Bestlink Hot Sell DTH Down The Hole DTH Drill Hammer with Good Quality

Product Description

Bestlink Hot Sell DTH down the hole DTH drill hammer with Good Quality
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.
Available series of DTH hammer:
1) high pressure
SD series hammer: SD 5, SD 6, SD 8 and SD 12 DTH Hammers.
QL series hammer: QL 50, QL 60, QL 80 DTH Hammers.
HD series hammers: DHD 3.5, DHD 340. DHD 350, DHD 360, DHD380 DTH Hammers.
Mission series hammers: M30, M40, M50, M60, M80 DTH Hammers.
Cop series hammers: Cop 32/34, Cop 42/44, Cop 54/64 DTH Hammers.
2) low air pressure: BR1, BR2, CIR 70, CIR 90, J60, J80, J100, J150, etc.

Product Name:	CIR90 down the hole DTH drill hammer
Description:	CIR90 down the hole DTH drill hammer were used for blast hole drilling and water well drilling project. Working with DTH drilling pipe and DTH drill bit, mainly applied in Mining, Marble quarry or well drilling and other construction projects.
Quality level:	95% similarity to COP/SD/MISSION/QL/BR/DHD etc famous brand
MOQ:	No requirement for testing and trial order
Series:	COP/ SD/ DHD/ IR/ Mission/ QL/ BR/ CIR etc
Specification:	Weight (kg)	External Diameter (mm)	Connection thread	Hole rang (mm)	Impact rate	Recommended rotation speed
Low air pressure DTH hammer CIR type	5 ~22	50~180	CIR**	55~200	820 rpm
Middle air pressure BR & COP type	10~30	70~110		85~115
3 inch DTH hammer COP34/QL30 etc	24.5	81	API 2 3/8" Reg	90~110	28Hz (at 17 bar)	28 r/min
4 inch DTH hammer COP44/DHD340 etc	39.2	99	API 2 3/8" Reg	110~150	27Hz (at 17 bar)	25~40 r/min
5 inch DTH hammer COP54/Mission50 etc	71.5	125	API 2 3/8" or API 3 1/2" Reg	135~165	25Hz (at 17 bar)	20~30 r/min
6 inch DTH hammer COP64/QL60 etc	98	142	API 3 1/2" Reg	152~216	23Hz (at 17 bar)	15~25 r/min
8 inch DTH hammer COP84/SD8 etc	188	180	API 4 1/2" Reg	203~305	20Hz (at 17 bar)	15~20 r/min

---

>> Professional One Dollar Items for Dollar Stores Wholesale Buyer in China
>> Taijia rebar detector in concrete ZD310 ferroscan Integrated concrete rebar scanner locator rebar locator
>> 2020 Zoomlion Concrete Pump Truck 63m with Mercedes Benz Chassis Used Hydraulic Concrete Pump Truck Price
>> 0.75kw 0.8MPa Mattress Auto Sewing Machine
>> 2021 Horizontal GS Approved Machine Hobby Engine Lathe 360mm
>> Baby Battery Car/ Ride on Car for Baby
>> Feed Machinery Farm Equipment Tilapia Fish Feed Machine
>> New Type-High Speed Cheaper Price Circular Loom for Flour Woven Bags Product Line and Woven Sack Making Machinery
>> USB RS232 2D Qr Code Scan Barcode Scanner
>> Original Brand New Lenovo LP2 TWS Wireless Headphones Dual Stereo Bass Touch LP1 Update IPX5 Life Waterproof Dual Microphone
>> Online Wholesale and Retail Dubai Arabic Perfume Top Selling High Quality Fragrance for Men Women Long Lasting Classic Scent Body Spray 2025
>> Custom Cosmetic Perfume Cylindrical Cardboard Round Cylinder Packaging Box Kraft Paper Tube
>> 2019 Christmas Stock Glass Water Pipe Smoking Pipe
>> Taijia ZC3 original price schmidt hammer sale price concrete rebound test hammer
>> Family Four Wheel Bike Surrey Bike Children Gift Rental Bicycles
>> Multi Head Spindle Automatic Gear Type Drilling Tapping Machine
>> Office Steel Filing Cabinet Metal Storage Cupboard Adjustable Shelf Double Door Documents File Cabinet
>> 1100mm Diameter Round Electromagnet for Excavator
>> 4040 Pressure Vessel FRP Membrane Housing Shell in Ro Water Treatment Plant
>> High Quality Modern Metal Legs Velvet Dining Table and Chairs