Foudation Construction Piling Tool Friction Kelly Bar
kelly bar
A hollow bar attached to the top of the drill column in rotary drilling rig.
Usuall there are interlocking kelly type,frictional kelly type,full-interlocking kelly type and combined interlocking type.
Round and square type both can be tailored according to clients request.
Specification
|
Company Profile
Packaged and shipped
Foreign exhibitions
Construction Site
