---
product_id: 635946100
title: "200 Pcs Helicoil Thread Repair Kit, M3-M8 Metric Thread Adapters, Reducing Nut & Sleeve Set"
brand: "mmdbd"
price: "7.34 OMR"
currency: OMR
in_stock: true
reviews_count: 8
category: "Mmdbd"
url: https://www.desertcart.com.om/products/635946100-200-pcs-helicoil-thread-repair-kit-m3-m8-metric-thread
store_origin: OM
region: Oman
---

# 200 pcs versatile sizes Precision thread locking Premium stainless steel durability 200 Pcs Helicoil Thread Repair Kit, M3-M8 Metric Thread Adapters, Reducing Nut & Sleeve Set

**Brand:** mmdbd
**Price:** 7.34 OMR
**Availability:** ✅ In Stock

## Summary

> 🔧 Fix it once, fix it right — the ultimate thread repair kit for pros who demand perfection.

## Quick Answers

- **What is this?** 200 Pcs Helicoil Thread Repair Kit, M3-M8 Metric Thread Adapters, Reducing Nut & Sleeve Set by mmdbd
- **How much does it cost?** 7.34 OMR with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.om](https://www.desertcart.com.om/products/635946100-200-pcs-helicoil-thread-repair-kit-m3-m8-metric-thread)

## Best For

- mmdbd enthusiasts

## Why This Product

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

## Key Features

- • **Built to Last:** Crafted from corrosion-resistant stainless steel for unbeatable longevity and strength.
- • **Organized & Ready:** Comes in a sleek storage box for quick access and zero hassle on the job.
- • **All-in-One Thread Savior:** 200 precision inserts from M3 to M8 cover every repair need effortlessly.
- • **Vibration-Proof Security:** Engineered to lock screws firmly, preventing loosening even under intense vibration.
- • **Industry-Grade Versatility:** Trusted across automotive, aerospace, shipbuilding, and household repairs alike.

## Overview

This 200-piece Helicoil Thread Repair Kit features high-quality stainless steel inserts in multiple metric sizes (M3-M8), designed to restore stripped or damaged threads with precision and durability. Its corrosion-resistant, vibration-proof design ensures long-lasting screw retention across diverse industries, all neatly organized in a portable storage box for professional convenience.

## Description

What are the advantages of our self-tapping threaded inserts? ✔ Made of high-quality stainless steel wire, corrosion-resistant, rust-resistant, stable structure and durable. ✔ The surface is smooth, the threads are deep and clear, the threads are accurate, and the force is even. ✔ Used to eliminate the deviation between the threaded hole and the tooth plate, and can lock the screw firmly in the threaded hole to ensure that the screw is not easy to loosen during vibration. ✔ All thread repair insert sets are placed in a storage box for easy access and storage. ✔ Suitable for many fields such as household appliances, automobile industry, rail vehicle industry, shipbuilding, aerospace precision parts, etc. Features: Material: Stainless Steel Color: As Shown Quantity: 200 Pcs Package Includes: Screws: 10 Sizes 40 Pcs - M3x0.5x1.5D 40 Pcs - M4x0.7x1.5D 30 Pcs - M5x0.8x1.5D 10 Pcs - M6x1.0x1.5D 5 Pcs - M8x1.25x1.5D 20 Pcs - M3x0.5x3D 20 Pcs - M4x0.7x3D 20 Pcs - M5x0.8x3D 10 Pcs - M6x1.0x3D 5 Pcs - M8x1.25x3D Wire Threaded Inserts M3 M4 M5 M6 M8 Warranty after sale: If you have any questions, please contact us in time, and we will solve your questions ASAP. Warm Tips: Color may vary slightly from the online image due to your monitor color settings, please refer to the actual product, thank you for your understanding.

Review: GOOD KIT - Good Kit.....Just what I needed and did the job. Value for money and fast delivery
Review: Well made - As described

## Features

- Exquisite Material: The helicoil thread repair kit is made of high-quality stainless steel wire, with exquisite workmanship, corrosion resistance, rust resistance, stable structure, not easy to break or deform, and has long-lasting durability and stability.
- Practical Design: The helicoil thread repair insert kit is mainly used to eliminate the deviation between the threaded hole and the tooth plate, which can firmly lock the screw in the threaded hole, enhance the thread connection performance, and ensure that the screw is not easy to loosen during vibration.
- Easy to Use: With smooth surface, deep and clear threads, accurate threads, and even force. All thread repair insert sets come in a storage box for easy access and storage. No confusion during transportation and easy to use.
- Wide Range of Applications: Used to repair peeled threaded holes, suitable for low-resistance, threaded connections of various wear-resistant materials, and is suitable for many fields such as household appliances, rail vehicle industry, automobile industry, shipbuilding, aerospace precision parts, etc.
- Package Includes: 200 pieces in total, size and quantity include: 40 pcs m3x0.5x1.5D, 40 pcs m4x0.7x1.5D, 30 pcs m5x0.8x1.5D, 10 pcs m6x1.0x1.5D, 5 pcs m8x1.25x1. 5D, 20 pcs m3x0.5x3D, 20 pcs m4x0.7x3D, 20 pcs m5x0.8x3D, 10 pcs m6x1.0x3D, 5 pcs m8x1.25x3D, meeting the needs of multiple scenarios and fields.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0CYGQCSW1 |
| Batteries Required? | No |
| Best Sellers Rank | 11,565 in Automotive ( See Top 100 in Automotive ) 15 in Thread Repair Kits |
| Compatible groove diameter | 7 Centimeters |
| Customer Reviews | 4.6 4.6 out of 5 stars (72) |
| Cutting Diameter | 7 Centimetres |
| Date First Available | 19 Mar. 2024 |
| Fastener type | Helical |
| Finish | Plain |
| Finish type | Plain |
| Head Style | Hex |
| Head style | Hex |
| Item Weight | 110 g |
| Item diameter | 7 Centimetres |
| Manufacturer | china |
| Manufacturer reference | MMDUK-200-137 |
| Number of items | 1 |
| Number of pieces | 200 |
| Part number | MMDUK-200-137 |
| Shape | Hexagonal |
| Size | M4 |
| Thread size | M3*0.5,M4*0.7,M5*0.8,M6*1,M8*1.25 |

## Product Details

- **Brand:** MMDBD
- **Colour:** stainless steel
- **Item dimensions L x W x H:** 14 x 7 x 2.2 centimetres
- **Material:** Stainless Steel
- **Size:** M3, M4, M5, M6, M8

## Images

![200 Pcs Helicoil Thread Repair Kit, M3-M8 Metric Thread Adapters, Reducing Nut & Sleeve Set - Image 1](https://m.media-amazon.com/images/I/81rwojv8BVL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ GOOD KIT
*by G***R on 30 April 2025*

Good Kit.....Just what I needed and did the job. Value for money and fast delivery

### ⭐⭐⭐⭐⭐ Well made
*by M***Y on 20 May 2025*

As described

### ⭐⭐⭐⭐ Good assortment
*by L***L on 26 June 2025*

Does the job, also tried in plastic didn't work very well

## Frequently Bought Together

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**Shop now:** [https://www.desertcart.com.om/products/635946100-200-pcs-helicoil-thread-repair-kit-m3-m8-metric-thread](https://www.desertcart.com.om/products/635946100-200-pcs-helicoil-thread-repair-kit-m3-m8-metric-thread)

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*Product available on Desertcart Oman*
*Store origin: OM*
*Last updated: 2026-03-14*