DTH-Hammers

DTH hammers are hard rock drilling tools used on PAT rigs in conjunction with high pressure compressed air supply.


Download PDF 

Category:

Product Description

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

Related Products

  • Air Compressors

    The best method to drill an open hole in consolidated rock is to use as Down-the- Hole Hammer striking a hard tungsten tipped button bit. DTH hammers are powered by compressed air that pick and drive the heavy steel piston onto the drill bit to percussively break and pulverise the very hardest rock – the discharging air passes through the drill bit and lifts the rock debris to surface.

    Download PDF

    Product Detail

  • Foam injection pump

    Foam injection pump is a high pressure pump to facilitate drilling operations when using compressed air soft through to hard rock formations.

    The pump is also useful for cleaning drilling rig and ancillary equipment.


    Download PDF

    Product Detail

  • Pump Test Unit

    To complete a well and measure its discharge and drawdown with a mechanised pump can involve using some really unwieldy equipment that is difficult to transport and use in remote sites.

    PAT Pump Test Unit is a compact and easily transported unit comprising of a roller unit to feed the lay flat site pipe into the hole and support it on rigid support pipe on the surface.

    The operation of lowering the pump takes no more than a few minutes.


    Download PDF 

    Product Detail