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| Categories | DTH Drill Bit | 
|---|---|
| Brand Name: | MING | 
| Model Number: | MDPR4-115 | 
| Certification: | ISO9001 | 
| Place of Origin: | CHINA | 
| MOQ: | 1PC | 
| Price: | 999-99999USD/PC | 
| Payment Terms: | T/T, D/P, Western Union | 
| Supply Ability: | 2000PCS/MONTH | 
| Delivery Time: | 3-5WEEKS | 
| Packaging Details: | WOODEN CASE | 
| Processing type: | Forging,Machining Process | 
| Machine type: | Downhole Tools | 
| Use: | Mining & Water Well Drilling,Quarry Or Mining Or Well Drilling | 
| Type: | Drill Bit | 
| Material: | Tungsten Carbide & Steel | 
| Color: | Blue,Golden,other color available,Army green,Blue and yellow | 
| Product name: | Factory Hot Selling DTH Drill Bits | 
| Application: | Construction,mining Or Welling Drilling | 
| Advantage: | High Performance,High-efficiency | 
| Packing: | Wooden Case | 
| Usage: | Hole Drilling,Water Well,Geothermal Drilling | 
| Face: | Flat / Convex / Concave | 
| Standard: | ISO-9001 | 
| High Light: | 115mm PR4 Reverse Circulation Drill Bits | 
| Company Info. | 
| Wuhan Kingdrilling Diamond Co.,Ltd | 
| Verified Supplier | 
| View Contact Details | 
| Product List | 
Product name: 115mm PR4 Reverse Circulation Drill Bits For Construction Civil
Engineering Project
Product category: DTH drill tools
Diameter: 115 mm
KINGDRILLING high air pressure DTH button bit description:
Kingdrilling has become The Driller’s Choice for some of the world’s small and middle mining projects, thanks to a reliable quality and high cost performance that can supply and service Kingdrilling products in even the most remote and inaccessible parts of the world.
For these customers, Kingdrilling offers a complete range of industry-leading drilling products for exploration, mining, DTH, Piling, water well drilling and blasting operations.
Experience unrivaled speed like never before with the PR4 Reverse Circulation Drill Bits. Engineered to drive through tough materials with ease, it significantly reduces drilling time, allowing you to accomplish more in less time. By maximizing productivity and minimizing downtime, this powerful tool empowers professionals to take on ambitious projects with confidence.
KINGDRILLING Reverse Circulation Drill Bits high air pressure DTH button bit echnical parameters:
| Reverse Circulation Drill Bits | |||||
| Model | Bit Dia.(mm) | NO. X Button Dia. | NO.Air Holes(PCS) | Weight(KG) | |
| Gauge | Front | ||||
| MDPR4-115 | 115 | 8*Φ16 | 8*Φ13 | 2 | 14.4 | 
| MDPR4-127 | 127 | 8*Φ16 | 8*Φ14 | 2 | 15.0 | 
| MDPR4-133 | 133 | 8*Φ16 | 8*Φ14 | 2 | 15.5 | 
Kingdrilling DTH bit advantage:
1. Available with all major drill bit shank designs
2. Three drill bit face designs: concave, flat, convex
3. Multiple carbide designs and grades for operation in a variety
of ground conditions
4. Proprietary heat-treatment process for superior hardness and
wear resistance
5. Regional manufacturing for lower lead times.
FAQ:
1. How about ordinary packaging?
A: If there are no special packaging requirements, we will use it
as our normal packaging. Put the small cartons first, then the
large cartons to ensure the integrity of the goods.
2. Can I expect quality products?
Answer: Yes. Mature production technology ensures that the quality
meets international requirements.
3. How to control the quality?
A: We have our own experienced QC team who will strictly inspect
and test each order before shipping.
4. Fast delivery time:
A: Usually production takes 25 days. If we have your requested size
in stock, it only takes 3 or 5 days.
5. Describe DTH bits.
To drill holes in a range of rock types, down-the-hole (DTH)
hammers are used in conjunction with down-the-hole hammers. The
hammer drill bit is built with a splined drive to rotate the drill
bit underground when used in conjunction with a down-the-hole
hammer.
6. What is a hammer for down the hole?
In essence, down-the-hole drilling (DTH) uses a drill hammer at the
drill string's base. Drilling is dependent on three factors: air,
rotation, and bit load (weight). Together, these active components
efficiently fracture rock.
7. How does down-the-hole drilling work?
A down-the-hole drill rig, commonly referred to as a DTH by most
professionals, is basically a jackhammer that screws onto the
bottom of the drill string. The rapid hammering action breaks the
hard rock into small chips and dust, which are expelled through the
fluid (air, water or drilling mud).
More information:



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