• 311mm DHD High Air Pressure DTH Button Drill Bits for Underground Drilling
  • 311mm DHD High Air Pressure DTH Button Drill Bits for Underground Drilling
  • 311mm DHD High Air Pressure DTH Button Drill Bits for Underground Drilling
  • 311mm DHD High Air Pressure DTH Button Drill Bits for Underground Drilling
  • 311mm DHD High Air Pressure DTH Button Drill Bits for Underground Drilling

311mm DHD High Air Pressure DTH Button Drill Bits for Underground Drilling

Certification: ISO 9001:2000, SGS
Standard: GB
Surface Treatment: Spray-Paint
Manufacturing Process: Forging
Material: Carbon Steel
Model: Mddhd10-311
Samples:
US$ 3249.4/Piece 1 Piece(Min.Order)
| Request Sample
Customization:
Gold Member Since 2018

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Manufacturer/Factory, Trading Company
  • Overview
  • Product Description
  • Technical date
  • Product Application
  • Company Profile
  • Our Advantages
  • After Sales Service
  • Packaging & Shipping
  • FAQ
Overview

Basic Info.

Model NO.
MDDHD10-311
Bit Dia
311mm
No. Air Holes
4PCS
Weight
130kg
Transport Package
Wooden Case
Trademark
MING
Origin
China
HS Code
8207199000
Production Capacity
20000PCS/Year

Product Description

311mm DHD High Air Pressure DTH Button Drill Bits for Underground Drilling
Product Description

KINGDRILLING rock drilling tools manufacturer produces a various range of DTH hammer bits with DHD shanks type for a wide range of hole sizes, which have been designed to match all conceivable applications for water well industries, mining and construction.

Shank types: DHD3.5, DHD340A, DHD350R, DHD360, DHD380.
DTH rock drill bits hole diameter: 3'', 4'', 5'', 6'', 8''(85mm-305mm)

- High-speed drilling with our DTH bits ensures efficient and speedy drilling operations.
- Offers customization options to meet specific drilling needs, providing tailored solutions for different applications.
- Enjoy the fast and efficient service of our dedicated team, guaranteeing timely assistance and support.
- Benefit from stable and rapid production lead times, ensuring continued order availability and timely delivery.

- Extended service life with durable DTH bits designed to withstand continuous and intense use in demanding working environments.

311mm DHD High Air Pressure DTH Button Drill Bits for Underground Drilling
311mm DHD High Air Pressure DTH Button Drill Bits for Underground Drilling
 
