Helical Insert When repairing machines, installing equipment, or servicing parts, many people have run into this problem:No matter how you tighten the screw, it won’t hold—the threaded hole is stripped. If you simply switch to a larger screw, it often affects the structure.If you re-tap the hole, it may not hold and can fail again quickly. That’s when a Helical Insert becomes a practical and widely used solution. --- 1. What Is a Helical Insert? In Simple Terms: It Rebuilds a