What is it?
This defect appears as telescoped inner diameter wraps. It is also known as an oscillated coil or an oscillated ID. The cause for this defect is due to a bad start on the mandrel, which causes initial windings that are not square.
“When I have something I need to sell, move, or get off the floor, Mainline is my go to. I know they’ll always work with me to find a solution. –Supplier of 20 Years