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High Strength Kelly Bar Piling Q345B Material Customized Color For Rotary Rig

Kondasin International Co.,Ltd.

High Strength Kelly Bar Piling Q345B Material Customized Color For Rotary Rig

Brand Name : KonDaSin

Model Number : Rotary drilling kelly bar

Certification : ISO9001

Place of Origin : China

MOQ : 1 piece

Payment Terms : T/T, L/C, Western Union

Supply Ability : 50 Set/Sets per Month kelly bar for rotary rig

Delivery Time : 20 working days

Packaging Details : Wrapped with plastic film

Material : Q345B

Type : Interlocking or friction kelly bar

Name : Friction or interlocking kelly bar

Sections : 3,4,5

Size/diameter : Customized

Color : Customized

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

High Strength Kelly Bar Piling Q345B Material Customized Color For Rotary Rig

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.

High Strength Kelly Bar Piling Q345B Material Customized Color For Rotary Rig

High Strength Kelly Bar Piling Q345B Material Customized Color For Rotary Rig

High Strength Kelly Bar Piling Q345B Material Customized Color For Rotary Rig

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

High Strength Kelly Bar Piling Q345B Material Customized Color For Rotary Rig

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-te nsile 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.

High Strength Kelly Bar Piling Q345B Material Customized Color For Rotary RigHigh Strength Kelly Bar Piling Q345B Material Customized Color For Rotary Rig


Product Tags:

kelly drive drilling

      

bored pile equipment

      
 High Strength Kelly Bar Piling Q345B Material Customized Color For Rotary Rig Manufactures

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