{"product_id":"kujietool-m3x5x4-brass-heat-set-threaded-inserts-100-piece","title":"KUJIETOOL M3X5X4 Brass Heat-Set Threaded Inserts, 100-Piece","description":"\u003ch3\u003eKey features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eM3 x 5 x 4mm Inserts, 100-Piece Pack: Includes 100 brass heat-set threaded inserts for small three-dimensional printing projects, repairs, and custom parts.\u003c\/li\u003e\n\u003cli\u003eBrass Construction: Made from brass for precise internal threads and reliable fastening performance in compatible thermoplastic parts.\u003c\/li\u003e\n\u003cli\u003eKnurled Outer Profile: The diamond knurled exterior helps the insert grip surrounding plastic after heat-set installation for a more secure threaded connection\u003c\/li\u003e\n\u003cli\u003eClean, Flush Installation: Designed to be pressed into a properly prepared hole with a compatible heat-set insertion tool, helping create a neat threaded mounting point.\u003c\/li\u003e\n\u003cli\u003eSingle Size for Easy Selection: This pack contains M3 x 5 x 4 mm inserts only. Please confirm the required thread size and hole dimensions before installation.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eHeat-set threaded inserts are essential fastening components used to add strong, durable threads to plastic, wood, or composite materials. Installed using a soldering iron or heat press, these inserts melt into the surrounding material and create a secure, permanent metal thread that can withstand repeated assembly and disassembly. This makes them ideal for prototyping, 3D-printed parts, electronics enclosures, and a wide range of manufacturing or DIY applications. Available in various sizes and thread configurations, heat-set inserts provide a reliable alternative to self-tapping screws, significantly reducing the risk of stripped threads over time. Their brass or stainless steel construction ensures long-lasting performance even under mechanical stress. Whether you are working on a professional engineering project or a home workshop build, heat-set threaded inserts deliver a clean, professional finish and a robust hold that stands up to demanding use.\u003c\/p\u003e\u003cp\u003eFree shipping on orders $50+. 30-day hassle-free returns.\u003c\/p\u003e","brand":"Belmont Warehouse","offers":[{"title":"Default Title","offer_id":43385315885265,"sku":"BW-B0HCYQJM69","price":12.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0674\/3123\/5793\/files\/618cK7K8pkL.jpg?v=1791884983","url":"https:\/\/belmontwarehouse.com\/products\/kujietool-m3x5x4-brass-heat-set-threaded-inserts-100-piece","provider":"Belmont Warehouse","version":"1.0","type":"link"}