Halco Rock Tools, UK Manufacturer of DTH Hammers and Bits. Halco pioneered the development and distribution of DTH hammers in the 1950s.
With DTH drilling the power is always on the ‘Business End’ so you will see a faster rate of penetration in medium to hard ground conditions.
 
  
You can expect a longer life from your DTH Drilling equipment because the hammer does all the work, less pressure is required from your Rig.
Super Dominator 400
Super Dominator 450
Mach 44
GP 400
RC 400
Size
Hammer Type
Part Number
Shank
4"
 
SUPER DOMINATOR 400
SUPER DOMINATOR 450
MACH 44
GP 400
RC 400
  
600224 / 600258
600382
600070
600425 / 600444
600405 /600267 / 600415
  
HALCO 4 / DHD340A
HALCO 4.5
HALCO 4 
DHD340A /  TD40
HALCO RC400
 
Size
Hammer Type
Drilling Diameters
Air Pressure
4"
 
SUPER DOMINATOR 400
SUPER DOMINATOR 450
MACH 44
GP 400
RC 400
 
  
108mm - 150mm
110mm - 127mm
108mm - 150mm
135mm - 165mm
152mm - 245mm
 
100 - 507psi (7-35 bar)
100 - 507psi (7-35 bar)
100 - 350psi (7-24 bar)
100 - 435psi (7-30 bar)
200 - 600psi (14-41 bar)