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Diamond Core Tricone Drill Bit 8 1/2 Inch IADC Code 437 For Very Hard Rock Formation Drilling
Diamond Core Tricone Drill Bit 8 1/2 Inch IADC Code 437 For Very Hard Rock Formation Drilling
Diamond Core Tricone Drill Bit 8 1/2 Inch IADC Code 437 For Very Hard Rock Formation Drilling
Diamond Core Tricone Drill Bit 8 1/2 Inch IADC Code 437 For Very Hard Rock Formation Drilling
Diamond Core Tricone Drill Bit 8 1/2 Inch IADC Code 437 For Very Hard Rock Formation Drilling
Diamond Core Tricone Drill Bit 8 1/2 Inch IADC Code 437 For Very Hard Rock Formation Drilling
Specifications
Brand Name :
ROSCHEN
Model Number :
4" ~ 48"
Certification :
ISO,CE
Place of Origin :
CHINA
MOQ :
1-5 piece
Price :
Negotiate
Supply Ability :
2000 pieces
Packaging Details :
Carton
Name :
Diamond Core Drill Bits
Origin :
China diamond core bit
Drill bits :
diamond drill bits
Sale :
diamond core drill for sale
Size :
4 inch diamond core drill
Supplier :
core bore drills supplier
Coring :
Hard Rock Coring
Bits :
Rock Core Drill Bits
Diamond :
Diamond Drill Bits For Rocks
Rocks :
Rock Core Drill
Use :
Hdd Drilling Services
Cutting :
Hard Rock Saw Cutting
Model :
Impregnated Diamond Core Bits
Drilling :
Exploration Core Drilling
Mining :
Australia Mining
Description

Tricone drill bit 8 1/2 inch IADC code 437 for Very Hard Rock Formation Drilling


THREE CONE ROCK BIT 4-1/2" IADC Code 647


THREE CONE ROCK BIT 4-1/2" IADC Code 647 for Granite Basement Gauge Diamond Protection, Shirttail & Leg

Protection

PLASTIC THREAD PROTECTOR FOR EACH.

Tricone bit, insert design, design of the bearing friction sealing protected OD, diameter 8 - 1/2 in, number of cones 3, type of connection API REG SHANK, size of the connection 4-1/2 IN, additional protection leg and cone, type of protection additional insert of CARBIDE tungsten, IADC code 437, nozzle does not include tip CENTRAL, standard of manufacture API 7-1 last edition.

TRICONE DRILL BITS - STANDARD CONNECTION SIZES *
SIZE STANDARD PIN CONNECTION
2 1/2" to 2 3/4" inclusive A - AW Rod
2 7/8" to 3 3/8" inclusive N4 Rod
3 1/2" to 4 1/2" inclusive 2 3/8" API
4 5/8" to 5" inclusive 2 7/8" API
5 1/8" to 7 3/8" inclusive 3 1/2" API
7 1/2" to 9 3/8" inclusive 4 1/2" API
9 1/2" to 14 3/8" inclusive 6 5/8" API
14 1/2" to 18 1/2" inclusive 6 5/8" API or 7 5/8" API
18 5/8" to 26" inclusive 7 5/8" API or 8 5/8" API
27" and larger 8 5/8" API
*Tricone bits are available with alternative connection sizes on request.


