Low Pressure DTH Hammers

Superdrill DTH hammers are all simple structure, easy to assemble and disassemble, as well as reliable quality and long service life. Superdrill has various hammer models suitable to drill holes from 64mm to 1000 mm (2-1/2” ~ 39-3/8”) in diameter; and come with three kind: low pressure (5 ~ 7 bars), middle pressure (7 ~ 15 bar) and high pressure ­­(7~ 30 bars).

Superdrill  DTH hammers mainly be produced with shank type of DHD, QL, SF, COP, Mission, SD, BR, CIR and ACD series, Diameter ranging from 2” to 8” for mining and quarrying, and 6” to 32” for      water-well drilling, oil-well drilling and foundation and so on.

Low Pressure DTH Hammers:

Shanks Design	Working Pressure		Drilling Range
	Bar (0.1 MPa)	PSI (lb/in2)	mm	inch
CIR90	5~7	70~100	85~110	3 1/4 ~ 4 3/8
CIR110	5~7	70~100	110~135	4 3/8 ~ 5 3/8
CIR150	5~7	70~100	155~178	6 1/8 ~ 7