result the Prithvi series of Hammers penetrate 15% to 30% faster than competative Hammers available in the market giving you an additional production at a lower unit cost.