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Non Stair Key Kelly Bar Piling , Bored Pile Equipment Convenient Anti Corrosion

China Kondasin International Co.,Ltd. certifications
China Kondasin International Co.,Ltd. certifications
Good service,high quality of jet grouting tools.

—— Ms.Loges

We have cooperated for many years,we like the buckets and kelly bar,good performance.

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Non Stair Key Kelly Bar Piling , Bored Pile Equipment Convenient Anti Corrosion

Non Stair Key Kelly Bar Piling , Bored Pile Equipment Convenient Anti Corrosion
Non Stair Key Kelly Bar Piling , Bored Pile Equipment Convenient Anti Corrosion

Large Image :  Non Stair Key Kelly Bar Piling , Bored Pile Equipment Convenient Anti Corrosion

Product Details:

Place of Origin: China
Brand Name: KonDaSin
Certification: ISO9001
Model Number: Rotary drilling kelly bar

Payment & Shipping Terms:

Minimum Order Quantity: 1 piece
Packaging Details: Wrapped with plastic film
Delivery Time: 20 working days
Payment Terms: T/T, L/C, Western Union
Supply Ability: 50 Set/Sets per Month kelly bar for rotary rig
Detailed Product Description
Material: Q345B Type: Interlocking Or Friction Kelly Bar
Name: Friction Or Interlocking Kelly Bar Sections: 3,4,5
Size/diameter: Customized Color: Customized
High Light:

kelly bar drilling equipment

,

kelly drive drilling

High Strength Kelly Bar A Low Weight High Straightness High Wear Resistance

Non Stair Key Kelly Bar Piling , Bored Pile Equipment Convenient Anti Corrosion 0

Kelly bar is the key part of a rotary rig, transfer the torque of the rotary power head and the pressure of the rotary rig system to the drilling tools and its quality affects the performance of the whole machine directly.

1) Interlocking kelly bar

Interlocking kelly bar is used for drilling in dense sand,gravel and weak to strong rock .Interlocking kelly bar can be fully locked by mechanical locking system on each section.Kelly bar can be equipped with specially designed springs or pressure plates for shock absorbing purpose.

2) Friction kelly bar

Friction kelly bar is another type which the external key is composed of 3 or 6 wear -resistant strip without pressunrizing point .This kelly bar can transform pressure when it is working.Also can produce peripheral force and pass down the pressure force,can produce the friction force.This kelly bar has the advantage of operating sample ,drilling deep ,but with less pressure transmission.So this one is suitable for the soft and silt layer.

Non Stair Key Kelly Bar Piling , Bored Pile Equipment Convenient Anti Corrosion 1

Non Stair Key Kelly Bar Piling , Bored Pile Equipment Convenient Anti Corrosion 2

Non Stair Key Kelly Bar Piling , Bored Pile Equipment Convenient Anti Corrosion 3

Name of product

External diameter

(mm)

Pitch No

Length section

(m)

Rated torque

(KN*M)

Depth

(m)

Friction kelly bar 355 4,5 10-13 180 36-60
377 4,5 10-14 200 36-65
406 4,5 10-15 210 36-70
419 4,5 10-15 250 36-70
440 4,5 10-15 250 36-70
470 4,5,6 10-17 280 36-95
508 4,5,6 10-18.5 320 36-103
530 4,5,6 10-19 380 36-106
575 4,5,6 10-21 420 36-120
630 4,5,6 10-21 450 36-120

 

Name of product

External diameter

(mm)

Pith No

Length section

(m)

Rated torque

(KN*M)

Depth

(m)

Interlocking kelly bar 355 3 10-13 180 27-36
377 3,4 10-12.5 220 27-44
406 3,4 10-15 230 27-57
419 3,4 10-15 250 27-57
440 3,4 10-15 250 27-57
470 3,4 10-17 280 27-65
508 3,4 10-17 320 27-65
530 3,4 10-20 380 27-76
575 3,4 10-21 420 27-80
630 3,4 10-21 450 27-80

Non Stair Key Kelly Bar Piling , Bored Pile Equipment Convenient Anti Corrosion 4

1. Our kelly bar enjoys a low weight,high strength,high straightness of single bar,thinner tube,smaller inter-tube distance and good abrasion resistance.

2. Standard kelly bars are fabricated with a total of 6 drive keys on each section .The tubular kelly sections are manufactured from high-tensile steel to ensure minimum weight at adequate strength.

3. Heat treatment is widely used in the key parts such as drive key to improve wear resistance.

4. Small clearance and high-precision mating of the drill pipe ensure its good working order and service performance.

5. Fulfill the rotary drilling rig full torque operation.

 

Non Stair Key Kelly Bar Piling , Bored Pile Equipment Convenient Anti Corrosion 5Non Stair Key Kelly Bar Piling , Bored Pile Equipment Convenient Anti Corrosion 6

 

 

Contact Details
Kondasin International Co.,Ltd.

Contact Person: Manager

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