---
product_id: 167451074
title: "200 Pcs Wire Thread Inserts kit 304 Stainless Steel Metric M3 M4 M5 M6 M8 M10 M12 Helicoil Kit Wire Screw Sleeve Thread Repair Kit"
brand: "rustark"
price: "£20.67"
currency: GBP
in_stock: true
reviews_count: 8
category: "Rustark"
url: https://www.desertcart.co.uk/products/167451074-200-pcs-wire-thread-inserts-kit-304-stainless-steel-metric
store_origin: GB
region: United Kingdom
---

# 7 metric sizes, 200 pcs total Locking design for vibration-proof stability 304 stainless steel, rust & corrosion resistant 200 Pcs Wire Thread Inserts kit 304 Stainless Steel Metric M3 M4 M5 M6 M8 M10 M12 Helicoil Kit Wire Screw Sleeve Thread Repair Kit

**Brand:** rustark
**Price:** £20.67
**Availability:** ✅ In Stock

## Summary

> 🔧 Fix it once, fix it right — the ultimate thread repair kit for pros!

## Quick Answers

- **What is this?** 200 Pcs Wire Thread Inserts kit 304 Stainless Steel Metric M3 M4 M5 M6 M8 M10 M12 Helicoil Kit Wire Screw Sleeve Thread Repair Kit by rustark
- **How much does it cost?** £20.67 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co.uk](https://www.desertcart.co.uk/products/167451074-200-pcs-wire-thread-inserts-kit-304-stainless-steel-metric)

## Best For

- rustark enthusiasts

## Why This Product

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

## Key Features

- • **Complete Metric Range:** From M3 to M12, 7 sizes sorted for precision repairs
- • **Reusable & Low Abrasion:** High hardness ensures minimal wear and extended service life
- • **Versatile Industrial Use:** Trusted in aviation, automotive, electronics, and heavy machinery
- • **Premium 304 Stainless Steel:** Durable, rust-proof, and built to last in demanding environments
- • **Vibration-Resistant Locking:** Secure screw connections that won’t loosen under stress

## Overview

The Rustark 200 Pcs Wire Thread Inserts Kit offers a comprehensive set of 7 metric sizes (M3 to M12) made from premium 304 stainless steel. Designed for high durability and corrosion resistance, these helicoil inserts feature a locking design that prevents screw loosening and vibration damage. Perfect for professional-grade repairs across automotive, aerospace, electronics, and industrial applications, this kit ensures reliable, reusable, and precision thread restoration.

## Description

Rustark 200 Pcs Wire Thread Inserts kit 304 Stainless Steel Metric M3 M4 M5 M6 M8 M10 M12 Helicoil Type Wire Screw Sleeve Thread Repair Kit ★Product Specification:Name: Wire Screw Sleeve Material: 304 Stainless SteelSize: M3 M4 M5 M6 M8 M10 M12Quantity: 200 pcsMain Function: Screw Repair ★Product Feature:＊Locking Design: locking the the screw into the threaded hole,avoiding sliding wire, improving strength and stability of screws connection.＊Low Abrasion: High hardness,it has little wear and tear in connection with screw. Long service time, Reusable.＊Rust Resistance: Made of 304 stainless steel. Anti-oxidation layer is formed on the surface. Rust-proof and Anti-corrosion.＊Anti-loose: With certain elastic and even load,eliminate the screw and screw hole deviation between the pitch and tooth type and absorb vibration. ＊Easy to use: The damaged screw holes shall be put into the wire screw sleeve without increasing the diameter of the screw hole.★Package Including:M3 x 0.5 x 2D --------------- 50pcsM4 x 0.7 x 2D --------------- 40pcsM5 x 0.8 x 2D --------------- 30pcsM6 x 1 x 2D ----------------- 30pcsM8 x 1.25 x 2D -------------- 20pcsM10 x 1.5 x2D -------------- 20pcsM12 x 1.75 x 2D ------------ 10pcsTotally 200 piece♥ if you have any problems, pls feel free contact us.

