Drillsphere 18INCH DTH HAMMER
Drillsphere offers a wide range and versatile of high pressureDTH hammers from 2inch to 28inch. Hammers are a variable for down hole and
blast hole applications and use in nearly all ground conditions.
Like all of other Drillsphere DTH hammers, the 18inch DTH hammer maintains excellent operation pressure and extend service life and overall
is the tool you require to get the maximum out off all your equipment.

1.System introduction
To drill through overburden and into bedrock,the large diameter DTH hammer used on dual-power drill rig, is a better way to save cost than using
casing drilling tools. It is applied for drilling through cave, gravel, boulder, weathered bedrock, with single hole depth over 25m. This method is
widely used for embedded prefabrication piles,long spiral piles and large diameter end bearing piles.

2.Features
·Widely applied for complex rock formations like caves, pebbles, fissures etc.
·Drilling through hard rocks with high rate of penetration.
.Low air consumption.

3.Advantages
.Simple structure without inner cylinder ensure high reliability caves, pebbles, fissures etc. and easy maintenance.
·Customized DTH bit steel,reduces rate of body broken and cracking failure.
·Fixed position for the stabilizer for easy modification.