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DHD340A 152mm Concave Convex 6 1/2 Inch DTH Drill Bits

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DHD340A 152mm Concave Convex 6 1/2 Inch DTH Drill Bits
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Features
Specifications
Name: DHD340A Button Bits
Item: DHD340A Hammer Button Bits
Series: DTH Bit
Use: Rock Drilling
Using: Blast Hole Rock Drilling
Model: DHD340 DTH Hammer
Series No: DHD340 DTH Hammer Button Bits
Application: Ming, Quarry, Construction, Geothermal Drilling
High Light:

6 1/2 Inch DTH Drill Bits

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DHD340A DTH Drill Bits

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152mm rock drilling tools

Basic Infomation
Place of Origin: CHINA
Brand Name: ROSCHEN
Certification: ISO
Model Number: DHD340 152
Payment & Shipping Terms
Packaging Details: wooden box
Supply Ability: 1000000 pcs
Product Description

 

DTH Bit DHD340A 152mm , DTH hammer Bit 6 1/2 inch concave, convex for Rock Blast hole Mining drilling


Basic Information: 
1. Model NO.: COP44, DHD340-115mm
2. Trademark: ROSCHEN
3. HS Code: 8207199000


Product Description
Down the Hole drill button bits with COP44, DHD340 bit shank


Down the hole(DTH) tools manufacturer ROSCHEN supply DTH Drill Bits are available in a wide range of sizes and with a number of custom design features for optimum performance in a rock formation, which are designed to match all conceivable applications for water well industries, mining and construction.

Bit head shape selection: Drop Center Bit, Concave Face, Convex Face, Double Guage Face, Flat Face Bit.

 

ROSCHEN DHD Hammer
ROSCHEN DHD hammer size GSE DHD Hammer working pressure The impact frequency when it is working on 18Bar
ROSCHEN DHD3.5 6 bar ~ 35 Bar 32Hz
ROSCHEN DHD340 6 bar ~ 35 Bar 31Hz
ROSCHEN DHD350 6 bar ~ 35 Bar 30Hz
ROSCHEN DHD360 6 bar ~ 35 Bar 28Hz
ROSCHEN DHD380 6 bar ~ 35 Bar 23Hz

 

 

DHD dth bit specifications
Shank style Diameter in mm Flat face Convex face Concave face Approx. weight Part number
DHD3.5 85   5.0 kgs DHD3.5-85
90   5.8 kgs DHD3.5-90
95   5.9 kgs DHD3.5-95
100 6.1 kgs DHD3.5-100
105 6.3 kgs DHD3.5-105
DHD340 105 8.6 kgs DHD340 -105
110 8.8 kgs DHD340-110
115 9.0 kgs DHD340-115
120 9.5 kgs DHD340-120
127 9.9 kgs DHD340-127
DHD350 135 16.2 kgs DHD350-135
140 16.5 kgs DHD350-140
146 17.0 kgs DHD350-146
152 17.8 kgs DHD350-152
165 18.5 kgs DHD350-165
DHD360 152 23.3kgs DHD360-152
165 25.2 kgs DHD360-165
171 25.8 kgs DHD360-171
190 28.5 kgs DHD360-190
203 29.5 kgs DHD360-203
DHD380 203 48.1 kgs DHD380-203
216 52.0 kgs DHD380-216
241 58.7kgs DHD380-241
254 60.4 kgs DHD380-254
292 80.1 kgs DHD380-292


DHD340A 152mm Concave Convex 6 1/2 Inch DTH Drill Bits 0


DHD340 DTH bits advantage


1. Material: superior quality alloy steel which is made by Timken in U.S.
2. Tungsten carbide: "Element Six" T.C carbide which provides (the T.C buttons) for Boart Longyear.
3. Higher and more reliable quality owing to the high-tech equipment and production technology.


DHD340A 152mm Concave Convex 6 1/2 Inch DTH Drill Bits 1

 

Technical Data

 

Note: We can also design and manufacture the different diameter, holes number, carbide button shape and face shape according to the customers' requirement.

 


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.
2. Convex:
Suitable for the formation of moderate hardness stratum, drilling efficiency is good, borehole perpendicularity is moderate.
3. 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.


Our Advantages as below:


1. High quality steels materials. Tungsten carbide are YK05, or T6 from Element Six in Germany
2. Roschen DTH tools are forged by advanced electron-hydraulic forging hammer.
3. Advanced heat-treatment equipment: Aichelin brand multipurpose furnace heat treatment.
4. Completed moulding (tooling ) departments with many molds available.
5. Professional R&D team,completed quality system.
6. Strict Quality-Check Systems.


The information you may like to know before order:


1. Methods of Payment:
   T/T (Telegraphic Transfer) or Western Union or L/C at sight, other payment terms are negotiable.
2. Handling time for an order
    Based on order quantity, normally it takes 25 days for production.
    Only 3 or 5 days if we have stock on your request size.
3. Shipping way
    Sample order: We suggest Courier express like DHL/UPS/TNT/FEDEX or by air
    Bulk order: We suggest by air or by sea.
4. Quality Control
    We have our own experienced QC.
    There will be strict inspection and testing for each order before shipping out.
5. After Services:
    Our sales team will response for your question within 24 hours (Holidays Excluded)
    Technical Support will be available in any time

 

Our Service
Pre-sale service:
*Inquiry and consulting support
*Sample testing support.
*View our factory

After-Sale Service
*Traning how to install the machine, training how to use the machine.
*Engineers available to service machinery overseas.


Product Application:
Main used for mining, quarrying and construction projects.

 

About our Company

Roschen group limited is established in 1952, which is the holding by Germany Robert Roschen family, we are global leading manufacturers specialized in researching and producing DTH hammer, DTH bit, thread DTH bits, top hammer drill bits, RC drill hammer & bits, Trincone bits, taper DTH bits, coupling sleeve, drill rods, Shank adapter, Casing drilling system, and so on.

 

Package and Delivery:
Packed by Carton or Plywood cases.

 

Delivery:
Goods in stock can be delivered within 5 days.

DTH Bits production time is about 15 days.

DTH Hammer product time is about 20 days.

 

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Get in touch with us
Contact Person : Bill, George, Michael
Tel : 8613764195009
Fax : 86-021-54380177
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