DTH Back Drilling Hammer Cop for 8~12 Inch Well Borehole Bh190

• Customization: Available
• After-sales Service: Yes
• Warranty: The Degree of Product Wear
• Model NO.: Bh190
• Foot Value: with ,Wihout Both Will Do
• Series: SD, HD, Ql,Cop ,Br, DHD, Mission,HD,Numa
• Aplication: DTH Drilling. Coal Mining, Quarry,Water Well Drill
• Transport Package: Wooden, or Others
• Specification: iso9001
• Trademark: QIDELI, LEILI
• Origin: China
• HS Code: 8207199000
• Production Capacity: 500000PCS Per Year

Product Description

 

DTH Back Hammer
 

Product Description

In case of jamming in the drilling process, the back hammer will help you to save the time and cost.
The back hammer is installed between the rotary head and drill pipe, it will produce reverse impact and vibration effects to solve the stuck problem. The back hammer is composed by five parts, the structure is very simple, easy to maintain. You only need to keep it clean and protect the connection part

Application

1. mine and quarry
2. road construction for the drilling and blasting work
3. water well drilling
4. slope protection

About us:
Qideli are a famous drilling tool manufacturer in China since 1990
We Support :
1.DTH Hammer & button bit, drill rod 
2.Top hammer bit & shank adapter & drill rod 
3.Taper bit, taper rod 
4.New and used air compressor and drilling rig 
Our products have a great advantage both in price and quality, as well as gotten good reputation from our customers from South Africa, Iran, Malaysia, Burkina Faso, South Korea, Japan, Spain, and the Middle East ETC,more than 50 countries or regions

Customization is welcome ,we are always be here for your solutions,when you need in. 

Hammers	Bit Shank	Connection Thread	Suitable bit	Working pressure	Air consumption
1-3" Middle-low pressure DTH hammers	BR1  BR2 BR3	RD40 box RD50 box API 2 3/8" Reg	¢64-¢76mm ¢70-¢90mm ¢90-¢110mm	0.7-1.75Mpa 0.7-1.75Mpa 0.7-1.75Mpa	0.7Mpa	4.5m3/min
					1.0Mpa	4m3/min
					1.4Mpa	5m3/min
3" hammers	DHD3.5 COP32/COP34 M30 BR33	API 2 3/8"Reg	¢90-¢110mm	1.0-1.5Mpa	1.0Mpa	4.5m3/min
					1.5Mpa	9m3/min
4" hammers	DHD340 COP44 QL40 SD4 M40 SP480	API 2 3/8"Reg	¢105-¢130mm	1.0-2.5Mpa	1.0Mpa	6m3/min
					1.8Mpa	10m3/min
					2.4Mpa	15m3/min
5" hammers	DHD350 COP54 QL50 SD5 M50 SP580 MACH54	API 2 3/8"Reg/API 3 1/2"Reg	¢130-¢156mm	1.0-2.5Mpa	1.0Mpa	9m3/min
					1.8Mpa	15m3/min
					2.4Mpa	23m3/min
6" hammers	DHD360 COP64 QL60 SD6 M60	API 3 1/2"Reg	¢152-¢203mm	1.0-2.5Mpa	1.0Mpa	10m3/min
					1.8Mpa	20m3/min
					2.4Mpa	28.5m3/min
8" hammers	DHD380 COP84 QL80 SD8	API 4 1/2"Reg	¢200-¢279mm	1.0-2.5Mpa	1.0Mpa	15m3/min
					1.8Mpa	26m3/min
					2.4Mpa	34m3/min
10" hammers	SD10 NUMA100 DHD1100	API 6 5/8"Reg	¢254-¢330mm	1.0-2.5Mpa	1.0Mpa	22m3/min
					1.8Mpa	40m3/min
					2.4Mpa	55m3/min
12" hammers	DHD1120 SD12 NUMA120 NUMA125	API 6 5/8"Reg	¢305-¢381mm	1.0-2.5Mpa	1.0Mpa	30m3/min
					1.8Mpa	56m3/min
					2.4Mpa	78m3/min

 

Why Choose US:  
 

a.The selection of materials is reasonable, the manufacturing technology is advanced, and the quality is guaranteed.

 

b. Higher drilling speed.

 

c.Hardening treatment can be provided to extend the service life and reduce the use cost.

 

d. The single impact force is large, and the power consumption of the broken stone is low.

 

e. The piston and weight have good power transmission.

 

f.  The structural design adopts modern theory to make the stress wave last longer, the stress amplitude is lower, and the piston life is longer

Application

 

Company information 

Putian Qideli Engineering Equipment Co., Ltd.
1. Our company has a history of more than 30 years, and the products have been recognized by the majority of users
2. Our products have been exported to more than 40 countries, and the customer's anti-single rate has reached more than 95%
3. Our product quality is stable and the price is very competitive

Certificate

Exhibition

 

FAQ

The information you may like to know before order:

1. Methods of Payment:

  T/T (Telegraphic Transfer) or Western Union or L/C at sight

2. Handling time for an order

  Based on order quantity, normally it takes 25 days for production.

  Only 2 or 3 days if we have stock on your request size.

3. Shipping way

  Sample order: we suggest Courier express like DHL/UPS/TNT/FEDEX or by air

  Bulk order: we suggest by air or by sea.

4. Quality Control

  We have our own experienced QC.

  There will be strict inspection and testing for every order before shipping out.
 

5. After Services:

  a. Our sales team will response for your question within 24 hours (Holidays Excluded)

  b. Technical Support will be available in any time

  c. Free replacement will provide once the failure confirmed caused by our product quality

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