--- product_id: 512375127 title: "ruthex 1/4\" Threaded Inserts - 20 Pieces RX-1/4“-20x12.7 Brass Heat Set Insert for Plastic Parts - Inches knurled Nuts - Insert by Heat into 3D Printing Components" brand: "ruthex" price: "€ 20.09" currency: EUR in_stock: true category: "Ruthex" url: https://www.desertcart.at/products/512375127-ruthex-1-4-threaded-inserts-20-pieces-rx-1-4 store_origin: AT region: Austria --- # Heat-Set & Ultrasonic Installation 1/4" UNC Thread Size Lead-Free Brass for Corrosion Resistance ruthex 1/4" Threaded Inserts - 20 Pieces RX-1/4“-20x12.7 Brass Heat Set Insert for Plastic Parts - Inches knurled Nuts - Insert by Heat into 3D Printing Components **Brand:** ruthex **Price:** € 20.09 **Availability:** ✅ In Stock ## Summary > 🔧 Upgrade your 3D prints with pro-level threaded inserts—because your projects deserve the best! ## Quick Answers - **What is this?** ruthex 1/4" Threaded Inserts - 20 Pieces RX-1/4“-20x12.7 Brass Heat Set Insert for Plastic Parts - Inches knurled Nuts - Insert by Heat into 3D Printing Components by ruthex - **How much does it cost?** € 20.09 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.at](https://www.desertcart.at/products/512375127-ruthex-1-4-threaded-inserts-20-pieces-rx-1-4) ## Best For - ruthex enthusiasts ## Why This Product - Trusted ruthex brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Heat & Ultrasound Ready:** Effortlessly embed inserts using soldering irons or ultrasonic tools—no special skills required. - • **Precision 1/4" Thread Fit:** Seamlessly integrates with standard 3D printed parts for professional-grade assembly. - • **Durable, Reusable Brass Inserts:** Lead-free brass construction offers superior corrosion resistance and thermal conductivity for long-lasting performance. - • **Knurled Sleeve for Maximum Grip:** Spiral knurling ensures rock-solid hold and balanced torque for reliable tightening and loosening. - • **Universal Thermoplastic Compatibility:** Perfectly anchors in PLA, PETG, ABS, and more—versatility that keeps your projects future-proof. ## Overview The ruthex 1/4" Threaded Inserts set includes 20 lead-free brass knurled nuts designed for heat or ultrasonic embedding into thermoplastic 3D printed parts. Featuring a 1/4"-20 UNC thread, these inserts provide a durable, corrosion-resistant, and reusable solution that ensures a firm hold and balanced torque, compatible with popular plastics like PLA, PETG, and ABS. ## Description ruthex 1/4" Threaded Inserts - 20 Pieces RX-1/4“-20x12.7 Brass Heat Set Insert for Plastic Parts - Inches knurled Nuts - Insert by Heat into 3D Printing Components: desertcart.com: Tools & Home Improvement ## Features - 1/4" THREAD INSERTS FOR YOUR 3D PRINTED PARTS: The ruthex threaded nuts can be retrofitted by heat or ultrasounds into parts of 3D printers from e.g. Anycubic or Prusa. With the help of heat from a soldering iron or ultrasounds, the knurled insert nuts are simply embedded in a blind- or through hole - FIRM HOLDING WITH EASY APPLICATION: Thanks to the geometry of the threaded sleeve, it holds firmly in the pressure part. The opposing spiral-shaped knurled nuts ensure a high balanced tightening and loosening torque, as well as a high tightening force. The guide, insertion has been greatly simplified - STABLE & LONG-LASTING THREAD INSERTS: The inserts with internal thread lead free brass, which ensures optimum corrosion resistance and thermal conductivity. thermal conductivity. This means that each insert nut can be used for a long time and is easy to use. The reusability of the insert nut is also possible by carefully removing them from the pressure part when they are no longer needed - SUITABLE FOR A VARIETY OF PLASTICS: The inserts are designed for all thermoplastics. For