DTH hammers are hard rock drilling tools used on PAT rigs in conjunction with high pressure air supply. PAT stock and supply Halco brand - made in the UK with some 60 years experience with DTH tooling design & manufacture.
Each hammer size will operate with range of drill bit diameters.
3" DTH hammer - 90,95,100 & 105mm diameter Download/view spec
4" DTH Hammer - 115,127, 140 & 150mm diameter Download/view spec
5" DTH hammer - 146,150 & 165mm diameter Download/view spec
6" DTH hammer - 150, 200 & 245mm diameter Download/view spec
PAT manufacture stripping clamps, bit spanners and starter tubes to support all DTH hammer sizes. Download