---
product_id: 300631147
title: "84 Pcs 304 Stainless Steel Metric M3 M4 M5 M6 M8 M10 M12 Wire Thread Inserts Steel Sheath Helicoil Type Screw Repair Sleeve Assortment Kit"
brand: "rustark"
price: "55454CFA"
currency: XOF
in_stock: true
url: https://www.desertcart.sn/products/300631147-84-pcs-304-stainless-steel-metric-m3-m4-m5-m6
store_origin: SN
region: Senegal
---

# 84 pcs assortment High shear strength 304 stainless steel 84 Pcs 304 Stainless Steel Metric M3 M4 M5 M6 M8 M10 M12 Wire Thread Inserts Steel Sheath Helicoil Type Screw Repair Sleeve Assortment Kit

**Brand:** rustark
**Price:** 55454CFA
**Availability:** ✅ In Stock

## Summary

> 🔧 Elevate Your Repairs with Rustark's Ultimate Screw Sleeve Kit!

## Quick Answers

- **What is this?** 84 Pcs 304 Stainless Steel Metric M3 M4 M5 M6 M8 M10 M12 Wire Thread Inserts Steel Sheath Helicoil Type Screw Repair Sleeve Assortment Kit by rustark
- **How much does it cost?** 55454CFA with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.sn](https://www.desertcart.sn/products/300631147-84-pcs-304-stainless-steel-metric-m3-m4-m5-m6)

## 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

- • **Wide Application:** Perfect for automotive, aviation, and electronic repairs.
- • **Enhanced Stability:** Locking design prevents slipping, ensuring a secure fit.
- • **Durable Construction:** Crafted from 304 stainless steel for unmatched rust resistance.
- • **Versatile Size Range:** Includes M3 to M12 for all your repair needs.
- • **Precision Engineering:** Deep threads and high precision for reliable connections.

## Overview

The Rustark 84 Pcs 304 Stainless Steel Metric Screw Repair Sleeve Assortment Kit offers a comprehensive solution for various repair needs, featuring 7 different sizes of wire thread inserts made from durable 304 stainless steel. With a focus on strength, stability, and precision, this kit is ideal for professionals in automotive, aviation, and electronics, ensuring reliable connections in any application.

## Description

84 Pcs 304 Stainless Steel Metric M3 M4 M5 M6 M8 M10 M12 Wire Thread Inserts Steel Sheath Helicoil Type Screw Repair Sleeve Assortment Kit

## Features

- 【7 Size Assorted Wire Screw Sleeve Set】The kit contains 7 kinds of size: M3（20pcs, M4(15pcs), M5(15pcs), M6(10pcs), M8(8pcs), M10(8pcs), M12(8pcs). Totally 84 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 |
|---------------|-------|
| Material | Stainless Steel 304 |
| Fastener Type | Lock |
| Thread Size | M3, M4, M5, M6, M8, M10, M12 |
| Exterior Finish | Stainless Steel |
| Colour | Silver |
| Metal Type | Stainless Steel, Alloy Steel |
| Finish Type | Brushed |
| Drive System | External Hex |
| Brand | Rustark |
| Item dimensions L x W x H | 12 x 7 x 2 Centimeters |
| Thread Type | Iso Metric |
| Inside Thread Size | M3, M4, M5, M6, M8, M10, M12 |
| Grade Rating | industrial |
| Thread Style | Right Hand |
| Thread Coverage | Partially Threaded |
| Thread Class | Standard |
| Size | 84 |
| Compatible groove diameter | 0.64 centimetres |
| Maximum Shear Strength | 275 MPa |
| Number of Pieces | 84 |
| Manufacturer | Rustark |
| Country of Origin | USA |
| Model number | R-YT84 |
| Item Weight | 159 g |
| Product Dimensions | 12 x 7 x 2 cm; 159 g |
| Item model number | R-YT84 |
| Item Height | 2 Centimeters |
| Item Width | 7 Centimeters |
| Are batteries included? | No |

## Product Details

- **Material:** Stainless Steel 304
- **Fastener Type:** Lock
- **Thread Size:** M3, M4, M5, M6, M8, M10, M12
- **Exterior Finish:** Stainless Steel
- **Colour:** Silver
- **Metal Type:** Stainless Steel, Alloy Steel
- **Finish Type:** Brushed
- **Drive System:** External Hex
- **Brand:** Rustark
- **Item dimensions L x W x H:** 12 x 7 x 2 Centimeters

## Images

![84 Pcs 304 Stainless Steel Metric M3 M4 M5 M6 M8 M10 M12 Wire Thread Inserts Steel Sheath Helicoil Type Screw Repair Sleeve Assortment Kit - Image 1](https://m.media-amazon.com/images/I/71pyU9nIi-L.jpg)

## Questions & Answers

**Q: can this be used on bike pedal?**
A: Width and depth must be considered to use these coils. Also, they must match the threads on the pedal bolt. If all three match, then yes, it can be used to repair a bike pedal.

**Q: Can thisitem be used on the exhaust system ?**
A: Yes, used it on head bolt to exhaust on a mogorcycle

**Q: does this kit come with an install tool?**
A: No. The install kit is separate

**Q: Does this kit come with a 20mm? I need a outer diameter 20 mm with an inside diameter of 18mm.**
A: no

## Frequently Bought Together

- Rustark 84 Pcs 304 Stainless Steel Metric M3 M4 M5 M6 M8 M10 M12 Wire Thread Inserts Steel Sheath Helicoil Type Screw Repair Sleeve Assortment Kit
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- Loctite Threadlocker Red 271 - Permanent Thread Lock Glue for Nuts, Bolts, & Fasteners, High Strength Screw Glue to Prevent Loosening & Corrosion - 6 ml, 1 Pack

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**Shop now:** [https://www.desertcart.sn/products/300631147-84-pcs-304-stainless-steel-metric-m3-m4-m5-m6](https://www.desertcart.sn/products/300631147-84-pcs-304-stainless-steel-metric-m3-m4-m5-m6)

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*Product available on Desertcart Senegal*
*Store origin: SN*
*Last updated: 2026-03-12*