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friction kelly bar for foundation drilling wholesale

friction kelly bar

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Description

1. Rotary Drilling Rig Friction Kelly Bar, Interlocking Kelly Bar

Rotary drilling rig friction kelly bar, interlocking kelly bar is the key part of a drilling machine,

and its quality directly affects the performance of the whole machine. Based on the rich manufacturing

experience and by absorbingthe advanced technology both at home and abroad,we can produce firstclass

kelly bars which can be matched with drilling rigs of Bauer, Sany, Soilmec, Casagrande, MAT, IMT, etc.



There are mainly two types of kelly bars :

a) interlocking kelly bar b)- Friction Kelly Bar

a) Interlocking Kelly Bar

Interlocking Kelly Bars are used with piling rigs for drilling in dense sand and gravel and weak

to strong rock. The Interlocking Kelly barsmanufactured by UNIMATE can be fully locked by

mechancal locking system on each section. Kelly bars can be equipped with specially designed

springs or pressure plates for shock absorbing purpose

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