--- 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: "฿983" currency: THB in_stock: true category: "Zwmssll" url: https://www.desertcart.co.th/products/662248766-1-4-threaded-inserts-1-4-20-heat-set-insert store_origin: TH region: Thailand --- # Heat Resistant >300°C 22 Knurled Brass Inserts 1/4-20 UNC Thread Size 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:** ฿983 **Availability:** ✅ In Stock ## Summary > 🔧 Upgrade your 3D prints with brass precision and heat-proof power! ## 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?** ฿983 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.co.th](https://www.desertcart.co.th/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 - • **Enhanced Torque Grip:** 46° knurled design ensures superior fastening strength and no thread slippage. - • **Premium Brass Durability:** Corrosion-resistant and built to withstand extreme thermal stress. - • **Organized & Ready-to-Use Kit:** 22 individually labeled inserts in durable packaging for quick access and storage. - • **Precision Heat-Set Installation:** Easily embed with a soldering iron for flawless 3D print integration. - • **Universal Thermoplastic Compatibility:** Perfect for PLA, PETG, ABS, and more—versatility that fits every project. ## Overview This set of 22 brass 1/4-20 heat-set threaded inserts offers professional-grade durability and thermal resistance above 300°C, designed specifically for seamless integration into 3D printed and thermoplastic components. Featuring precision knurling for enhanced torque resistance and easy installation with common tools, these inserts deliver reliable, reusable fastening solutions across a wide range of plastics including PLA, PETG, and ABS. ## 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) ![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 2](https://m.media-amazon.com/images/I/81FBs3hSKWL.jpg) ![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 3](https://m.media-amazon.com/images/I/71MA2D7dPAL.jpg) ![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 4](https://m.media-amazon.com/images/I/71NV-Jd6fiL.jpg) ![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 5](https://m.media-amazon.com/images/I/71cacMi2dbL.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.co.th/products/662248766-1-4-threaded-inserts-1-4-20-heat-set-insert](https://www.desertcart.co.th/products/662248766-1-4-threaded-inserts-1-4-20-heat-set-insert) --- *Product available on Desertcart Thailand* *Store origin: TH* *Last updated: 2026-07-02*