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311.2mm FA Series Water Well Drill Bits , HDD Drill Bits IADC 517G API-7-1 Standard
311.2mm FA Series Water Well Drill Bits , HDD Drill Bits IADC 517G API-7-1 Standard
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
name :
HDD drilling tools
IADC :
517
Supplementary Features :
G : Reinforced Gauge Protection
Insert Shape :
Chisel-shaped
Formation :
Medium Hard
Package :
Plywood Boxes
Description

311.2mm , FA Series , IADC 517G , Rock Bit, Water Well Drilling Bit , HDD Drilling

RECOMMENDED DRILLING PARAMETERS FOR APPLICATION

Types & IADC Code

417

437

447

517

527

537

547

617

627

637

WOB

KN/mm(Bit Dia.)

0.4~0.9

0.4~0.9

0.35~1.0

0.5~1.0

0.6~1.1

0.7~1.2

Lb/in. (Bit Dia.)

2285~5142

2285~5142

2000~5714

2857~5714

3428~6285

4000~6857

Rotation Speed (Rpm)

140~60

140~60

125~50

110~50

100~40

80~40

​Teeth and Tungsten Carbide Insert Buttons

- Length and geometry relate the rock strength
- Size of the cone and bearing structure affect the teeth

- Teeth design criteria are:
- Spacing and interfitting of teeth governed by tooth strength, depth and included angle
- Shape and length, dictated by formation characteristics
- Types of teeth, milled or inserted

- Log slider and widely spaced teeth used for soft rock

- Long teeth allow results in breaking greater volume

- Wide spacing allows easy removal of drilled cuttings

- The included angle for soft rock from 39 to 42

- Medium hard would have a moderate number of teeth and 43 to 45 included angle

- Hard rocks need 45 to 50 included angle

- Milled teeth are faced with hardening metal to reduce wear

- Milled tooth bits are suitable for soft formation

- Insert are used for hard formation

- There are several types of insert to suit the hardness

- Chisel-shaped for soft rock

- Round or spherical for medium and hard rocks

Product tags

water drill bits varel

,

bosch sds drill bit set

,

s135 well drill rods
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311.2mm FA Series Water Well Drill Bits , HDD Drill Bits IADC 517G API-7-1 Standard

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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
311.2mm FA Series Water Well Drill Bits , HDD Drill Bits IADC 517G API-7-1 Standard

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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