---
product_id: 772057117
title: "400Pcs Threaded Inserts, M2 M2.5 M3 M4 M5 M6 Female Thread Metric Knurled Nuts Assortment Kit, Brass Heat Set Insert for Plastic and 3D Printing Components (Threaded Inserts Ket)"
brand: "ktehloy"
price: "€ 29.12"
currency: EUR
in_stock: true
url: https://www.desertcart.fr/products/772057117-400pcs-threaded-inserts-m2-m2-5-m3-m4-m5-m6
store_origin: FR
region: France
---

# Heat resistant up to 300°C 400 precision brass inserts 45° knurled torque grip 400Pcs Threaded Inserts, M2 M2.5 M3 M4 M5 M6 Female Thread Metric Knurled Nuts Assortment Kit, Brass Heat Set Insert for Plastic and 3D Printing Components (Threaded Inserts Ket)

**Brand:** ktehloy
**Price:** € 29.12
**Availability:** ✅ In Stock

## Summary

> 🔧 Upgrade your 3D prints with brass precision and heat-proof power!

## Quick Answers

- **What is this?** 400Pcs Threaded Inserts, M2 M2.5 M3 M4 M5 M6 Female Thread Metric Knurled Nuts Assortment Kit, Brass Heat Set Insert for Plastic and 3D Printing Components (Threaded Inserts Ket) by ktehloy
- **How much does it cost?** € 29.12 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.fr](https://www.desertcart.fr/products/772057117-400pcs-threaded-inserts-m2-m2-5-m3-m4-m5-m6)

## Best For

- ktehloy enthusiasts

## Why This Product

- Trusted ktehloy brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Effortless Installation:** Heat-set or ultrasonic install with ease—no countersinking needed, saving you time and hassle on every build.
- • **Premium Brass Durability:** Crafted from corrosion-resistant brass that withstands heat beyond 300°C, ensuring long-lasting, reliable connections.
- • **Massive 400-Piece Assortment:** Never run out mid-project—covers M2 to M6 sizes for all your 3D printing and plastic fastening needs.
- • **Precision Threading & Torque Grip:** Engineered with clear threading and 45° knurling to prevent slippage and maximize fastening strength.
- • **Universal Thermoplastic Compatibility:** Perfect for PLA, ABS, PETG, and more—ideal for 3D prints, electronics, automotive parts, and beyond.

## Overview

This 400-piece brass threaded insert kit offers a comprehensive range of M2 to M6 sizes, designed for heat-setting into thermoplastics. Featuring high thermal resistance (300°C+), corrosion-proof brass construction, and precision 45° knurled threading, these inserts deliver superior torque grip and durability. Ideal for 3D printing, electronics, and plastic fastening applications, they simplify installation without countersinking, making them a must-have for professional-grade projects.

## Description

Full description not available

## Features

- 【Package Content】- The package includes 400 high-quality metric threaded inserts for plastic heat-setting. With a large quantity available, it meets the needs for connecting numerous 3D printing accessories. The threaded brass inserts are approximately sized at M2 M2.5 M3 M4 M5 M6. Please ensure the nut's size matches your plastic parts effectively.
- 【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 / 572°F, they easily endure the harsh heat generated during plastic thermal shaping processes.
- 【Precision Craftsmanship】- High-precision and clear threading ensures stability and reliability, preventing thread slippage during rotation. The 45-degree angled knurling significantly enhances torque resistance and tensile strength, ensuring a stronger fastening. The embedded nuts feature guiding elements, eliminating the need for countersinking or recessing, making your work more convenient and efficient.
- 【Easy to Use】- Brass threaded inserts can be installed into components of a 3D printer through heating or ultrasonic methods, or molded during the injection process. They are also suitable for circuit board assembly and the electronics field. With a common soldering iron, you can easily place them into the holes of 3D prints.
- 【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 3D printed objects, injection-molded plastic parts, automotive plastic casings, or laptop shells, these inserts offer reliable and durable solutions.

## Images

![400Pcs Threaded Inserts, M2 M2.5 M3 M4 M5 M6 Female Thread Metric Knurled Nuts Assortment Kit, Brass Heat Set Insert for Plastic and 3D Printing Components (Threaded Inserts Ket) - Image 1](https://m.media-amazon.com/images/I/91HQ1Owy3rL.jpg)
![400Pcs Threaded Inserts, M2 M2.5 M3 M4 M5 M6 Female Thread Metric Knurled Nuts Assortment Kit, Brass Heat Set Insert for Plastic and 3D Printing Components (Threaded Inserts Ket) - Image 2](https://m.media-amazon.com/images/I/71QuYMyp7zL.jpg)
![400Pcs Threaded Inserts, M2 M2.5 M3 M4 M5 M6 Female Thread Metric Knurled Nuts Assortment Kit, Brass Heat Set Insert for Plastic and 3D Printing Components (Threaded Inserts Ket) - Image 3](https://m.media-amazon.com/images/I/71T-xU0bwsL.jpg)
![400Pcs Threaded Inserts, M2 M2.5 M3 M4 M5 M6 Female Thread Metric Knurled Nuts Assortment Kit, Brass Heat Set Insert for Plastic and 3D Printing Components (Threaded Inserts Ket) - Image 4](https://m.media-amazon.com/images/I/71AxUn6X9AL.jpg)
![400Pcs Threaded Inserts, M2 M2.5 M3 M4 M5 M6 Female Thread Metric Knurled Nuts Assortment Kit, Brass Heat Set Insert for Plastic and 3D Printing Components (Threaded Inserts Ket) - Image 5](https://m.media-amazon.com/images/I/714h8Dc-i4L.jpg)

## Available Options

This product comes in different **Model** options.

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**Shop now:** [https://www.desertcart.fr/products/772057117-400pcs-threaded-inserts-m2-m2-5-m3-m4-m5-m6](https://www.desertcart.fr/products/772057117-400pcs-threaded-inserts-m2-m2-5-m3-m4-m5-m6)

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*Product available on Desertcart France*
*Store origin: FR*
*Last updated: 2026-03-13*