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

---

>> XV9738a HEIE450617R ABB module supply
>> Series Automatic Hqt300m-1000 Multi-Function CE Certified Slant Bed CNC Milling Turn Machine
>> Wireless Bluetooth Interactive Whiteboard Smart Board for Smart Office and Teaching Support Android, Mac, Windows, Chrome
>> Customized Hardware Aluminum Die Casting for Remote Control Devices
>> China Amulite Fiber Cement Board /Fibre Cement Sheet/Fiber Cement Panel/Corrugated Cement Sheet Machine
>> Cheap Rechargeable BTE Hearing Aids Suppliers From Shenzhen
>> Anodizing Aluminum Decorative Metal Chain Link Mesh For Door Fly Screen Curtain
>> China made sensor 3000TD-E for power plant
>> Aluminum perforated plate for decorative /high price best quality perforated metal mesh with china supplier
>> Injection Molding Grade Plastic Raw Material Flame Retardant Fr V0 Transparent ABS Pellets Carbon Fiber Reinforced CF20 CF25
>> Paint and Pigment High Speed Dispersion Mixer Disperser
>> 10 in. Bench Table Drilling Machinezj4116 Mini Drill Press
>> Hydrogen-Sulfide-Immune Inconel 625 Seamless Tubes for Deepwater Oil Wells
>> Food Grade PVC Food Cling Wrap Film High Stretch Transparent Clear Waterproof Plastic Packing Material Wrapping Film Stretch Film Jumbo Roll
>> Wholesale High Quality Folding Rubber Cotton Mop Hands-Free Water Absorbing Sponge Mop
>> Si5000 Flow Sensor Monitor 45mm for Ifm
>> best-fishing-reel-china classic fly japan fishing reels spinning
>> Hot Selling Portable Diode Laser Depilation Device
>> Brand New Throttle Body Valve Assy 9017509 For Chevrolet Wuling N200 N300 B12 Engine Replaces 9052842 24556341
>> Automatic Cake Icing Machine / Cake Making Machine