Rubber Sealed Steel Tooth/Milled Tooth Tricone Bit

Product Details
Customization: Available
Customized: Customized
Standard: API, ISO 9001
Diamond Member Since 2014

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Management System Certification
ISO9001:2008
OEM/ODM Availability
No
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Basic Info.

Model NO.
8.5in
Length
Taper-length
Type
Core Drill Bit
Material
Tungsten Carbide
Usage
Well Drilling
Number of Shaft
3
Controlling Mode
Artificial
Structure
Deep Hole Drilling
Precision
High Precision
Condition
New
Wob
0.4-1.0kn/mm
Rpm
120-50
Transport Package
Wooden Case
Specification
ISO
Trademark
hengji
Origin
Hebei Hejian
HS Code
82071990
Production Capacity
1000PCS/Month

Product Description

We guaranteed products at a competitive price and high quality. At present, our products have a very good sale in
Domestic and overseas market. We wish to cooperate with you to create a bright future and mutual benefit. Much appreciation for your prompt attention in advance, we are eager to look forward to hearing from you soon.

Rubber sealed sliding bearing bits are sealed by special type "O". Under the normal rotary speed conditions, they can stand high bit pressure. The bore surface of the cone has been treated with special techniaue in order to improve sliding motion of the bearing. And every performance is improved greatly.
1 O-shape seal ring with high saturation butadience acrylonitrile rubber improved the bearing sealed reliability.
2 To adapt high strength and toughness hard alloy teeth, the shock resistance has been increased and the breakage rate has been decreased.
3 The bearing contact surface, neck journal of jaw have been adapted to wear resistance alloy materials, the special craft processing has been applied in the bore surface of the cone which increases the load capability and the working life.
4 Optimized tooth number of cone and height of tungsten carbide tooth which improved the total cutting property and drilling footage.
5 High-performance lubricant grease has been applied in bearing which increased lubricating and protecting.
IADC WOB RPM Applicable Formations
(KN/MM) (r/min)
(Bit Dia)
116  117 0.35~0.8 150~80 Very soft formations with low compressive strength and high drillability,such as clay,mudston,chalk etc.
126  127 0.35~0.9 150~70 Soft formations with low compressive strength and high drillability,such as mudstore,gypsum,salt,softshale.soft limestone,ect.
136  137 0.35~1.0 120~60 Soft to mesium soft formations with low compressive strength and high drillability.such as medium soft shale,hard gypsum,medium soft limestone.medium soft sandstone soft formation with harder nterbeds,ect.
216  217 0.4~1.0 100~60 Medium hard formations with high compressive strength,such as medium soft shale,hard gypsum,medium soft limestone,medium soft sandstone,soft formation with harder interbeds ect.
246  247 0.4~1.0 80~50 Medium hard formations with high compressive strength,such as abrasive shale.limestone,sandstone,dolomite,hard gypsum,marble,ect.
417  437 0.35~0.9 150~70 Very soft formations with low compressive strength and high drillability,such as clay,mudston,chalk,gypsum,salt,soft shale,soft limestone,etc.
447
517  527 0.35~1.0 140~60 Soft formations with low compressive strength and high drillability,such as mudstore,gypsum,salt,soft shale.soft limestone,ect.
537  547 0.45~1.0 120~50 Soft to medium formations with low compressive strength,such as medium soft shale,medium soft limestone,medium soft sandstone,medium formation with harder and abrasiver interbeds,ect.
617  627 0.45~1.1 90~50 Medium hard formations with high compressive strength,such as hard shale,limestone,sandstone,dolomite,ect.
637 0.5~1.2 80~40 Hard formations with high compressive strength,such as sandstone,limestone,dolomite,hard gypsum,marble,ect.

 
 

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