Kelly Bar Spring
Kelly bar springs are available in the following sizes:
1- Outer diameter 558mm, Wire diameter 70mm, height 600mm.
2- Outer diameter 480mm, Wire diameter 70mm, height 445mm.
1- Outer diameter 400mm, Wire diameter 50mm, height 430mm.
1- Outer diameter 355mm, Wire diameter 45mm, height 330mm.
