High Air Pressure DTH Drill Hammers

• Customization: Available
• Usage: Hole Drilling
• Color: Red, Black, Yellow
• Model NO.: COP32, QL40,DHD350,Mission 60, SD8,SD12,Numa125
• Application: Waterwell, Tunneling, Drifting, Construction
• Condition: New
• Size: 1", 2", 3′′, 4′′, 5′′, 6′′, 8′′, 10′′, 12′′
• Shank Stype: Br, Mach, DHD, Cop, Mission, Ql, Xl, SD
• Transport Package: Wood Package
• Specification: CE, SGS, ISO: 9001
• Trademark: PRODRILL
• Origin: China
• HS Code: 8412310090
• Production Capacity: 1000sets/Month

Product Description

High Air Pressure DTH Drill Hammers


Generally instruction:
1, valveless air distribution. More reliable.
2, simple design of the piston, long life.
3, More efficient energy transfer, faster drilling speed, lower air consumption and lower oil consumption.
4, fewer internal parts, simple structure, longer life, less failure and easier to maintain becayse all the parts are heat treated.
5, It is easy to disassemble because the top sub, the drive chuck and the external cylinder are connected by multi-step thread.

Prodrill High quality forging DTH Hammer
It is a kind of high air pressure DTH Hammer without foot valve and without valve, our newest design. It is also one of the most advanced DTH Hammers in the world.
 

Specification:	External Diameter (mm)	Connection thread	Hole rang (mm)
Low air pressure DTH hammer CIR type	50~180	CIR**	55~200
Middle air pressure BR & COP type	70~110		85~115
3 inch DTH hammer COP34/QL30 etc	81	API 2 3/8" Reg	90~110
4 inch DTH hammer COP44/DHD340 etc	99	API 2 3/8" Reg	110~150
5 inch DTH hammer COP54/Mission50 etc	125	API 2 3/8" or API 3 1/2" Reg	135~165
6 inch DTH hammer COP64/QL60 etc	142	API 3 1/2" Reg	152~216
8 inch DTH hammer COP84/SD8 etc	180	API 4 1/2" Reg	203~305
10, 12inch DTH Hammer NUMA 100, NUMA 125	275	API 6 5/8 Reg PIN	305-445

We manufacture DTH Hammers in different sizes ranging from 1 to 12. These hammers are made corresponding to Drilling Bits to carry out prevalent objectives. These hammers are used in various down the hole operations like bench Drilling. These are valve less hammers with optimized air cycle frequency. These are heavy duty hammers that well at greater depths demanding less air usage, delivering minimum performance loss. 
We offer IR hammer, DHD3.5, DHD340a, DHD360, DHD380,COP and QL hammer.The optimum range of hole size for blast drilling with DTH is 90mm to 254mm,smaller blast holes are generally drilled using top hammer, and larger holes generally use rotary machines. Our hammer like COP and QL are known fort heir reliability and longevity. 
 
1-12 inch middle-low/high air pressure DTH hammer & bit 
Big hole high air pressure DTH hammer using in water well, oil, gas and construction drilling 
Eccentric overburden drilling Equipment 
Hole opener bit 
Rock thread bit 
Shank adapter, coupling sleeves and all kinds of adapters 

Advantages:
Compared with the oversea brands, our advantages are bellowing:
a. Our products can match over 95% against the original products
b. Price are competitive against the famous brands and best quality against the small factory