---
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: "€ 19.34"
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:** € 19.34
**Availability:** ✅ In Stock

## Summary

> 🔧 Upgrade your 3D prints with pro-grade 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?** € 19.34 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

- • **Precision 1/4" UNC Threading:** Perfectly sized for professional 3D printed parts and industrial-grade fastening.
- • **Durable Lead-Free Brass Construction:** Corrosion-resistant and thermally conductive for long-lasting, reliable performance.
- • **Complete 20-Piece Set for Bulk Projects:** Stock up and stay ready with a commercial-grade kit designed for serious makers and managers.
- • **Effortless Heat & Ultrasound Installation:** Embed inserts seamlessly with soldering iron or ultrasonic tools—no mess, no fuss.
- • **Universal Compatibility with Thermoplastics:** Securely 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 size, these inserts provide a firm, corrosion-resistant hold compatible with popular plastics like PLA and ABS. Ideal for professional-grade 3D printer components, they ensure durable, reusable fastening with easy installation and high torque resistance.

## 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 | #1,371 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #209 in 3D Printer Accessories |
| Brand | ruthex |
| Color | UNC Threaded Insert |
| Compatible Groove Diameter | 0.25 inches |
| Customer Reviews | 4.6 4.6 out of 5 stars (184) |
| 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/71T4NfgP9oL.jpg)

## Available Options

This product comes in different **Color, Size** options.

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*Product available on Desertcart Austria*
*Store origin: AT*
*Last updated: 2026-08-21*