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Changsha Golden Drilling Machinery Co.,Ltd
Home ProductsInterlocking Kelly Bar

JZTG-KELLY Drilling Machines Tool

China Changsha Golden Drilling Machinery Co.,Ltd certification
China Changsha Golden Drilling Machinery Co.,Ltd certification
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JZTG-KELLY Drilling Machines Tool

JZTG-KELLY Drilling Machines Tool
JZTG-KELLY Drilling Machines Tool

Large Image :  JZTG-KELLY Drilling Machines Tool

Product Details:
Place of Origin: Changsha ,China
Brand Name: JZTG
Certification: CE, ISO9001, ISO14001,ISO18001
Model Number: JZTG-KELLY BAR 01
Payment & Shipping Terms:
Minimum Order Quantity: 1PCS
Price: negotiable
Packaging Details: metal pallet support
Delivery Time: 5-10days
Payment Terms: T/T, L/C, Western Union
Supply Ability: 100pcs per month
Detailed Product Description
Name: Drill Rotary Piling Rig Ground Hole Drilling Machines Tool Interlocking Kelly Bar After-sales Service Provide: Video Technical Support, Online Support, Engineers Available To Service Machinery Overseas,
Use: Rotary Piling Rig , Machine Construction Site , Field ,fundation Machine Type: Kelly Bar
Application: Rotary Drill Rig Machine Matched: Bauer Rig; Soilmec Rig; Sany Rig; Zoomlian Rig
High Light:

telescopic kelly bar


rotary drilling tools


JZTG-KELLY Drill Rotary Piling Rig Ground Hole Drilling Machines Tool




 Changsha Golden Drilling Machinery co.,ltd  is a leader in design,manufacturing and selling of Kelly bar for construction rotary drilling rigs in China & Overseas. Our JZTG brand Kelly bars may be made in friction type and interlocking type, in 3, 4, 5 or 6 elements for all types of foundation rotary drilling rig-sin the market.


We can also supply our worldwide customers with Kelly bars that are ideally tailored to your needs with the highest quality and competitive price. We are confident we would be a vital business partner to your construction drilling needs.


1. Parameter for Kelly Bar


No O.Dia(D)mm Elements(n) Length(m) Pressure Form Drilling Depth(m) Capable Of Supporting Models
1 *299 3,4,5 9~14 Machine lock Friction 24~65








2 *340 3,4,5 9~14 24~65
3 355 3,4,5 9~14 24~65
4 377(*368) 3,4,5 9~14 24~65
5 406(*394) 3,4,5 9~15 24~70
6 *426(419) 3,4,5 9~15 24~70
7 440 3,4,5,6 9~15 24~85
8 470 3,4,5,6 9~16.5 24~91
9 508 3,4,5,6 9~18 24~103
10 530 3,4,5,6 9~20 24~114
11 580(575) 3,4,5,6 9~24 24~138
12 630 3,4,5,6 9~26 24~150


2. Product main features:


(1) The kelly bar is imported from Germany or adomestic high strength seamless steel pipe manufacture.

(2) All kelly bars are available as friction and interlocking version.

(3) High strength steel tube material is picked and heat-treated to arrange production.

(4) Special toolings are set up to ensure the straightness of tubes during welding process




Contact Details
Changsha Golden Drilling Machinery Co.,Ltd

Contact Person: admin

Tel: +8615073340950

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