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Carbon Steel Interlocking Kelly Bar Thick Inner High Reliability Professional Design

Categories Kelly Bar Piling
Brand Name: KonDaSin
Model Number: Rotary drilling kelly bar
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
Certification: ISO9001
Name: Friction or interlocking kelly bar
Type: Rotary drilling accessories
Sections: 3,4,5
Material: Q345B
ize/diameter: Customized
Color: Customized
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Carbon Steel Interlocking Kelly Bar Thick Inner High Reliability Professional Design

High carbon steel Kelly Bar Piling Tool Drilling Rig Parts Thick Inner Outer Key

Kelly bar is the key part of a rotary rig, the aim is to transfer to the drilling tools both the torque and the pressure produced by the drilling machine..

The high quality of the components, all certified steels for the high mechanical features together with the strict procedures of the quality system ISO 9002, allows us to guarantee the highest reliability.

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.

Name of product

External diameter

(mm)

Pitch No

Length section

(m)

Rated torque

(KN*M)

Depth

(m)

Friction kelly bar3554,510-1318036-60
3774,510-1420036-65
4064,510-1521036-70
4194,510-1525036-70
4404,510-1525036-70
4704,5,610-1728036-95
5084,5,610-18.532036-103
5304,5,610-1938036-106
5754,5,610-2142036-120
6304,5,610-2145036-120

Name of product

External diameter

(mm)

Pith No

Length section

(m)

Rated torque

(KN*M)

Depth

(m)

Interlocking kelly bar355310-1318027-36
3773,410-12.522027-44
4063,410-1523027-57
4193,410-1525027-57
4403,410-1525027-57
4703,410-1728027-65
5083,410-1732027-65
5303,410-2038027-76
5753,410-2142027-80
6303,410-2145027-80

1. Good design of kelly pipe system

2. Big Gag between each kelly pipe

3. Thick Inner and outer key

4. Increase welding strength;

5. Increase pressing position wear resistant property;


Quality Carbon Steel Interlocking Kelly Bar Thick Inner High Reliability Professional Design for sale
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