Technical date
 
1-2 inch Middle air pressure DTH bits
Model Bit Dia.(mm) NO. X Button Dia. NO.Air Holes (PCS) Weight (KG)
Gauge Front
MDHD25-76 76 6*Φ13 5*Φ10 2 3.6
MDHD25-82 82 6*Φ14 4*Φ11 2 4.0
MDHD25-90 90 8*Φ12 5*Φ12 2 4.2
3 inch hight air pressure DTH bits
MDDHD32-85 85 6*Φ13 4*Φ12 2 4.2
MDDHD32-90 90 6*Φ14 4*Φ12 2 4.5
MDDHD32-95 95 6*Φ14 4*Φ13 2 4.7
MDDHD32-100 100 6*Φ14 5*Φ12 2 5.0
MDDHD32-105 105 6*Φ14 5*Φ13 2 5.3
MDDHD34-85 85 6*Φ13 4*Φ12 2 4.2
MDDHD34-90 90 6*Φ14 4*Φ12 2 4.5
MDDHD34-95 95 6*Φ14 4*Φ13 2 4.8
MDDHD34-100 100 6*Φ14 5*Φ12 2 5.0
MDDHD34-105 105 6*Φ14 5*Φ13 2 5.5
MDDHD44-105 105 6*Φ14 5*Φ13 2 8.5
MDDHD44-110 110 7*Φ14 6*Φ13 2 8.8
MDDHD44-115 115 7*Φ14 6*Φ13 2 9.0
MDDHD44-120 120 8*Φ14 7*Φ13 2 9.8
MDDHD44-127 127 8*Φ14 7*Φ13 2 11.0
5 inch high air pressure DTH bits
MDDHD54-135 135 7*Φ18 6*Φ14 2 15.0
MDDHD54-140 140 7*Φ18 7*Φ14 2 16.0
MDDHD54-146 146 7*Φ18 7*Φ14 2 17.0
MDDHD54-152 152 8*Φ18 8*Φ14 2 17.5
MDDHD54-165 165 8*Φ18 8*Φ16 2 18.5
6 inch high air pressure DTH bits
MDDHD64-152 152 8*Φ18 7*Φ16 2 22.0
MDDHD64-165 165 8*Φ18 8*Φ16 2 26.0
MDDHD64-171 171 8*Φ18 8*Φ16 2 27.0
MDDHD64-190 190 9*Φ18 9*Φ16 3 28.5
MDDHD64-203 203 9*Φ18 11*Φ16 3 29.5
8 inch high air pressure DTH bits
MDDHD84-203 203 10*Φ18 10*Φ16 2 40.0
MDDHD84-216 216 10*Φ18 12*Φ16 2 49.0
MDDHD84-241 241 12*Φ18 18*Φ16 2 64.0
MDDHD84-254 254 12*Φ18 21*Φ16 3 71.0
MDDHD84-305 305 12*Φ18 29*Φ16 4 95.0
10 inch high air pressure DTH bits
MDDHD10-254 254 12*Φ18 20*Φ16 3 108.0
MDDHD10-305 305 12*Φ18 36*Φ16 4 125.0
MDDHD10-311 311 12*Φ18 36*Φ16 4 130.0
MDDHD10-318 318 12*Φ18 38*Φ16 4 142.0
MDDHD10-330 330 16*Φ18 42*Φ16 4 155.0
12 inch high air pressure DTH bits
MDHD1120-305 305 12*Φ18 36*Φ16 4 152.0
MDHD1120-311 311 12*Φ18 36*Φ16 4 157.0
MDHD1120-330 330 16*Φ18 42*Φ16 4 165.0
MDHD1120-356 356 16*Φ19 48*Φ16 4 178.0
MDHD1120-381 381 16*Φ19 48*Φ18 4 198.0
Big size bits using in Waterwells, Oil, Gas and Construction Drilling.
MDHD275-311 311 15*Φ18 36*Φ16 3 205.0
MDHD275-334 334 18*Φ19 44*Φ18 3 216.0
MDHD275-356 356 18*Φ19 48*Φ18 3 225.0
MDHD275-368 368 20*Φ19 50*Φ18 4 230.0
MDHD275-381 381 20*Φ19 54*Φ19 4 236.0
MDHD330-381 381 20*Φ19 54*Φ18 4 297.0
MDHD330-406 406 20*Φ19 58*Φ18 4 311.0
MDHD330-431 431 20*Φ19 64*Φ18 4 324.0
MDHD330-445 445 24*Φ20 72*Φ18 4 334.0
MDHD330-470 470 24*Φ20 80*Φ18 4 347.0
MDHD475-495 495 24*Φ20 88*Φ18 4 710.0
MDHD475-525 525 24*Φ20 100*Φ18 4 760.0
MDHD475-580 580 24*Φ20 116*Φ18 4 855.0
MDHD475-660 660 28*Φ20 140*Φ19 4 950.0
MDHD475-680 680 28*Φ20 144*Φ19 4 968.0
MDHD525-711 711 28*Φ20 154*Φ19 4 1455.0
MDHD525-762 762 32*Φ20 172*Φ19 4 1539.0
MDHD525-780 780 32*Φ20 180*Φ19 4 1564.0
MDHD525-825 825 36*Φ20 216*Φ19 4 1625.0
MDHD525-998 998 40*Φ20 348*Φ19 4 1980.0

How to choose the suitable head face of the DTH drill bit?
  1.  Concave:
Suitable for all kinds of formation, especially for deep well drilling, perpendicularity of the hole is wonderful.
  1.  Convex: 
Suitable for the formation of moderate hardness stratum, drilling efficiency is good, borehole perpendicularity is moderate.
  1.  Flat:        
Suitable for special hard formation stratum, especially for fracture, crack spacing and complex formation drilling effect is very good, has the good perpendicularity of the borehole.
Product Application

It is widely used in earth and stone engineering mining Wells drilling construction projects drilling Wells edge pillar support.

