Product Description
Coupling sleeve is one of important component for top hammer drill string. There are 3 types of coupling
components: Full Bridge, Semi-Bridge, Cross over adapter.
Prodrill T38,T45,T51 Full Bridge Coupling Sleeve:
Full-Bridge Coupling Sleeve
Eliminates the potential for the coupling to creep along the threaded joints
Typically used in surface applications
Better uncoupling characteristics and tend to maintain tighter joints
Less chance of jamming
Best suited to machines equipped with independent rotation
Product Name
Rock Drilling Coupling Sleeve
Usage
Small hole drilling ,Tunnelling and Drifting ,Bench and Production Drilling
Material
Carbon Steel
Length
1.T38-190mm 2.T45-210mm 3.T51-235mm
Why Choose US:
1. Adopt advanced heat treatment technology, product quality is stable, suitable for all kinds of rock.
2. After many tests, the product life is at the top level in China.
3. The product has excellent stability, and the adverse after-sale feedback of the product is less than 0.5%.
4. The suitable bit head design enables our bit to drill more efficiently and wear better.
5. Increase processing of the back of bit's head can better protect the DTH Hammer, thus , thus reducing the grinding of the front joint of the impactor and prolonging the life of the DTH Hammer.
6. Adopt round guage button and parabolic front button design, increase drilling efficiency, and at the same time can make the guage button more hard to break, better stability.
APPLICATION
FACTORY STRENGTH
Certifications
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
TEAMWHOLE DTH Drilling Rig Tools Low Pressure BR3 DTH Hammer for BR Shank Series DTH Bit
TEAMWHOLE JS DTH HAMMER
The JS series DTH hammer is a new type of high pressure hammer which developed
by our company. It is one of the most cost-effective DTH hammer in China. This series of hammer are match to bit without foot valve. It is with fast penetration, low air consumption, good stability and long service life.
For more information, please visit KSQ Technology.
Bits diameter Shank Metric Inch 1" 64mm-70mm 2 1/2"-2 3/4" BR1 2" 70mm-95mm 2 3/4"-3 3/4" MACH20/BR2 3" 90mm-102mm 3 1/2"-4" COP32/COP34/MACH303
Other DTH hammer
PRODUCT SPECIFICATIONS
JS--DHD SHNAK DTH HAMMER SPECIFICATION
Bit shank
Length/mm
Thread
OD/mm
Work pressure
Rec.speed rotation/r/min
(m³/min at 18bar)
Air consumption
kg
Weight
DHD3.5
863mm
API 2 3/8"REG
80MM
2.0Mpa
30-60
7
22
DHD340
967mm
API 2 3/8"REG
99MM
2.5Mpa
30-60
11
38.4
DHD350
mm
API 3 1/2"REG
126MM
2.8Mpa
25-55
16
68.4
DHD360
mm
API 3 1/2"REG
148.5MM
3.0Mpa
25-55
20
101.5
DHD380
mm
API 4 1/2"REG
185MM
3.0Mpa
25-55
23
152.7
DHD112
mm
API 6 5/8"REG
275MM
3.0Mpa
25-55
41
295
JS-SD SHANK DTH HAMMER SPECIFICATION
Bit shank
Length/mm
Thread
OD/mm
Work pressure
Rec.speed rotation/r/min
(m³/min at 18bar)
Air consumption
kg
Weight
SD4
967mm
API 2 3/8"REG
99MM
2.5Mpa
30-60
11
38.4
SD5
mm
API 3 1/2"REG
126MM
2.8Mpa
25-55
16
68.4
SD6
mm
API 3 1/2"REG
148.5MM
3.0Mpa
25-55
20
101.5
SD8
mm
API 4 1/2"REG
185MM
3.0Mpa
25-55
23
152.7
SD12
mm
API 6 5/8"REG
275MM
3.0Mpa
25-55
41
295
JS--QL SHANK DTH HAMMER SPECIFICATION
Bit shank
Length/mm
Thread
OD/mm
Work pressure
Rec.speed rotation/r/min
(m³/min at 18bar)
Air consumption
kg
Weight
QLX40
967mm
API 2 3/8"REG
99MM
2.5Mpa
30-60
11
38.4
QL50
mm
API 3 1/2"REG
126MM
2.8Mpa
25-55
16
68.4
QL60
mm
API 3 1/2"REG
148.5MM
3.0Mpa
25-55
20
101.5
QL80
mm
API 4 1/2"REG
185MM
3.0Mpa
25-55
23
152.7
QL120
mm
API 6 5/8"REG
275MM
3.0Mpa
25-55
41
295
Company Profile
Workshop Show
Certifications
Applications
Exhibition
Changsha Tianhe Drilling Tools and Machinery Co.,Ltd was established in ,located in Industrial Development Zone,Ningxiang,Changsha,China.The company has over 60,000 square meters workshop and more than100 technological backbone and 50 experts with more than 20years of DTH rock drilling tools experience.It mainly manufactures DTH hammers and bits with capacity of drilling holes from 3" to 43"(76-mm)in diameters, DTH drilling tools with large diameters for deep holes drilling,Eccentric(ODEX)casing system and Concentric casing system, Reverse circulation hammers and bits, accessories of rock drills and some other equipments. The products are widely used in mining, water well engineering, construction, geological exploration, geothermal drilling, oil and gas and other fields.The company's advanced production equipment and analytical instruments can ensure the productsreliable quality and stable performance. Ail of our products are produced according to quality management system ISO:.Our products are mainly exported to South America, Africa, Europe, Australia, Middle East and other places which over 50 countries.
Want more information on 76mm DTH Hammer Drill Bits? Feel free to contact us.