® MAXDRILL I & KEMRICO Industry Technology I

Down The Hole Hammer & Bit 01

The Characteristics Of High Air Pressure DTH Hammer -with foot valve It is a kind of valveless high air pressure DTH Hammer with foot valve It has the following characteristics: ♦ Valveless air distribution. More reliable. ♦ Simple design of the piston, long life. ♦ More efficient energy transfer,faster drilling speed, lower air consumption and lower oil consumption. ♦ Fewer internal parts, simple structure,longer life, Less failure and easier to maintain because all the parts are heat treated. ♦ Easy to disassemble because the top sub, the drive chuck and the external cylinder are connected...

MD35 DTH HAMMER High Air Pressure with foot vlave DTH Hammers Item Description Technical Date Length(Less bit)

MSD4 DTH HAMMER High Air Pressure with foot valve DTH Hammers Item Description According to your request,the top sub can be made into two spanners,and put protection buttons.An air controlling hole can be drilled on the check valve to provide more efficient cuttings discharge. Technical Date Length(Less bit) Weight(Less bit) External diameter

rxtafiy locfrtokigy I High Air Pressure with foot valve DTH Hammers Item Description According to your request,the top sub can be made into two spanners,and put protection buttons.An air controlling hole can be drilled on the check valve to provide more efficient cuttings discharge. Technical Date Length(Less bit) Weight(Less bit) External diameter Down The Hole Hammer & Bit 07

High Air Pressure with foot valve DTH Hammers Item Description According to your request,the top sub can be made into two spanners,and put protection buttons.An air controlling hole can be drilled on the check valve to provide more efficient cuttings discharge. Technical Date Length(Less bit) Weight(Less bit) External diameter

MQL5 DTH HAMMER Item Description High Air Pressure with foot valve DTH Hammers According to your request,the top sub can be made into two spanners,and put protection buttons.An air controlling hole can be drilled on the check valve to provide more efficient cuttings discharge.

MSD6 DTH HAMMER Item Description High Air Pressure with foot valve DTH Hammers According to your request,the top sub can be made into two spanners,and put protection buttons.An air controlling hole can be drilled on the check valve to provide more efficient cuttings discharge.

MD85 DTH HAMMER High Air Pressure with foot valve DTH Hammers Item Description According to your request,the top sub can be made into two spanners,and put protection buttons.An air controlling hole can be drilled on the check valve to provide more efficient cuttings discharge. Technical Date Length(Less bit) Weight(Less bit) External diameter

rxLa*y lac/nofcyv I Down The Hole Hammer & Bit 15

MN100 DTH HAMMER High Air Pressure with foot valve DTH Hammers Item Description According to your request,the top sub can be made into two spanners,and put protection buttons.An air controlling hole can be drilled on the check valve to provide more efficient cuttings discharge. Technical Date Length(Less bit) Weight(Less bit) External diameter

MN125 DTH HAMMER High Air Pressure with foot valve DTH Hammers Item Description According to your request,the top sub can be made into two spanners,and put protection buttons.An air controlling hole can be drilled on the check valve to provide more efficient cuttings discharge. Technical Date Length(Less bit) Weight(Less bit) External diameter

The Characteristics Of High Air Pressure -without foot valve DTH Hammers It is a kind of high air pressure DTH Hammer without foot valve,our newest design.It is also one of the most advanced DTH Hammers in the world. It has the following characteristics: ♦ Out of the trouble of foot valve fracture and expansion and contraction. ♦ Lower energy consumption and higher impact frequency. The drilling speed is 15%-30% higher than the same type with the valve. ♦ Simple structure ,reliable parts, long life , easy and cheap maintenance. ♦ Lower air and oil consumption. The oil consumption is about 10%...

MBR1A DTH HAMMER Middle-Low Air Pressure DTH Hammer without foot valve Item Description Technical Date Length(Less bit) Weight(Less bit) External diameter

Middle-Low Air Pressure DTH Hammer without foot valve Item Description Technical Date Length(Less bit) Weight(Less bit) External diameter

rxtafiy locfrtokigy I High Air Pressure without foot valve DTH Hammers Item Description Technical Date Length(Less bit) Weight(Less bit) External diameter Down The Hole Hammer & Bit 23

High Air Pressure without foot valve DTH Hammers Item Description According to your request,the top sub can be made into two spanners,and put protection buttons.An air controlling hole can be drilled on the check valve to provide more efficient cuttings discharge. Technical Date Length(Less bit) Weight(Less bit) External diameter

MD45A DTH HAMMER High Air Pressure without foot valve DTH Hammers Item Description According to your request,the top sub can be made into two spanners,and put protection buttons.An air controlling hole can be drilled on the check valve to provide more efficient cuttings discharge. Technical Date Length(Less bit) Weight(Less bit) External diameter

High Air Pressure without foot valve DTH Hammers Item Description According to your request,the top sub can be made into two spanners,and put protection buttons.An air controlling hole can be drilled on the check valve to provide more efficient cuttings discharge. Technical Date Length(Less bit) Weight(Less bit) External diameter

rxtafiy locfrtokigy I High Air Pressure without foot valve DTH Hammers Item Description According to your request,the top sub can be made into two spanners,and put protection buttons.An air controlling hole can be drilled on the check valve to provide more efficient cuttings discharge. Technical Date Length(Less bit) Weight(Less bit) External diameter Down The Hole Hammer & Bit 27