API Reg Thread Drilling DHD380 Down The Hole Hammer

Leading in the manufacture of DOWN-THE-HOLE and TOP HAMMER drilling tools, ZR company produces drilling tools completed in variety. ZR brand drilling tools apply to constructions of wide range with high reliability. Drilling performance is top class in the industry. Widely used in the drilling of soft rock and hard rock, mining of iron ore, gold mine, and coal mine, construction of water well, geothermal and ground and foundation engineering, etc. ZR drilling tools have been serving drilling constructions nationwide. And widely export to Russia, Australia, South Korea and more than 20 countries worldwide.
API Reg Thread Drilling DHD380 Down The Hole Hammer

ZR DTH hammer features,
1.For drilling hole in mining, quarry, water well and geothermal, anchoring, piling, etc.;
2.Adpot newest rock drilling theory, better transmission of energy, bigger power for each impact; 
3.Simple parts, more wear-resistence;
4.Low air consumption, energy saving, fast penetration speed;
5.Simple structure, easy maintance, low faliure rate; low disamble rate, long service life, low operating cost, steady in performance.
 

ZRC SERIES DTH HAMMER
Model No.Hammer
Outside Dia.
Length
w/o bit
Weight
w/o bit
Working
Pressure
Impact
Frequency
Recommended
Rotation Speed
Air
Consumption 
Top Sub ThreadDrill Bit Dia.
(mm)(inch)(mm)(Kg)(Mpa)(HZ)(r/min)(m3/min)(mm)
ZRC3.5-CIR90φ813.5869230.7~1.416~1825~406~10T48×10φ90~φ110
ZRC3.5A-CIR90φ813.5770220.7~1.416~1825~403.7~7.5T48×10φ90~φ110
ZRC3.5A-DHD3.5φ813.5865231.0~2.525
(at 1.7MPa)
25~405~9API (2 3/8)″
(REG)
φ90~φ110
ZRC4-DHD340φ9941046421.0~2.527
(at 1.7MPa)
25~406~15API (2 3/8)″
(REG)
φ110~φ135
ZRC4A-DHD340φ994985381.0~2.530
(at 1.7MPa)
25~406~14API (2 3/8)″
(REG)
φ110~φ135
ZRC5-DHD350φ12551226751.0~2.525
(at 1.7MPa)
20~359~23API (2 3/8)″
(REG)
API (2 3/8)″
(IF)
API (3 1/2)″
(REG)
φ135~φ155
ZRC5A-DHD350φ12651105
(1120 if with API (3 1/2)″ thread)
671.0~2.528
(at 1.7MPa)
20~357~19API (2 3/8)″
(REG)
API (2 3/8)″
(IF)
API (3 1/2)″
(REG)
φ135~φ155
ZRC6-DHD360φ136613921051.0~2.523
(at 1.7MPa)
20~3010~28API (3 1/2)″
(REG)
API (2 3/8)″
(IF)
φ152~φ203
ZRC6A-DHD360φ143612381001.0~2.525
(at 1.7MPa)
20~309~26API (3 1/2)″
(REG)
φ152~φ203
ZRC8A-DHD380φ180813541731.0~2.522
(at 1.7MPa)
15~2512~28API (4 1/2)″(REG)φ195~φ254
ZRC10A-NUMA100φ2261015353091.0~2.520
(at 1.7MPa)
15~2522~65API (5 1/2)″(REG)φ254~φ311

API Reg Thread Drilling DHD380 Down The Hole Hammer
API Reg Thread Drilling DHD380 Down The Hole Hammer
API Reg Thread Drilling DHD380 Down The Hole Hammer
API Reg Thread Drilling DHD380 Down The Hole Hammer
API Reg Thread Drilling DHD380 Down The Hole Hammer
API Reg Thread Drilling DHD380 Down The Hole Hammer
 

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