---
product_id: 801969192
title: "1/4\"-20 Heat Set Threaded Inserts,30 Pieces 1/4\"-20x8x8 Heat Set Insert for 3D Printing Components and Plastic Parts,Brass Knurled Nuts"
brand: "zwmssll"
price: "$491"
currency: MXN
in_stock: true
reviews_count: 10
category: "Zwmssll"
url: https://www.desertcart.mx/products/801969192-1-4-20-heat-set-threaded-inserts-30-pieces-1
store_origin: MX
region: Mexico
---

# 30 pcs organized kit Withstands 300°C+ heat 45° knurled torque grip 1/4"-20 Heat Set Threaded Inserts,30 Pieces 1/4"-20x8x8 Heat Set Insert for 3D Printing Components and Plastic Parts,Brass Knurled Nuts

**Brand:** zwmssll
**Price:** $491
**Availability:** ✅ In Stock

## Summary

> 🔩 Upgrade your 3D prints to pro-grade durability and style!

## Quick Answers

- **What is this?** 1/4"-20 Heat Set Threaded Inserts,30 Pieces 1/4"-20x8x8 Heat Set Insert for 3D Printing Components and Plastic Parts,Brass Knurled Nuts by zwmssll
- **How much does it cost?** $491 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.mx](https://www.desertcart.mx/products/801969192-1-4-20-heat-set-threaded-inserts-30-pieces-1)

## Best For

- zwmssll enthusiasts

## Why This Product

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

## Key Features

- • **Plug & Play Packaging:** Individually labeled, thick PE bags for quick access and clutter-free workflow.
- • **Precision Knurled Grip:** 45° angled knurling locks in screws with superior torque resistance—no slip, no strip.
- • **Heat-Resistant Brass Powerhouse:** Endures extreme 3D printing heat without warping or corrosion.
- • **Effortless Installation & Reusability:** Install with a common soldering iron or ultrasonic method; remove and reuse without hassle.
- • **Universal Thermoplastic Compatibility:** Seamlessly integrates with PLA, ABS, PETG, and more for versatile project needs.

## Overview

The ZWMSSLL 1/4"-20 Heat Set Threaded Inserts are premium brass knurled nuts designed for 3D printed and plastic parts. Featuring high thermal resistance over 300°C, precision 45° knurling for enhanced torque grip, and a convenient 30-piece labeled kit, these inserts ensure factory-level fastening strength and reliability across all common thermoplastics. Ideal for makers and professionals seeking durable, reusable, and easy-to-install threaded solutions.

## Description

ZWMSSLL 1/4"-20 Heat Set Threaded Inserts,30 Pieces 1/4"-20x8x8 Heat Set Insert for 3D Printing Components and Plastic Parts,Brass Knurled Nuts: desertcart.com: Industrial & Scientific

Review: Works like how it says on the tin. - These little guys worked a treat! I have never used heat set inserts before, but they worked perfectly. I used them to assemble a 3d printed test bench for computer components. Excellent items.
Review: Worth the quality you get! - Best Ive tried yet! They get a great bite with the thread. With proper heat press temp settings, press time and the right size hole Im able make 3d prints look factory official with them. Havnt had 1 strip or not fit a screw, unless I misaligned it when pressing. I have m4-m8 stocked

## Features

- 【1/4"-20 Heat Set Threaded Inserts For Your 3D Printed Parts】- The ZWMSSLL threaded insert are lead free,30 pieces 1/4"-20x8x8 Insert nuts.Different sizes of threaded inserts are individually packaged in thickened PE bags,Corresponding labels for the threaded inserts help you quickly find the desired type,Convenient use and storage，significantly boosting your work efficiency.
- 【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 / 586°F, they easily endure the harsh heat generated during plastic thermal shaping processes.
- 【Precision Craftsmanship】- The 45-degree angled knurling significantly enhances torque resistance and tensile strength, ensuring a stronger fastening. High-precision and clear threading ensures stability and reliability, preventing thread slippage during rotation. The embedded nuts feature guiding elements, eliminating the need for countersinking or recessing, making your work more convenient and efficient.
- 【Easy to Use】- With a common soldering iron, you can easily place them into a blind or through hole of 3D prints.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. The reusability of the insert nut is also possible by carefully removing them from the pressure part when they are no longer needed.
- 【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.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0DFWVD621 |
| Best Sellers Rank | #5,705 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #12 in Nut Inserts |
| Brand | ZWMSSLL |
| Color | Gold |
| Date First Available | November 11, 2024 |
| Exterior Finish | Brass |
| Fastener Type | Insert |
| Inside Thread Size | #4 |
| Item Diameter | 6.35 Millimeters |
| Item Weight | 1.13 ounces |
| Item model number | ZW-1/4"-20x8x8 |
| Manufacturer | ZWMSSLL |
| Material | Brass |
| Metal Type | Brass |
| Number of Pieces | 40 |
| Size | 1/4"-20x8x8 |
| Thread Class | Coarse |
| Thread Coverage | Partially Threaded |
| Thread Size | 1/4"-20 |
| Thread Style | Right Hand |
| Thread Type | Unified National Coarse (Unc) |

## Product Details

- **Color:** Gold
- **Exterior Finish:** Brass
- **Fastener Type:** Insert
- **Material:** Brass
- **Thread Size:** 1/4"-20

## Images

![1/4"-20 Heat Set Threaded Inserts,30 Pieces 1/4"-20x8x8 Heat Set Insert for 3D Printing Components and Plastic Parts,Brass Knurled Nuts - Image 1](https://m.media-amazon.com/images/I/71tdlp3en4L.jpg)
![1/4"-20 Heat Set Threaded Inserts,30 Pieces 1/4"-20x8x8 Heat Set Insert for 3D Printing Components and Plastic Parts,Brass Knurled Nuts - Image 2](https://m.media-amazon.com/images/I/81FBs3hSKWL.jpg)
![1/4"-20 Heat Set Threaded Inserts,30 Pieces 1/4"-20x8x8 Heat Set Insert for 3D Printing Components and Plastic Parts,Brass Knurled Nuts - Image 3](https://m.media-amazon.com/images/I/71MA2D7dPAL.jpg)
![1/4"-20 Heat Set Threaded Inserts,30 Pieces 1/4"-20x8x8 Heat Set Insert for 3D Printing Components and Plastic Parts,Brass Knurled Nuts - Image 4](https://m.media-amazon.com/images/I/71NV-Jd6fiL.jpg)
![1/4"-20 Heat Set Threaded Inserts,30 Pieces 1/4"-20x8x8 Heat Set Insert for 3D Printing Components and Plastic Parts,Brass Knurled Nuts - Image 5](https://m.media-amazon.com/images/I/71g7mOR70fL.jpg)

## Available Options

This product comes in different **Size, Number Of Items** options.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Works like how it says on the tin.
*by N***. on November 22, 2025*

These little guys worked a treat! I have never used heat set inserts before, but they worked perfectly. I used them to assemble a 3d printed test bench for computer components. Excellent items.

### ⭐⭐⭐⭐⭐ Worth the quality you get!
*by D***H on February 19, 2026*

Best Ive tried yet! They get a great bite with the thread. With proper heat press temp settings, press time and the right size hole Im able make 3d prints look factory official with them. Havnt had 1 strip or not fit a screw, unless I misaligned it when pressing. I have m4-m8 stocked

### ⭐⭐⭐⭐⭐ Good way to add threads to 3D printed parts.
*by E***E on January 26, 2026*

Works well to add threads to 3D printed parts! Good strength and works good!

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*Product available on Desertcart Mexico*
*Store origin: MX*
*Last updated: 2026-03-09*