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Down The Hole DTH Hammer Bits Low Air Pressure CIR80 CIR90 90mm DTH Drill Bit
In Down the hole drilling, the DTH hammer bit is a continuation of the shank, which the rock drill piston strikes directly. Since the piston is in direct contact with the drill bit, little energy is lost. This gives DTH drilling a nearly constant penetration rate regardless of hole length.
We select best steels from Sweden Ovako factory or Baogang, the Tungsten carbide inserts are top material treated with hot insert technology.
DTH Hammer drill bits are normally used on limestone,Granite, bluestone etc.the selected button inserts can let the drill bits bear any hardness rocks. also, we have special design to improve the drilling efficiency.
Feature of our DTH Hammer Bits
Models: | Cir,BR,Cop,SD,Mission,QL, DHD from low air pressure to high air pressure. |
Button Size: | Ballastic,Spherical,Semi-Spherical,Concial button etc. |
Face Size: | Concave, Convex,Flat Face |
Diameter: | From 64mm to 102mm diameter |
Water Holes: | 2 or 3 water Holes |
Splines: | from 6 to 12 pcs splines |
We can design and manufacture the personalized products to meet your specical apllication, such as changing the tungsten carbide insert profile (spherical, ballistic, etc.), face profile (flat face, concave, convex, etc.), and flushing holes.
Product Name: | dowon the hole DTH Hammer Bits downhole equipment | |||||
Description: | DTH hammers are 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 | |||||
Our DTH hammer bits matches most top class brands as Atlas Copco, Sandvik, Furukawa etc drill rig. | ||||||
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 |
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Middle air pressure BR & COP type | 10~30 | 70~110 |
| 85~115 |
|
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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 |
CIR Series Low Air Pressure DTH Bit Specification:
CIR Series low air pressure DTH Bits | |||
Type | Diameter (mm) | Number of Splines | Weight (kg) |
CIR65 | 68 | 6 | 2.50 |
CIR70 | 76 | 6 | 3.40 |
CIR80 | 83 | 6 | 3.45 |
CIR80X | 83 | 6 | 3.50 |
CIR90 | 90 | 6 | 3.50 |
CIR90 | 100 | 6 | 4.50 |
CIR90 | 130 | 6 | 9.50 |
CIR110 | 110 | 6 | 6.40 |
CIR110 | 123 | 6 | 8.50 |
CIR110W | 110 | 6 | 6.50 |
CIR6110W | 123 | 6 | 8.80 |
CIR6150 | 155 | 6 | 12.0 |
CIR150A | 155 | 6 | 12.5 |
CIR150A | 165 | 6 | 14.0 |
More Down the Hole DTH Hammer Bits
Product | DTH Button Bits |
Low Air Pressure | CIR80, CIR90 |
3’’ | DHD3.5, M30, |
4’’ | DHD340, SD4,QL40, M40 |
5’’ | DHD350, SD5,QL50, M50 |
6’’ | DHD360, SD6,QL60, M60 |
8’’ | DHD380, SD8,QL80, M80 |
Color | Green, Gold, Black or based on customer requirements. |
MOQ: | No MOQ required for testing and trial order |
Why choose our Rock drill tools?
1. Our rock drill rod connect with button bits perfectly for drilling holes
2. Stable and mature welding technology ensure high quality of bits
3. Accurate dimension of taper degree perfectly matches the button bits
4. work reliable and very cost-effective
5. Rod bodies manufactured from high grade steel and processed using state-of-the-art CNC machinery and heat treatment
DTH Hammer bit is also called DTH BIT, DTH Button Bit, Down The Hole Button Bit, Rock Bit, Rock Drill Bit,
Low Air Pressure DTH Button Bit, High Air Pressure DTH Button Bit
We specializes in Rock drilling tools, including rock drill bits,tapered drill tools,threaded drill tools,Down the hole drilling tools ( DTH ), which are widely used in mining , quarrying , well drilling and construction . All these products are compatible with other world world leading brands such as Atlas Copco , Sandvik , Mitsubishi and Boart Longyear.
1. Packing details : Wooden case and steel bundle.
2. Handling time for an order
Based on order quantity, normally it takes 15-30 days for production.
Only 2 or 3 days if we have stock on your request size.
3. Shipping way
Sample order: We suggest Express like DHL/UPS/TNT/FEDEX/EMS or by air.
Bulk order: We suggest by sea shipment.
Test is the best way to find suitable rock drilling tools, for samples please Email drillbit@qq.com