
Handheld Button Bit Grinder
China
5YR![]()
Min Order : 1 Pieces
2021 DTH Ground Drill Button Bit for Mining 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
Established: Dec 22,2000
Main Product: stone splitting machine, stone cutting machines, stone splitter, pushing air bag, button bit grinder, dth hammer button bit
Richard Chen
CEO
Tel: 0086-5925601702
Adr: No.350-8001#, Changle Road, Huli District, Xiamen City, Fujian Province, China

China
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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. |
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| 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 |




China
5YR![]()

China
2YR![]()

China
13YR![]()

China
8YR![]()

China
11YR

China
2YR![]()

Turkey
12YR![]()

China
6YR![]()
Xiamen Bestlink Factory Co., Ltd is committed to provide the best drilling and cutting machine, tools and accessories products in marble and granite stone quarrying, as well as in civil engineering application, especial demolition project. it is now a leading manufacturer of cutting and drilling equipment for the extraction of marble, granite and ornamental stones in china.
Since 1985, we have produced and supplied high quality SPLITSTAR® Non-Explosive Demolition Agent to our worldwide customers to cover the quarrying and demolition industries.
From early 2000,we have been made a start in the study and developed the Hydraulic rock and concrete splitter machine by patent inventions, and reached a great success in domestic and overseas market, Now, we are the only producer and exporter in China.
In 2004, we have been developing and produced the patented products: Hydraulic Rock Drill,pneumatic line drilling machine…we offers a vast range of hydraulic and pneumatic drills and machines for diamond wire cutting as well as all kinds of accessories for quarrying activities.
From 2007,we builded the production line to produce the hydraulic stamping & splitting machine for paving,wall stone processing.Today,we can provide a series of stone splitting machine to cover all the request for building construction.
With years of experience,our quality products are being exported to more than 45 countries all over the world including USA, and Europe with high reputation.
We are continually looking for ways to develop drilling,cutting and stone processing technology for rock drilling,demolition and stone industry, hope to be a world leading company about quality and prices of rock drill tools,expansive cement and hydraulic Splitting machine within 5 years. Thank you very much for your support and wish to get your deep interest and be your best partner.
| Factory size | 935 |
|---|---|
| Production lines | 5 |
| Factory location | Xiamen city |
| R&D capacity | Own Brand, ODM, OEM |