---
product_id: 803471069
title: "– 6 Pcs Thread Adapter Sleeve Reducing Nut, M16 x 2 Male to M12 x 1.75 Female Thread Stainless Steel Repair Insert Nut Screw 20mm Length Reducer Conversion Fastener"
brand: "hipicco"
price: "£11.85"
currency: GBP
in_stock: true
reviews_count: 8
category: "Hipicco"
url: https://www.desertcart.co.uk/products/803471069-6-pcs-thread-adapter-sleeve-reducing-nut-m16-x-2
store_origin: GB
region: United Kingdom
---

# M12 x 1.75 female thread M16 x 2 male thread 303 stainless steel corrosion resistance – 6 Pcs Thread Adapter Sleeve Reducing Nut, M16 x 2 Male to M12 x 1.75 Female Thread Stainless Steel Repair Insert Nut Screw 20mm Length Reducer Conversion Fastener

**Brand:** hipicco
**Price:** £11.85
**Availability:** ✅ In Stock

## Summary

> 🔩 Upgrade your thread game — don’t let stripped holes slow you down!

## Quick Answers

- **What is this?** – 6 Pcs Thread Adapter Sleeve Reducing Nut, M16 x 2 Male to M12 x 1.75 Female Thread Stainless Steel Repair Insert Nut Screw 20mm Length Reducer Conversion Fastener by hipicco
- **How much does it cost?** £11.85 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/803471069-6-pcs-thread-adapter-sleeve-reducing-nut-m16-x-2)

## Best For

- hipicco enthusiasts

## Why This Product

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

## Key Features

- • **Compact 20mm Length:** Space-saving size perfect for tight, professional-grade applications.
- • **Easy Slot Installation:** Top slot design enables quick, screwdriver-friendly fitting and removal.
- • **Multi-Industry Reliability:** Trusted in automotive, aviation, electronics, and marine environments.
- • **Precision Thread Conversion:** Seamlessly adapt M16 male to M12 female threads for versatile repairs.
- • **Premium 303 Stainless Steel:** Engineered for rust-proof durability and industrial-grade strength.

## Overview

This 6-piece set of M16 x 2 male to M12 x 1.75 female thread adapter sleeves is crafted from high-grade 303 stainless steel, offering superior corrosion resistance and strength. Each 20mm long reducer nut features a convenient screwdriver slot for easy installation and is designed to restore or convert thread sizes in demanding industrial, automotive, and marine applications.

## Description

HiPicco 6 Pcs Thread Adapter Sleeve Reducing Nut, M16 x 2 Male to M12 x 1.75 Female Thread Stainless Steel Repair Insert Nut Screw 20mm Length Reducer Conversion Fastener : desertcart.co.uk: DIY & Tools

Review: ⭐⭐⭐⭐⭐ - Hi quality
Review: Good quality - Very good quality fit well inside aluminium. Exclusion.

## Features

- Specification: Male Thread Size: M16 x 2; Female Thread Size: M12 x 1.75; Length: 20mm / 0.79 inch; 6 Pack x Threaded Inserts
- Material: Made from high-grade 303 stainless steel, these repair nuts provide superior corrosion resistance, rust prevention, and exceptional strength. Engineered for reliable performance and long life, even under extreme stress, ensuring a secure, maintenance-free solution for industrial, marine, or outdoor applications.
- Feature: Each thread-reducing nut includes a convenient slot at the top, allowing for easy installation and removal with a flat-head screwdriver. Designed for simplicity and efficiency in handling. Features a smooth surface with deep, clear threads for even force distribution.
- Application: The thread reducer are essential for fixing damaged or mis-threaded holes, commonly used with screws and bolts in industrial fastening systems. Perfect for applications in aviation, automotive, electronics, computer hardware, lighting fixtures, mechanical equipment, and radiators. Durable and reliable, these nuts offer long-lasting solutions across multiple industries.
- Note: If there is a stripped M12 thread and you wish to continue using an M12 thread, you can use this method to expand the M12 thread to M16, and then recover it back to M12 using the repair nut. By reducing the diameter and utilizing stainless steel material, it will make the M10 thread stronger.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0F8GXDM82 |
| Batteries Required? | No |
| Batteries included? | No |
| Best Sellers Rank | 36,021 in DIY & Tools ( See Top 100 in DIY & Tools ) 40 in Nut Inserts |
| Colour | Silver |
| Customer Reviews | 4.3 4.3 out of 5 stars (19) |
| Date First Available | 14 May 2025 |
| Item Package Quantity | 6 |
| Item Weight | 60 g |
| Item model number | M12 x M16 x 20mm |
| Manufacturer | HiPicco |
| Material | Stainless Steel 303 |
| Number of Pieces | 6 |
| Package Dimensions | 11.6 x 7.9 x 1.4 cm; 60 g |
| Part number | H20250509059 |
| Size | M12 x M16 x 20mm |

## Product Details

- **Brand:** HIPICCO
- **Colour:** Silver
- **Manufacturer:** HiPicco
- **Material:** Stainless Steel 303
- **Metal type:** Stainless Steel
- **Number of pieces:** 6
- **Size:** M12 x M16 x 20mm
- **Thread style:** Right Hand

## Images

![– 6 Pcs Thread Adapter Sleeve Reducing Nut, M16 x 2 Male to M12 x 1.75 Female Thread Stainless Steel Repair Insert Nut Screw 20mm Length Reducer Conversion Fastener - Image 1](https://m.media-amazon.com/images/I/61kY7cgSHgL.jpg)

## Available Options

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

## Customer Reviews

### ⭐⭐⭐⭐⭐ ⭐⭐⭐⭐⭐
*by S***T on 11 February 2026*

Hi quality

### ⭐⭐⭐⭐⭐ Good quality
*by S***E on 30 October 2025*

Very good quality fit well inside aluminium. Exclusion.

### ⭐ garbage
*by K***R on 11 December 2025*

nowhere near m8 - waste of money

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**Shop now:** [https://www.desertcart.co.uk/products/803471069-6-pcs-thread-adapter-sleeve-reducing-nut-m16-x-2](https://www.desertcart.co.uk/products/803471069-6-pcs-thread-adapter-sleeve-reducing-nut-m16-x-2)

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*Product available on Desertcart United Kingdom*
*Store origin: GB*
*Last updated: 2026-05-26*