311mm DHD High Air Pressure DTH Button Drill Bits for Underground Drilling
311mm DHD High Air Pressure DTH Button Drill Bits for Underground Drilling
 
Company Profile

Wuhan Kingdrilling Diamond CO., LTD, one of the most professional private manufacturer specialized in researching and producing Overburden casing drilling system, DTH hammer, DTH drill bits, Core bits, Thread bits, Taper bits, Shank adapter, Drilling rods, Coal mining picks and related rock drilling tools.

Relying on the university resources and talent advantages in High-tech region, combining with multiple laboratories in universities, we have more power focused on developing the newest products system.

Our DTH drilling tools are produced with advanced technology from Britain. The company is equipped with advanced production facilities including electron-hydraulic forging hammer, multipurpose furnace heat treatment production line, high performance CNC machines, from raw materials prepared, forging, heat treatment, mechanical processing, a completed manufacturing system is finished in the factory. Strict quality control standards make sure stable quality. 

Whatever in construction, engineering, piling, water well drilling, tunneling, mining, quarrying or horizontal drilling industry, KINGDRILLING will do the best to satisfy your demands. "Kingdrilling, Keep On Striving", we'll always be in this line to serve our customers the most reliable products and the best support.

311mm DHD High Air Pressure DTH Button Drill Bits for Underground Drilling
311mm DHD High Air Pressure DTH Button Drill Bits for Underground Drilling
311mm DHD High Air Pressure DTH Button Drill Bits for Underground Drilling
 
Our Advantages
  1. High quality: We are the partners with a lot of big factories in China. We can provide the best quality products to you. 
  2. Competitive price: Competitive price because of direct factory price. 
  3. Fast delivery time: It usually takes 20 days for production.only 3 or 5 days if we have stock of your request size.
  4. Best quality control: We have our own experienced QC team,there will be strict inspection and testing for each order before shipping out.
  5. Problems solve ability: This ability comes from rich experiences of drill bits industry and reliable sales..
  6. OEM,ODM service: Your own request about product will be served well.
  7. Best after service: We will go to your place to check and solve the problems if you need.
After Sales Service

1.Pre-sale service:

Act as a good adviser and assistant of clients enable them to get rich and generous returns on their investments .
1.Select equipment model;
2.Design and manufacture products according to client's special requirement ;
3.Train technical personnel for clients .

2.Services during the sale:

1.Pre-check and accept products ahead of delivery .
2. Help clients to draft solving plans .

3.After-sale services:

Provide considerate services to minimize clients' worries.
1.Complete After-sales service,professional engineers available to service machinery at home or oversea.
2. 24 hours technical support by e-mail.
3.Other essential technological service.

Packaging & Shipping

Packed by Carton or Wooden cases.
Delivery:

  1. Goods in stock can be delivered within 5 days.
  2. DTH Bits production time is about 15 days.
  3. DTH Hammer product time is about 30 days.

Transprotation: By air, By Express or By sea / By train , according to your requests.

311mm DHD High Air Pressure DTH Button Drill Bits for Underground Drilling
FAQ

1. How to order the products?

A: Please send the inquiry with detail item description or with Model number.

2. Can I expect a quality products?

A: Yes. mature production technology ensuring the quality satisfy international request.

3. How to check the product are the exact one you want?

A: If possible, please attach one reference picture to avoid any misunderstanding or any links from ourwebsite for a better understanding.

4. How to make sure the quality?

A: More than 40 Years engineer to make sure the quality, 100% inspection.

5. What is the general delivery time?

A: 15 working days for DTH bits.

20-25 working days for DTH hammer

3-5 working days for ex stock items.

6. Methods of Payment

A: T/T (Telegraphic Transfer) or Western Union.

More products:
311mm DHD High Air Pressure DTH Button Drill Bits for Underground Drilling

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Gold Member Since 2018

Suppliers with verified business licenses

Manufacturer/Factory, Trading Company
Registered Capital
5000000 RMB
Plant Area
>2000 square meters