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12 1/4 FA517G Tricone Rock Bit for Medium Hard Formation / Water Well Drilling
12 1/4 FA517G Tricone Rock Bit for Medium Hard Formation / Water Well Drilling
Specifications
Brand Name :
FLRT
Model Number :
12 1/4" FA517G
Certification :
API-7-1, ISO 9001:2008
Place of Origin :
China
MOQ :
20pcs
Supply Ability :
300pcs per quarter
Delivery Time :
5~45 workdays
Packaging Details :
plywood box / iron box
Bearing Type :
Sealed Friction Bearing With Gauge Protection
Cutting Material :
TCI
Standard :
API-7-1, ISO 9001:2008
Series :
FA
IADC :
517
Supplementary Features :
G : Reinforced Gauge Protection
Application 1 :
Water Well Drilling
Application 2 :
Shallow Oil Well Drilling
Description

12 1/4" FA517G, Tricone Rock Bit, Water Well Drilling Bit , Medium Hard Formation , IADC 517

RECOMMENDED DRILLING PARAMETERS FOR APPLICATION

Types & IADC Code

417

437

447

517

527

517

527

537

547

617

627

637

WOB

KN/mm(Bit Dia.)

0.4~0.9

0.4~0.9

0.35~1.0

0.35~1.0

0.5~1.0

0.6~1.1

0.7~1.2

Lb/in. (Bit Dia.)

2285~5142

2285~5142

2000~5714

2000~5714

2857~5714

3428~6285

4000~6857

Rotation Speed (Rpm)

140~60

240~70

125~50

~60

110~50

100~40

80~4

Bearings

- Functions:


• Support radial load
• Support thrust or axial loads
• Secure the cone on the leg


- Supporting loads is achieved by outer and nose bearing


- Ball and friction bearings secure the cone on the leg


- Two different bearing are available: antifriction and friction


- Antifriction bearings or roller are two types: Roller-ball-roller (RBR), and roller-ball-friction


- RBR, nose roller; intermediate ball; and outer roller


- The ball secure the cone


- Size influenced by journal angle and cone size


- RBR suffers from spalling of the races of the pin


- RBR bit have short life than Friction Bearing Bit


- Normally used with bit with diameter greater than 12.25 in with adequate space and in situation where high rotary speed is required

Product tags

tricone drilling bit

,

s135 well drill rods

,

rock drilling tricone bits
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12 1/4" FA517G Tricone Rock Bit for Medium Hard Formation / Water Well Drilling

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Product Detail
Brand Name :
FLRT
Model Number :
12 1/4" FA517G
Certification :
API-7-1, ISO 9001:2008
Place of Origin :
China
MOQ :
20pcs
Supply Ability :
300pcs per quarter
Contact Supplier
12 1/4 FA517G Tricone Rock Bit for Medium Hard Formation / Water Well Drilling

FLRT Bit

Site Member
8 Years
beijing, beijing
Since 1992
Business Type :
Manufacturer, Distributor/Wholesaler, Exporter
Main Products :
Tricone Roller Bit, TCI Tricone Bit, Tricone Drill Bit
Total Annual :
10000000-13000000
Employee Number :
150~200
Certification Level :
Site Member
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