The pinion and gear are made of alloy steel.
The master bushing is made from a steel casting.
Pin transmission type is suitable for API standard square Kelly or hexagonal Kelly roller bushing.
Effective lubrication and reliable seals are provided by design.
The rotary tables conform to API specification 7K and the API monogram can be used.
Equipped with a hydraulic snubber assembly to protect tool joints when making up/breaking out connections.
Equipped with the reliable safety devices on the hook.
The high stress parts of every hook are subjected to nondestructive testing.
The hook conform to API specification 8C and API monogram can be used