Maxdrill Ql40 Hard Rock 4 inch DTH Hammer for down hole drilling

Product Details

1.The Characteristics Of High Air Pressure DTH Hammer
-with foot valve
3.It is a kind of valveless high air pressure DTH Hammer with foot valve
4.It has the following characteristics:
5.Valveless air distribution. More reliable.
6.Simple design of the piston, long life.
7.More efficient energy transfer,faster drilling speed,
8.lower air consumption and lower oil consumption.
9.Fewer internal parts, simple structure,longer life,
10.Less failure and easier to maintain because all the parts are heat treated.
11.Easy to disassemble because the top sub, the drive chuck and the external cylinder are connected by multistep thread .
12.Explanation of High Air Pressure DTH Hammer
-With Foot Valve Code
13.Example One:MD55
M-Maxdrill(Our company name )
D-DHD Bit Shank
5-5"hammer
5-The Fifth Generation Hammer
Example Two:MQL4
M- Maxdrill(Our company name )
QL4-QL40 Bit Shank