Bad threads, and repair procedures, right. Broken studs and stripped threads are not always the product of the overzealous neophite. Several factors cause thread damage: Wear from repeated assemblies ...

A damaged thread on a 992G wheel loader component is restored through precision machining and repair work to return the part ...

Now apply the same idea to oilfield tubulars, drill pipe, and downhole tools, where the connected parts are heavier, more expensive, and exposed to harsher ...