--- product_id: 662248766 title: "1/4'' Threaded Inserts,1/4-20 Heat Set Insert,22 Pieces 1/4 20x12.7x8 Knurled Nuts,Brass Threaded Inserts for Plastic and 3D Printing Components" brand: "zwmssll" price: "C$1125" currency: NIO in_stock: true category: "Zwmssll" url: https://www.desertcart.ni/products/662248766-1-4-threaded-inserts-1-4-20-heat-set-insert store_origin: NI region: Nicaragua --- # Heat resistant beyond 300°C 1/4-20 UNC precision threading 22-piece brass knurled set 1/4'' Threaded Inserts,1/4-20 Heat Set Insert,22 Pieces 1/4 20x12.7x8 Knurled Nuts,Brass Threaded Inserts for Plastic and 3D Printing Components **Brand:** zwmssll **Price:** C$1125 **Availability:** ✅ In Stock ## Summary > 🔥 Lock in strength, unlock your project’s potential! ⚙️ ## Quick Answers - **What is this?** 1/4'' Threaded Inserts,1/4-20 Heat Set Insert,22 Pieces 1/4 20x12.7x8 Knurled Nuts,Brass Threaded Inserts for Plastic and 3D Printing Components by zwmssll - **How much does it cost?** C$1125 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.ni](https://www.desertcart.ni/products/662248766-1-4-threaded-inserts-1-4-20-heat-set-insert) ## Best For - zwmssll enthusiasts ## Why This Product - Trusted zwmssll brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Knurled Torque Grip:** 46° angled knurling ensures maximum hold and prevents thread slippage. - • **Versatile & Reusable:** Perfect for 3D printing, injection molding, electronics, and automotive plastics. - • **Effortless Installation:** Heat-set with a soldering iron—no countersinking needed, saving you time. - • **Heat-Resistant Brass Durability:** Withstands intense thermal shaping without warping or corrosion. - • **Precision Engineered for 3D Prints:** Seamlessly integrate with PLA, ABS, PETG & more for flawless fastening. ## Overview ZWMSSLL’s 22-piece 1/4-20 brass threaded inserts deliver industrial-grade durability and precision for plastic and 3D printed components. Engineered with heat resistance beyond 300°C and a knurled design for superior torque grip, these inserts install easily with common tools and fit a wide range of thermoplastics, making them the go-to fastener for professionals demanding reliability and efficiency. ## Description Zwmssll 1/4'' Threaded Inserts,1/4-20 Heat Set Insert,22 Pieces 1/4 20x12.7x8 Knurled Nuts,Brass Threaded Inserts for Plastic and 3D Printing Components: desertcart.com: Industrial & Scientific ## Features - 【1/4 Thread Inserts For Your 3D Printed Parts】- The ZWMSSLL threaded insert are lead free,22 pieces 1/4 -20x12.7x8mm Insert nuts.Different sizes of threaded inserts are individually packaged in thickened PE bags,Corresponding labels for the threaded inserts help you quickly find the desired type,Convenient use and storage，significantly boosting your work efficiency. - 【High-Quality Threaded Inserts】- Crafted from top-tier brass materials, these threaded inserts boast outstanding thermal conductivity, corrosion resistance, and durability. They exhibit remarkable resistance against breakage and deformation. Withstanding temperatures exceeding 300°C / 573°F, they easily endure the harsh heat generated during plastic thermal shaping processes. - 【Precision Craftsmanship】- The 46-degree angled knurling significantly enhances torque resistance and tensile strength, ensuring a stronger fastening. High-precision and clear threading ensures stability and reliability, preventing thread slippage during rotation. The embedded nuts feature guiding elements, eliminating the need for countersinking or recessing, making your work more convenient and efficient. - 【Easy to Use】- With a common soldering iron, you can easily place them into a blind or through hole of 3D prints.Brass threaded inserts can be installed into components of a 4D printer through heating or ultrasonic methods, or molded during the injection process. They are also suitable for circuit board assembly and the electronics field. The reusability of the insert nut is also possible by carefully removing them from the pressure part when they are no longer needed. - 【Wide Application】 - These inserts are designed for use with all thermoplastics, including materials like PLA, PETG, ABS, PPS, PP, and others. Whether installing them in 4D printed objects, injection-molded plastic parts, automotive plastic casings, or laptop shells, these inserts offer reliable and durable solutions. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0D3KW9XW5 | | Best Sellers Rank | #22,310 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #32 in Nut Inserts | | Brand | ZWMSSLL | | Color | UNC Threaded Insert | | Compatible Groove Diameter | 0.12 Inches | | Customer Reviews | 4.6 4.6 out of 5 stars (132) | | Drive Style | Spline | | Exterior Finish | Brass | | Fastener Type | Insert | | Grade Rating | industrial | | Inside Thread Size | 1/4 inch | | Item Diameter | 0.25 Inches | | Item Dimensions | 0.31 x 0.31 x 12.7 inches | | Item Weight | 0.02 Ounces | | Manufacturer | ZWMSSLL | | Material Type | Brass | | Metal Type | Brass | | Model | 1/4-20x12.7x8 Threaded Inserts | | Number Of Items | 22 | | Number of Pieces | 22 | | Outside Diameter | 7.15 Inches | | Part Number | 425Pcs Metric Knurled Nuts Kit | | Screw Head Style | Square | | Size Name | 1/4''-20 (22pcs) | | Thread Class | Class 2A | | Thread Coverage | Fully Threaded | | Thread Size | 1/4"-20 | | Thread Style | Right Hand | | Thread Type | Unified National Coarse (Unc) | ## Product Details - **Color:** UNC Threaded Insert - **Exterior Finish:** Brass - **Fastener Type:** Insert - **Material:** Brass - **Thread Size:** 1/4"-20 ## Images ![1/4'' Threaded Inserts,1/4-20 Heat Set Insert,22 Pieces 1/4 20x12.7x8 Knurled Nuts,Brass Threaded Inserts for Plastic and 3D Printing Components - Image 1](https://m.media-amazon.com/images/I/719mVAwPKQL.jpg) ## Available Options This product comes in different **Color, Size** options. --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.ni/products/662248766-1-4-threaded-inserts-1-4-20-heat-set-insert](https://www.desertcart.ni/products/662248766-1-4-threaded-inserts-1-4-20-heat-set-insert) --- *Product available on Desertcart Nicaragua* *Store origin: NI* *Last updated: 2026-07-07*