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Mission 80 Down The Hole DTH Hammer Bits for Vale Iron Ore Blast Hole Drilling
Mission 80 Down The Hole DTH Hammer Bits for Vale Iron Ore Blast Hole Drilling
Mission 80 Down The Hole DTH Hammer Bits for Vale Iron Ore Blast Hole Drilling
Mission 80 Down The Hole DTH Hammer Bits for Vale Iron Ore Blast Hole Drilling
Mission 80 Down The Hole DTH Hammer Bits for Vale Iron Ore Blast Hole Drilling
Mission 80 Down The Hole DTH Hammer Bits for Vale Iron Ore Blast Hole Drilling

Mission 80 Down The Hole DTH Hammer Bits for Vale Iron Ore Blast Hole Drilling

Min.Order: 1
Product origin: Hefei, Anhui, China
Infringement complaint: complaintComplaint
US$ 300 ~ 10000

Description

DTH drill bit

Now the high pressure DTH drill bit is currently used in the face design. There are four main types: end surface convex surface, end surface planar surface, end surface concave surface and end surface deep concave center type. Carbide more choice of ball teeth, spring teeth or ball teeth and spring teeth shared tooth mode.      

Roschen has a comprehensive range of DTH drill bits to match all conceivable applications. Each bit is made from quality alloy steel, and has been precision machined to produce a perfect body, heat treated to the required hardness, given surface compression for fatigue resistance, and fitted with precision buttons manufactured in-house. These are deigned for specific applications for all rock types, hardness's and condition. Bit life and rate of penetration are the most important criteria in selecting the right bit for a particular application.

Bit Face Shape Selection:

Drop Center:
For High penetration rates in soft to medium hard and fissured rock formations. Low to medium air pressure. Maximum hole deviation control. 

Concave Face:
The all round application bit face specifically for medium hard and homogenerous rock formations. Good hole deviation control and good flushing capacity.

Convex Face:
For high penetration rates in soft to medium hard with low to medium air pressures. It is the most resistance to steel wash, and may reduce the load and wear on the gauge buttons, but poor hole deviation control. 

Double Gauge Face:
This kind of face shape is suitable for fast penetration rates in medium to hard rock formations. Designed for high air pressures and good resistance to steel wash step gauge bit.

Flat Face:
This kind of face shape is suitable for hard to very hard and abrasive rock formations in applications with high air pressures. Good penetration rates an resistance to steel wash. 

Pineapple Face:
The Pineapple Bit can be dressed with ballistic buttons for use in soft to medium hard formations where fractured rock can be expected, or can be supplied with spherical buttons for hard and abrasive formations.

DTH drills are classified into high-pressure down-the-hole drills and low-pressure down-the-hole drills. At present, the polycrystalline diamond downhole drill bit is better, with high strength, high hardness, strong wear resistance, impact resistance and good self-sharpening, and its wear resistance is 5-20 times higher than that of cemented carbide. You can consider ROSCHEN Diamond DTH bit, improve work efficiency, reduce consumption, reduce the time to replace the drill and get lower drilling cost!


Product specifications: 

For 8" hammer
DTH bits shank		Bit Dia.No. Air HolesGauge
Buttons		Front
Buttons		Weight
(Kg)		Part No.
mminch
DHD380/COP841957 11/1639×φ189×φ1632DHD380-195
2038"29×φ1810×φ1841DHD380-203
2168 1/2"210×φ1812×φ1649DHD380-216
25410"311×φ1817×φ1671DHD380-254
30512"412×φ1829×φ1695DHD380-305
SD81957 11/1639×φ189×φ1632SD8-195
2038"39×φ189×φ1841SD8-203
2168 1/2"210×φ1812×φ1649SD8-216
25410"311×φ1817×φ1671SD8-254
30512"412×φ1829×φ1695SD8-305
QL801957 11/1639×φ189×φ1632QL80-195
2038"39×φ189×φ1841QL80-203
2168 1/2"210×φ1812×φ1649QL80-216
25410"311×φ1817×φ1671QL80-254
30512"412×φ1829×φ1695QL80-305
Mission801957 11/1639×φ189×φ1635M80-195
2038"39×φ189×φ1840M80-203
2168 1/2"210×φ1812×φ1654M80-216
25410"311×φ1817×φ1657M80-254
30512"412×φ1829×φ1677M80-305