example, the knurled nuts hold in PLA, PETG, ABS, PPS, PP and many more. As soon as the plastic of the part around the brass sleeve cools and hardens, the threaded sleeve is firmly anchored - PRACTICAL THREAD INSERT SET: The ruthex threaded inserts set are lead free and RX-1/4“-20x12.7 consists of 20 insert nuts with 1/4" internal thread and a length of 12.7 mm. The threaded sleeves can be inserted by ultrasonic and heat embedding ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B09MTS6ZZQ | | Best Sellers Rank | #1,413 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #489 in 3D Printer Accessories | | Brand | ruthex | | Color | UNC Threaded Insert | | Compatible Groove Diameter | 0.25 inches | | Customer Reviews | 4.4 4.4 out of 5 stars (206) | | Drive Style | Spline | | Exterior Finish | Brass | | Fastener Type | Insert | | Finish Types | Brass | | Grade Rating | commercial | | Inside Thread Size | 1/4 inch | | Item Diameter | 0.25 inches | | Item Dimensions | 4.72 x 3.15 x 0.39 inches | | Manufacturer | ruthex | | Material Type | Brass | | Metal Type | Brass | | Model | GE-1/4x127-001 | | Number Of Items | 1 | | Number of Pieces | 20 | | Outside Diameter | 0.25 inches | | Part Number | GE-P-D | | Screw Head Style | Flat | | Set Name | 20 Pieces | | Size Name | 1/4“-20x12.7 (20pcs) | | Thread Class | Coarse | | Thread Coverage | Fully Threaded | | Thread Size | 1/4"-20 | | Thread Style | Right Hand | | Thread Type | Unified National Coarse | ## Product Details - **Color:** UNC Threaded Insert - **Exterior Finish:** Brass - **Fastener Type:** Insert - **Material:** Brass - **Thread Size:** 1/4"-20 ## Images ![ruthex 1/4" Threaded Inserts - 20 Pieces RX-1/4“-20x12.7 Brass Heat Set Insert for Plastic Parts - Inches knurled Nuts - Insert by Heat into 3D Printing Components - Image 1](https://m.media-amazon.com/images/I/51-BGzHOnIL.jpg) ![ruthex 1/4" Threaded Inserts - 20 Pieces RX-1/4“-20x12.7 Brass Heat Set Insert for Plastic Parts - Inches knurled Nuts - Insert by Heat into 3D Printing Components - Image 2](https://m.media-amazon.com/images/I/51ciEiLFBJL.jpg) ![ruthex 1/4" Threaded Inserts - 20 Pieces RX-1/4“-20x12.7 Brass Heat Set Insert for Plastic Parts - Inches knurled Nuts - Insert by Heat into 3D Printing Components - Image 3](https://m.media-amazon.com/images/I/51QFrH8fSHL.jpg) ![ruthex 1/4" Threaded Inserts - 20 Pieces RX-1/4“-20x12.7 Brass Heat Set Insert for Plastic Parts - Inches knurled Nuts - Insert by Heat into 3D Printing Components - Image 4](https://m.media-amazon.com/images/I/41Ru2xyUspL.jpg) ![ruthex 1/4" Threaded Inserts - 20 Pieces RX-1/4“-20x12.7 Brass Heat Set Insert for Plastic Parts - Inches knurled Nuts - Insert by Heat into 3D Printing Components - Image 5](https://m.media-amazon.com/images/I/51a9St9i2lL.jpg) ## Available Options This product comes in different **Color, Size** options. ## Frequently Bought Together - ruthex 1/4" Threaded Inserts - 20 Pieces RX-1/4“-20x12.7 Brass Heat Set Insert for Plastic Parts - Inches knurled Nuts - Insert by Heat into 3D Printing Components - Kadrick Metric Screw Assortment, 2000PCS Metric Bolt Assortment Kit M2 M3 M4 M5 Machine Screws with Lock & Flat Washers, Grade 10.9 Alloy Steel Hex Socket Button Head Black Screws Nuts and Bolts Kit - Soldering Iron Heat Set Insert Tool, 80W 110V LCD Digital Soldering Welding Iron Kit with Iron Tips and Heat Set Insert Tips, 16-in-1 Adjustable Temperature 180-500℃ Solder Kit, Blue --- ## 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.at/products/512375127-ruthex-1-4-threaded-inserts-20-pieces-rx-1-4](https://www.desertcart.at/products/512375127-ruthex-1-4-threaded-inserts-20-pieces-rx-1-4) --- *Product available on Desertcart Austria* *Store origin: AT* *Last updated: 2026-10-17*