---
product_id: 214211472
title: "ruthex threaded Insert M3 (100 pieces) - RX-M3x5.7- brass threaded sockets - press-fit nut for plastic parts - by heat or ultrasound in 3D printer parts"
brand: "ruthex"
price: "KD 18.31"
currency: KWD
in_stock: true
reviews_count: 8
category: "Ruthex"
url: https://www.desertcart.com.kw/products/214211472-ruthex-threaded-insert-m3-100-pieces-rx-m3x5-7-brass
store_origin: KW
region: Kuwait
---

# Heat & ultrasound press-fit ready M3 internal thread precision 100-piece bulk pack ruthex threaded Insert M3 (100 pieces) - RX-M3x5.7- brass threaded sockets - press-fit nut for plastic parts - by heat or ultrasound in 3D printer parts

**Brand:** ruthex
**Price:** KD 18.31
**Availability:** ✅ In Stock

## Summary

> 🔧 Lock in strength, print with confidence!

## Quick Answers

- **What is this?** ruthex threaded Insert M3 (100 pieces) - RX-M3x5.7- brass threaded sockets - press-fit nut for plastic parts - by heat or ultrasound in 3D printer parts by ruthex
- **How much does it cost?** KD 18.31 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.kw](https://www.desertcart.com.kw/products/214211472-ruthex-threaded-insert-m3-100-pieces-rx-m3x5-7-brass)

## 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 Ready for Pros:** 100 inserts per pack means you’re always stocked for rapid prototyping or production runs.
- • **Unmatched Grip Strength:** Opposite spiral knurling delivers superior torque and pull-out resistance for rock-solid fastening.
- • **Premium Brass Durability:** Corrosion-resistant, thermally conductive brass ensures longevity and effortless insertion every time.
- • **Seamless 3D Printer Integration:** Specifically engineered for Anycubic, Creality, Prusa & more — perfect for your next 3D printed enclosure.
- • **Versatile Plastic Compatibility:** Optimized for PLA, PETG, ABS, PPS, PP and other thermoplastics — your go-to insert for diverse projects.

## Overview

The ruthex M3 threaded brass inserts (100 pcs) are precision-engineered press-fit nuts designed for durable, high-torque fastening in thermoplastic 3D printed parts. Compatible with heat or ultrasonic embedding, these corrosion-resistant inserts provide reliable, long-lasting thread reinforcement for professional-grade 3D printer enclosures and plastic assemblies.

## Description

ruthex threaded Insert M3 (100 pieces) - RX-M3x5.7- brass threaded sockets - press-fit nut for plastic parts - by heat or ultrasound in 3D printer parts : desertcart.co.uk: DIY & Tools

Review: Great for 3D printed enclosures - I use these in every single 3D printed enclosure I design and they are perfect. Just finished off a bag of M3's and I've ordered some M4 and M5
Review: Inserts, for inserting... - Perfectly as described.

## Features

- 🔧 FIXED HOLD: The opposite spiral knurled nuts ensure a balanced high tightening and loosening torque as well as a high pull-out force. The guidance has made insertion much easier for the user.
- 🔧 3D PRINTING PARTS: The ruthex thread inserts have been developed for subsequent insertion in 3D printer parts from, for example, Anycubic, Creality or Prusa Drucker. The press-in nuts can easily be embedded in a blind or through hole using ultrasound or heat (soldering iron).
- 🔧 STABLE AND DURABLE: The inserts are made of the highest quality brass, which ensures excellent corrosion resistance and thermal conductivity to ensure long-term use and easy insertion.
- 🔧 APPLICATION PLASTICS: The threaded nuts are designed for thermoplastic materials. The plastics PLA, PETG, ABS, PPS, PP, etc. are most suitable.
- 🔧 INCLUDES QUANTITY: ruthex thread insert set RX-M3x5.7 consists of 100 press nuts with an internal thread M3 and a length of 5.7mm for ultrasonic / warm embedding

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B08BCRZZS3 |
| Batteries Required? | No |
| Batteries included? | No |
| Best Sellers Rank | 411,499 in DIY & Tools ( See Top 100 in DIY & Tools ) 535 in Nut Inserts |
| Colour | yellow |
| Customer Reviews | 4.8 4.8 out of 5 stars (1,378) |
| Cutting Diameter | 3 Millimetres |
| Date First Available | 20 Sept. 2020 |
| Finish | Brass |
| Head Style | Flat |
| Item Package Quantity | 1 |
| Item Weight | 30 g |
| Item diameter | 3 Millimetres |
| Item model number | GE-M3x57-001 |
| Manufacturer | LUTDTRS |
| Material | Brass |
| Number of Pieces | 100 |
| Part number | GE-M3x57-001 |
| Shape | Square |
| Size | M3 |

## Product Details

- **Brand:** ruthex
- **Colour:** yellow
- **Exterior finish:** Brass
- **Fastener type:** Knurled
- **Finish type:** Brass
- **Item dimensions L x W x H:** 12 x 9 x 1 centimetres
- **Material:** Brass
- **Metal type:** Brass
- **Thread size:** M 3
- **Thread type:** ISO Metric

## Images

![ruthex threaded Insert M3 (100 pieces) - RX-M3x5.7- brass threaded sockets - press-fit nut for plastic parts - by heat or ultrasound in 3D printer parts - Image 1](https://m.media-amazon.com/images/I/717sikDXLoL.jpg)
![ruthex threaded Insert M3 (100 pieces) - RX-M3x5.7- brass threaded sockets - press-fit nut for plastic parts - by heat or ultrasound in 3D printer parts - Image 2](https://m.media-amazon.com/images/I/81pKWAOJdoL.jpg)
![ruthex threaded Insert M3 (100 pieces) - RX-M3x5.7- brass threaded sockets - press-fit nut for plastic parts - by heat or ultrasound in 3D printer parts - Image 3](https://m.media-amazon.com/images/I/717LH8yMKsL.jpg)
![ruthex threaded Insert M3 (100 pieces) - RX-M3x5.7- brass threaded sockets - press-fit nut for plastic parts - by heat or ultrasound in 3D printer parts - Image 4](https://m.media-amazon.com/images/I/71od3QUANkL.jpg)
![ruthex threaded Insert M3 (100 pieces) - RX-M3x5.7- brass threaded sockets - press-fit nut for plastic parts - by heat or ultrasound in 3D printer parts - Image 5](https://m.media-amazon.com/images/I/71ntgYcJImL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Great for 3D printed enclosures
*by S***E on 11 July 2020*

I use these in every single 3D printed enclosure I design and they are perfect. Just finished off a bag of M3's and I've ordered some M4 and M5

### ⭐⭐⭐⭐⭐ Inserts, for inserting...
*by D***S on 30 September 2020*

Perfectly as described.

### ⭐⭐⭐⭐⭐ Never used these before absolutely great easy and works very well
*by M***N on 15 October 2020*

liked every thing about them, first time used them no issues easy worked well and will definitely now use them.

## 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

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**Shop now:** [https://www.desertcart.com.kw/products/214211472-ruthex-threaded-insert-m3-100-pieces-rx-m3x5-7-brass](https://www.desertcart.com.kw/products/214211472-ruthex-threaded-insert-m3-100-pieces-rx-m3x5-7-brass)

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*Product available on Desertcart Kuwait*
*Store origin: KW*
*Last updated: 2026-02-23*