3inch to 12inch Down The Hole DTH Hammer

• Customization: Available
• Warranty: 3months
• Brand: Prodrill
• Model NO.: COP32, QL40,DHD350,Mission 60, SD8,SD12,Numa125
• Model Type: DHD, Ql, SD, Mission, Cop, Numa
• Application: Drilling
• Transport Package: Wood Package
• Specification: CE, SGS, ISO: 9001
• Trademark: PRODRILL
• Origin: China
• HS Code: 8412310090
• Production Capacity: 1000sets/Month

Product Description

DTH  Hammer


General Introduction:

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.

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
 

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