Extension springs are wire coils designed to become longer under load. Their turns are normally touching in the unloaded position, and they have a hook, loop or some other means of attachment at each end. As the industrys most trusted fastener supplier, Midwest Fastener has earned ...Extension springs are wire coils designed to become longer under load.
Their turns are normally touching in the unloaded position, and they have a hook, loop or some other means of attachment at each end. As the industrys most trusted fastener supplier, Midwest Fastener has earned a reputation for delivering a complete line of high-quality bulk and construction fasteners to meet consumer needs. Contractors and DIYers alike have come to depend on Midwest Fastener to provide them with the critical parts and fasteners necessary to ensure the success of their projects.