Bow Springs made out from double rolled Spring Steel are heat treated & tempered to create uniform hardness, superior strength & good spring action.
End collars made of steel ASTM-A 569 specifications.
End collar hinges are folded to inside so this acts to minimize end collar stretch.
Different bow heights that are available to accommodate most of casing size to hole size.
Suitable for centralizing the casing pipe in vertical, Horizontal and deviated wells.