ROSCHEN hammer bit technical data:
 
ROSCHEN DTH Bits Specifications
Hammer  SizeBits diameterShankROSCHEN CODE
MetricInch
1"64mm-70mm2 1/2"-2 3/4"BR1ROS 11
2"70mm-95mm2 3/4"-3 3/4"MACH20/BR2ROS 22
3"90mm-102mm3 1/2"-4"COP32/COP34/MACH303ROS 32
M30/DHD3.5/BR3ROS 34
4"105mm-152mm4 1/8"-6"COP44/DHD340/MACH44ROS 42
SD4/M40/QL40ROS 44
5"133mm-165mm5 1/4"-6 1/2"COP54/DHD350R/MACH50ROS 52
SD5/M50/QL50/BR5ROS 54
6"152mm-254mm4 1/8"-10"COP64/DHD360/SD6ROS 62
M60/QL60/Bulroc BR6ROS 64
8"203mm-330mm8"-13"COP84/DHD380/SD8ROS 82
QL80/M80/M85ROS 84
10"254mm-380mm10"-15"SD10ROS 100
NUMA100
12"305mm-508mm12"-20"DHD1120/SD12ROS 120
NUMA120/NUMA125
Notes: 
Metzke, Remet thread is available!
Any special size of DTH bits will be available by requests.

Shank can be available:

1), Dia. 64mm-70mm shank Bulroc BR1
2), Dia. 70mm-95mm shank Halco MACH20, Bulroc BR2
3), Dia. 90mm-102mm shank COP32, COP34, Halco MACH303, M30, DHD3.5, Bulroc BR3
4), Dia. 105mm-152mm shank COP44, DHD340, Halco MACH44, SD4, M40, QL40, Bulroc BR4
5), Dia. 135mm-165mm shank COP54, DHD350R, COP54, Halco MACH50, SD5, M50, QL50, Bulroc BR5
6), Dia. 152mm-254mm shank COP64, DHD360, SD6, M60, QL60, Bulroc BR6
7), Dia. 203mm-330mm shank COP84, DHD380, SD8, QL80
8), Dia. 254mm-380mm shank SD10, Numa100
9), Dia. 305mm-508mm shank DHD1120, SD12, N120, N125
10), Dia. 405mm-864mm shank SD15, SD18
11), VKP80, VKP95, CIR90, CIR100, CIR110, CIR150, CIR200...


We can also provide related products DTH hammers, ODEX system, symmetrix systems, slide block drilling systems, etc and DTH drilling pipes for various thread API REG, API IF, BECO, etc


Product photos


Quality warranty:

Our products are made of high quality steel and all spares parts are inspected strictly before shipping. We have quickly responses for your complaint and suggestion.

Package:
Using ply-wooden cases and pallet for package to protect the products and avoid the damagement during transportation. Also we can customize package according to your special requests.

Production time:
Generally need 15-25 days

Transportation:
By air, By Express or By sea according to your requests.








FAQ 

Q: Are you a manufacturer or trading company ?
A: We are a specialized manufacturer.

Q: How about the delivery terms ?
1. Payment: T/T, L/C, Western Union, Paypal, 30% deposit in advance and rest before delivery.
2. Min. order quantity: 1 piece.
3. Transportation: By DHL/TNT/Fedex express, air, sea, train.

Q: How about discount ?
A: Price is based on products and order quantity.

Q: Do you accept sample order?
A: Yes sure, please contact us for details.

Q: How about your after-sales service?
A: As a manufacturer, we offer promt technology support for all problems and questions. Besides, we accept goods return or replace for quality problem.



For more information please contact:


 
ROSCHEN INC.
ROSCHEN GROUP LIMITED
ROSCHEN HOLDINGS LIMITED
 
 +86-137 6419 5009 ; +86-135 8585 5390
 
Website: http://roschen.en.made-in-china.com 

 ; http://roschen.en.made-in-china.com 


http://roschen.en.made-in-china.com 

 ; http://roschen.en.made-in-china.com 
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