Kelly bar

Short Description:

Product Description Understand what customers need and provide what customers want, TYSIM not only supply Kelly bars for drill rigs of world’s top brands, but also provide one-stop solution for the world foundation construction users. While providing customized quality products, our services will leave you with no worries…

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Product Description

Understand what customers need and provide what customers want, TYSIM not only supply Kelly bars for drill rigs of world’s top brands, but also provide one-stop solution for the world foundation construction users. While providing customized quality products, our services will leave you with no worries. We boast a group of experienced foundation construction experts and consultants, who not only recommend the use of suitable products based on customer needs, but also give reasonable advice on the operation of construction equipment and construction methods. Up to now, TYSIM Kelly bar have been exported to over 20 more countries, and have gained recognition of high performance from customers.

Technical Specification of Friction Kelly Bar
Number	Out Diameter (mm)	Friction	Friction	Single Length(m)	Drilling Depth(m)
1	273	*	*	9~12	24~33
2	299	4	*	9~12	24~44
3	325	4	*	9~12	24~44
4	355	4	5	9~14	24~65
5	368	4	5	9~14	24~65
6	377	4	5	9~14	24~65
7	394	4	5	9~15	24~70
8	406	4	5	9~15	24~70
9	419	4	5	9~15.5	24~72.5
10	440/445	4	5	9~15.5	24~72.5
11	470	5	6	9~16.5	24~93
12	508	5	6	9~18	24~102
13	530	5	6	9~19	24~108
14	575	5	6	9~19	24~108
Remark 1Max Hole Depth = Pitch Number * Single Number - Pitch Number (unit: m)
2Any other drill can be actual site measured, customized produced. Torque is customized according to customer's requirements.

Technical Specification of Interlocking Kelly Ba
Number	Out Diameter (mm)	Interlock	Interlock	Single Length(m)	Drilling Depth(m)
1	273	3	*	9~12	24~33
2	299	3	4	9~12	24~44
3	325	3	4	9~12	24~44
4	355	3	4	9~14	24~65
5	368	3	4	9~14	24~65
6	377	3	4	9~14	24~65
7	394	3	4	9~15	24~70
8	406	3	4	9~15	24~70
9	419	3	4	9~15.5	24~72.5
10	440/445	3	4	9~15.5	24~72.5
11	470	3	4	9~16.5	24~93
12	508	3	4	9~18	24~102
13	530	*	4	9~19	24~108
Remark 1Max Hole Depth = Pitch Number * Single Number - Pitch Number (m)
2Any other drill can be actual site measured, customized produced. Torque is customized according to customer's requirements.

Product Advantages

The most professional R&D and production team.

The core R&D, processing and production personnel are all from the leading enterprises of this industry, with more than ten years of experience in the design and manufacture of kelly bars. We have provided tailor-made Kelly bar and technical services for almost all the well-known brand names of rotary drilling rigs both at home and abroad.

Top quality special steel materials

The steel pipe used in the Kelly bar comes from the selected materials made by the first-class steel enterprises at home and abroad. The yield strength and service life are more than doubled compared with the general-purpose products, meeting the rigorous requirements in drilling hard rock and various strata.

The cutting-edge manufacturing technology
The core parts of Kelly bar, such as square head, driving keys, and pressurizing point are made of imported steel, and go through special heat treatment and surface strengthening treatment, which not only features high yield strength, wear resistance, impact resistance, strain capacity, welding property and corrosion resistance, but also meets the high reliability requirements of Kelly bar in the construction of hard rock, large diameter and super deep piles.

From the strict control of raw materials to multi-layer and multi-step precise welding, we comply with strict quality standards and monitoring systems in all aspects of Kelly bar production to ensure 100% high standard quality. We are also the first Kelly bar manufacturer in China to provide customers with a one-year warranty.

Construction Photos

Kelly Bar Accessories

In addition to Kelly bar, TYSIM also supply Kelly bar accessories, including Kelly bar drive adaptor, upper section, Kelly stub welded parts, Kelly bar damping springs, Kelly bar rings, pallets, et. TYSIM could arrange professional R&D personnel to conduct on-site measurements, ensuring all he Kelly bar accessories ordered by customers could work seamlessly with the original Kelly bars.