Review: producto perfecto - Igual a la descripción, completo surtido de remaches de tuercas
Review: Work - It will work

## Features

- 👍【7 Size Assorted Helicoil kit】The kit contains 7 kinds of size: M3（50pcs, M4(40pcs), M5(30pcs), M6(30pcs), M8(20pcs), M10(20pcs), M12(10pcs). Totally 200 piece. Package into a plastic grids case and each size sorted a grid separately.
- 👍【304 Stainless Steel】Made of 304 stainless steel, hardness, rust-resistance and anti-corrosion. Not easy to slick, deep thread, no deformation, smooth thread, high precision. High hardness and low abrasion.
- 👍【Strong Connection 】With certain elastic and even load so that it is resistant to vibration. locking-design allows it lock the the screw into the threaded hole,avoiding sliding wire. Greatly improve strength and stability of screws connection.
- 👍【Widely Application】Widely used in aviation, automobiles, steam turbines, electronic communications, computers, lamps, molds, mechanical equipment, radiators, and semiconductor equipment.
- 👍【Reliable After-sale Service】We offer you reliable after-sales service. If you have any questions about our products or any problems with your packages, please feel free to contact us. We will reply you within 24 hours and we will try our best to solve the problems until you are satisfied.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B07Y37TQG1 |
| Best Sellers Rank | #550,790 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #102 in Thread Locking Inserts |
| Brand | Rustark |
| Color | Assorted |
| Compatible Groove Diameter | 10 Millimeters |
| Customer Reviews | 4.4 out of 5 stars 121 Reviews |
| Exterior Finish | Stainless Steel |
| Fastener Type | Insert |
| Finish Types | Stainless Steel |
| Grade Rating | Industrial |
| Inside Thread Size | M3, M4, M5, M6, M8, M10, M12 |
| Item Diameter | 6 Millimeters |
| Manufacturer | Rustark |
| Material | Stainless Steel |
| Material Type | Stainless Steel |
| Metal Type | Stainless Steel |
| Model | R-YT200 |
| Number of Pieces | 200 |
| Part Number | R-YT200 |
| Screw Head Style | Flat |
| Thread Class | Fine |
| Thread Coverage | Partially Threaded |
| Thread Size | m6 |
| Thread Style | Right Hand |
| Thread Type | Unified National Coarse |

## Product Details

- **Color:** Assorted
- **Exterior Finish:** Stainless Steel
- **Fastener Type:** Insert
- **Material:** Stainless Steel
- **Thread Size:** m6

## Images

![200 Pcs Wire Thread Inserts kit 304 Stainless Steel Metric M3 M4 M5 M6 M8 M10 M12 Helicoil Kit Wire Screw Sleeve Thread Repair Kit - Image 1](https://m.media-amazon.com/images/I/71mMh1VMpOL.jpg)
![200 Pcs Wire Thread Inserts kit 304 Stainless Steel Metric M3 M4 M5 M6 M8 M10 M12 Helicoil Kit Wire Screw Sleeve Thread Repair Kit - Image 2](https://m.media-amazon.com/images/I/61VtNjjPJ6L.jpg)
![200 Pcs Wire Thread Inserts kit 304 Stainless Steel Metric M3 M4 M5 M6 M8 M10 M12 Helicoil Kit Wire Screw Sleeve Thread Repair Kit - Image 3](https://m.media-amazon.com/images/I/71DKuSWxPSL.jpg)
![200 Pcs Wire Thread Inserts kit 304 Stainless Steel Metric M3 M4 M5 M6 M8 M10 M12 Helicoil Kit Wire Screw Sleeve Thread Repair Kit - Image 4](https://m.media-amazon.com/images/I/71+KmTQ0P8L.jpg)
![200 Pcs Wire Thread Inserts kit 304 Stainless Steel Metric M3 M4 M5 M6 M8 M10 M12 Helicoil Kit Wire Screw Sleeve Thread Repair Kit - Image 5](https://m.media-amazon.com/images/I/71SNqZEjFRL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ producto perfecto
*by T***. on April 9, 2021*

Igual a la descripción, completo surtido de remaches de tuercas

### ⭐⭐⭐ Work
*by M***U on May 30, 2020*

It will work

### ⭐ Wrong size
*by C***F on October 9, 2020*

Thread insert goes into tapped hole pretty snug. Then when I went to put my m8x1.25 bolt in the thread had to expand and the bolt would not fit.

## Frequently Bought Together

- Rustark 200 Pcs Wire Thread Inserts kit 304 Stainless Steel Metric M3 M4 M5 M6 M8 M10 M12 Helicoil Kit Wire Screw Sleeve Thread Repair Kit
- AKM 338Pc Thread Repair Kit, HSS Drill Helicoil Repair Kit SAE&Metric，1/4" 5/16" 3/8" 7/16" 1/2" M5 M6 M8 M10 M12 Kit with Thread Gauge

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*Product available on Desertcart United Kingdom*
*Store origin: GB*
*Last updated: 2026-05-30*