VIGRUE 16'' Rivet Nut Tool Kit Nutserts Rivnut Hand Tool Set with 15PCS Metric & SAE Mandrels and 300PCS Rivet Nuts Assortment, Rivnut Tool with Rugged Carrying Case for Automotive, Home DIY

VIGRUE 16'' Rivet Nut Tool Kit Nutserts Rivnut Hand Tool Set with 15PCS Metric & SAE Mandrels and 300PCS Rivet Nuts Assortment, Rivnut Tool with Rugged Carrying Case for Automotive, Home DIY

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niceandsane posted on r/locksmith59w

Rivnut, Nutsert. It's inserted from the other side. A flange seats against the surface. A tool is threaded into the fitting and it's drawn tight against the back side. Remove the tool and you have a threaded hole. Here's an example. Available in a variety of sizes, standard and metric. The design is kind of like pop-rivets but instead of a center pin that shears it uses a threaded tool to pull them snug, leaving a threaded hole.