--- product_id: 494677929 title: "ruthex 1/4\" Short Threaded Inserts - 20 Pieces RX-1/4“-20x6.4 Brass Heat Set Insert for Plastic Parts - Inches knurled Nuts - Insert by Heat into 3D Printing Components" brand: "ruthex" price: "฿1163" currency: THB in_stock: true category: "Ruthex" url: https://www.desertcart.co.th/products/494677929-ruthex-1-4-short-threaded-inserts-20-pieces-rx-1 store_origin: TH region: Thailand --- # Heat/ultrasonic embed tech M3 internal thread precision 100-piece professional set ruthex 1/4" Short Threaded Inserts - 20 Pieces RX-1/4“-20x6.4 Brass Heat Set Insert for Plastic Parts - Inches knurled Nuts - Insert by Heat into 3D Printing Components **Brand:** ruthex **Price:** ฿1163 **Availability:** ✅ In Stock ## Summary > 🔧 Upgrade your 3D prints with threaded precision that sticks like a pro! ## Quick Answers - **What is this?** ruthex 1/4" Short Threaded Inserts - 20 Pieces RX-1/4“-20x6.4 Brass Heat Set Insert for Plastic Parts - Inches knurled Nuts - Insert by Heat into 3D Printing Components by ruthex - **How much does it cost?** ฿1163 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/494677929-ruthex-1-4-short-threaded-inserts-20-pieces-rx-1) ## 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 - • **Bulk 100-Piece Set:** Stock up with a high-value pack designed for serious makers and professional prototypers. - • **Precision M3 Threading:** Engineered for flawless fit in 3D printed parts, ensuring reliable fastening every time. - • **Superior Brass Durability:** Corrosion-resistant brass guarantees long-lasting strength and excellent thermal conductivity. - • **Heat & Ultrasonic Installation:** Seamlessly embed inserts with soldering iron or ultrasonic tools for a clean, professional finish. - • **Universal Plastic Compatibility:** Perfectly anchors in PLA, PETG, ABS, and more—versatility that keeps your projects future-proof. ## Overview The ruthex M3 Threaded Inserts are a premium set of 100 brass knurled nuts designed for heat or ultrasonic embedding into thermoplastic 3D printed parts. Featuring M3 internal threading and corrosion-resistant brass, these inserts provide a durable, reusable, and high-torque fastening solution compatible with popular plastics like PLA, PETG, and ABS. Ideal for professional makers and engineers seeking reliable, long-lasting thread reinforcement in their prototypes and production components. ## Description ruthex 1/4" Short Threaded Inserts - 20 Pieces RX-1/4“-20x6.4 Brass Heat Set Insert for Plastic Parts - Inches knurled Nuts - Insert by Heat into 3D Printing Components: desertcart.com: Tools & Home Improvement ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0F2ZBN1K9 | | Best Sellers Rank | #1,885 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #3 in Nut Inserts | | Brand | ruthex | | Color | UNC Threaded Insert | | Compatible Groove Diameter | 0.25 inches | | Customer Reviews | 4.7 4.7 out of 5 stars (19) | | Exterior Finish | Brass | | Fastener Type | Insert | | Finish Types | Unfinished | | Grade Rating | Industrial | | Inside Thread Size | 1/4 | | Item Diameter | 0.25 inches | | Item Dimensions | 4.72 x 3.54 x 0.39 inches | | Manufacturer | ruthex | | Material Type | Brass | | Model | GE-1/4x64-001 | | Number Of Items | 1 | | Number of Packs | 1 | | Number of Pieces | 20 | | Outside Diameter | 0.25 inches | | Part Number | GE-1/4x64-001 | | Screw Head Style | Knurled | | Set Name | Brass Insert Set (20 Pieces) | | Size Name | 1/4“-20x6.4 (20pcs) | | Thread Class | Coarse | | Thread Coverage | Fully Threaded | | Thread Size | 1/4"-20 | | Thread Style | Right Hand | | Thread Type | Unified National Coarse | | Unit Count | 20 Count | ## Product Details - **Color:** UNC Threaded Insert - **Exterior Finish:** Brass - **Fastener Type:** Insert - **Material:** Brass - **Thread Size:** 1/4"-20 ## Images ![ruthex 1/4" Short Threaded Inserts - 20 Pieces RX-1/4“-20x6.4 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/41P7jMgRQeL.jpg) ![ruthex 1/4" Short Threaded Inserts - 20 Pieces RX-1/4“-20x6.4 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/51yUXWCt65L.jpg) ![ruthex 1/4" Short Threaded Inserts - 20 Pieces RX-1/4“-20x6.4 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/51XtQNPQozL.jpg) ![ruthex 1/4" Short Threaded Inserts - 20 Pieces RX-1/4“-20x6.4 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/41iu8E+DzTL.jpg) ![ruthex 1/4" Short Threaded Inserts - 20 Pieces RX-1/4“-20x6.4 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/51tYGdQ1k9L.jpg) ## Available Options This product comes in different **Color, Size** options. ## Frequently Bought Together - ruthex M3 Threaded Inserts - 100 Pieces RX-M3x5.7 Brass Heat Set Insert for Plastic Parts - Metric knurled Nuts - Insert by Heat into 3D Printing Components - ruthex 7x Soldering Tips/Heat-Set Insert Tips - for Thread Inserts M2 / M2.5 / M3 / M4 / M5 / M6 / M8 - #2-56 / #4-40 / #8-32/ #10-24 1/4" and Soldering Iron Adapter 900M / T18 - Kadrick Metric Screws Assortment,2240 Pcs M3 Screws Nuts Washers Assortment M3x4MM-35MM, Hex Socket Button & Cap Head M3 Machine Bolts Kit, 12.9 & 10.9 Grade Alloy Steel,Black Screws for 3D Printing --- ## 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/494677929-ruthex-1-4-short-threaded-inserts-20-pieces-rx-1](https://www.desertcart.co.th/products/494677929-ruthex-1-4-short-threaded-inserts-20-pieces-rx-1) --- *Product available on Desertcart Thailand* *Store origin: TH* *Last updated: 2026-11-06*