A ballot at Bosch Rexroth in Glenrothes produced a 90% return in support of taking the action if talks don’t deliver a deal.
The long established hydraulic equipment supplier has a plant at at Viewfield Industrial Estate.
Trade union Unite confirmed details of support for taking industrial action as part of its pay claim.
“We have 200 members - and the ballot came back with 90% return in support of taking action,.
“That tells you the strength of feeling.”
Rexroth has been contacted for comment.