First Digit Description
1 STEEL TOOTH BITS for Soft Formation
Bits that feature long, widely spaced teeth, to drill soft formation such as shales, soft sandstone, clay and all unconsolidated formations.
IADC CODES 111 - 126 - 134
2 STEEL TOOTH BITS for Medium Formation
With medium length teeth, closer spaces, to drill unconsolidated limestones, medium sandstones, clay, marls.
IADC CODES 211 - 224 - 234
3 STEEL TOOTH BITS for Hard Formation
With short, closely spaced teeth with tungsten carbide hardfacing, for hard and abrasive formations such as sandstones, dolomite, hard limestone and granite.
IADC CODES 311 - 314 - 321
4 TCI BITS for Soft - Medium Soft formations
5 Features large chisel-shaped tungsten carbide inserts to provide the highest penetration rates in the softest formations such as shales, clays, limestone and sands.
IADC CODES 437 - 517 - 527
6 TCI BITS for Medium Hard - Hard formations
Effective in a variety of formations with higher compressive strength such as hard limestone, sandstone, dolomite and other formations with high abrasive quality, hard streaks and broken formations.
IADC CODES 617 - 627 - 637
7 TCI BITS for Hard and abrasive formations
8 With hemispherical tungsten carbide inserts. To optimize penetration rate in hard and abrasive formations such as granites, basalts, quartzite and chert. Drilling weight of 3 ± 4 tons per inch of diameter should be applied.
IADC CODES 732 - 737 - 837
Second Digit FORMATION
1 1, 2, 3 and 4 are further breakdown of formation with 1 being the softest and 4 the hardest.
2
3
4
Third Digit BEARING / SEAL TYPE
1 Standard open bearing roller bit
2 Standard open bearing roller bit, air-cooled
3 Standard open bearing roller bit with gauge protection which is defined as carbide inserts in the heel of the cone
4 Sealed roller bearing bit
5 Sealed roller bearing bit with gauge protection
6 Journal sealed bearing bit
7 Journal sealed bearing bit with gauge protection
Fourth Digit ADDITIONAL FEATURES
A Air Application
R Reinforced Welds
C Center Jet
S Standard Steel Tooth
D Deviation Control
X Chisel Insert
E Extended Jet
Y Conical Insert
G Extra Gage Protection
Z Other Insert Shape
J Jet Deflection

FAQ


1. Methods of Payment:
T/T (Telegraphic Transfer) or Western Union or L/C at sight


2. Handling time for an order
Based on order quantity, normally it takes 20 days for production.
in 3 working days after receiving the advance payment


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 every order before shipping out.


5. After Services:
a. Our sales team will response for your question within 24 hours (Holidays Excluded)
b. Technical Support will be available in any time


6. Quality & Service:
A. There will be strict inspection and testing for every order before shipping out.
B. Our sales team and Technical Support will response for your question within 24 hours .
C. Free replacement will provide once the failure confirmed caused or our product quality.

Terms & Conditions of Ordering:

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 damage 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.



For more information, please contact:


ROSCHEN GROUP LIMITED

Skype: ROSCHEN.TOOL , ROSCHEN_GROUP

WeChat: +86-137 6419 5009 ; +86-135 8585 5390

WhatsApp: +86-137 6419 5009 ; +86-135 8585 5390

Email: roschen@roschen.com ; roschen@roschen.net

Website: http://www.roschen.com ; http://www.roschen.net

http://www.roschen.cn ; http://www.roschendrill.com

Keywords:


Tricone Bits IADC 537
TCI roller tricone Bit IADC 537
American Tricone Bits
Baker Hughes Tricone Drill Bits
America West Drilling Supply
Exploration Core Drilling
tricone bit for well drilling
Baker Hughes Tricone Drill Bits
6 inch STX TCI Tricone Drill Bit,
hughes tricone bits

Product tags

hq diamond core drill bit

,

pq diamond core drill bit

,

32mm diamond core drill bit
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Diamond Core Tricone Drill Bit 8 1/2 Inch IADC Code 437 For Very Hard Rock Formation Drilling

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Product Detail
Brand Name :
ROSCHEN
Model Number :
4" ~ 48"
Certification :
ISO,CE
Place of Origin :
CHINA
MOQ :
1-5 piece
Price :
Negotiate
Contact Supplier
Diamond Core Tricone Drill Bit 8 1/2 Inch IADC Code 437 For Very Hard Rock Formation Drilling
Diamond Core Tricone Drill Bit 8 1/2 Inch IADC Code 437 For Very Hard Rock Formation Drilling
Diamond Core Tricone Drill Bit 8 1/2 Inch IADC Code 437 For Very Hard Rock Formation Drilling

ROSCHEN GROUP

Verified Supplier
11 Years
shanghai, shanghai
Since 1921
Business Type :
Manufacturer, Distributor/Wholesaler, Exporter, Seller
Main Products :
Down The Hole Drilling, Tricone Drill Bit, Diamond Core Drill Bits
Total Annual :
5000-2000000
Employee Number :
100~500
Certification Level :
Verified Supplier
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