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What are spring support jacking bolts?

A spring support jacking bolt is a variable spring accessory that aids in removing the upper limit travel stops. They are usually used in applications where large installed loads are present. They are located directly above the upper travel stop. By tightening the jacking bolt, the installed load can be more easily transferred to the spring load column.

F-Type Variable with Jacking Bolts
F-Type Variable with Jacking Bolts
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