---
product_id: 203664615
title: "M12 to M8 Thread Adapter - Thread Inserts 20Pcs 302 Carbon Steel Self-Tapping Thread Insert Screw Repairing Accessories(Inner M81.25 Outer M121.5: 15mm / 0.6in)"
brand: "reminnbor"
price: "€ 17.06"
currency: EUR
in_stock: true
reviews_count: 3
category: "Reminnbor"
url: https://www.desertcart.fi/products/203664615-m12-to-m8-thread-adapter-thread-inserts-20pcs-302-carbon
store_origin: FI
region: Finland
---

# M8 x 1.25 precision threading Self-tapping, no pre-tapping needed High-strength carbon steel build M12 to M8 Thread Adapter - Thread Inserts 20Pcs 302 Carbon Steel Self-Tapping Thread Insert Screw Repairing Accessories(Inner M81.25 Outer M121.5: 15mm / 0.6in)

**Brand:** reminnbor
**Price:** € 17.06
**Availability:** ✅ In Stock

## Summary

> 🔧 Upgrade your thread game—stronger, faster, smarter!

## Quick Answers

- **What is this?** M12 to M8 Thread Adapter - Thread Inserts 20Pcs 302 Carbon Steel Self-Tapping Thread Insert Screw Repairing Accessories(Inner M81.25 Outer M121.5: 15mm / 0.6in) by reminnbor
- **How much does it cost?** € 17.06 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.fi](https://www.desertcart.fi/products/203664615-m12-to-m8-thread-adapter-thread-inserts-20pcs-302-carbon)

## Best For

- reminnbor enthusiasts

## Why This Product

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

## Key Features

- • **Seamless Thread Conversion:** Effortlessly adapt M12 to M8 threads for versatile applications.
- • **Vibration-Proof Reliability:** Engineered to resist loosening under intense vibration—ideal for automotive & industrial use.
- • **Quick & Flawless Installation:** Self-tapping design ensures fast setup with minimal tools and zero defects.
- • **Durable Carbon Steel Construction:** Premium 302 carbon steel with zinc plating guarantees long-lasting strength and corrosion resistance.
- • **Economical Thread Repair Solution:** Restore damaged threads without costly replacements—maintain original screw compatibility.

## Overview

This pack of 20 M12 to M8 self-tapping thread adapters is crafted from durable 302 carbon steel with zinc plating, designed for quick installation without pre-tapping. Perfect for automotive, industrial, and household applications, these inserts provide vibration-resistant, high-strength thread repair and conversion, ensuring reliable performance and cost-effective maintenance.

## Description

Specification: Condition: Brand New Material: Carbon Steel(Plating Color Zinc) Optional Style: Inner M2*0.4 Outer M4.5*0.5, Inner M4*0.7 Outer M6.5*0.75, Inner M3*0.5 Outer M5*0.5, Inner M5*0.8 Outer M8*1.0, Inner M6*1.0 Outer M9*1.0, Inner M6*1.0 Outer M10*1.5, Inner M8*1.25 Outer M12*1.5, Inner M10*1.5 Outer M14*1.5, Inner M12*1.75 Outer M16*1.5 Weight: Approx. 9-229g / 0.3-8.1oz Length: Approx. Inner M2*0.4 Outer M4.5*0.5: 6mm / 0.2in Inner M4*0.7 Outer M6.5*0.75: 8mm / 0.3in Inner M3*0.5 Outer M5*0.5: 6mm / 0.2in Inner M5*0.8 Outer M8*1.0: 10mm / 0.4in Inner M6*1.0 Outer M9*1.0: 12mm / 0.5in Inner M6*1.0 Outer M10*1.5: 14mm / 0.6in Inner M8*1.25 Outer M12*1.5: 15mm / 0.6in Inner M10*1.5 Outer M14*1.5: 18mm / 0.7in Inner M12*1.75 Outer M16*1.5: 22mm / 0.9in Package List: 20Pcs Thread Inserts

Review: Works as advertised - I used these as part of a "step down" from the M12 female threads of 15mm DSLR rig tubing in order to attach said tubing to an IKEA table's M5 screws. M5 up to M8 (different adapter), and then this adapter to go from M8 to M12. It worked perfectly.
Review: Did its job - Nice product it work

## Features

- ★Professional Accessories --- Internal Threads widely used in the automotive industry, rail vehicle industry, shipbuilding industry, household appliances, engineering machinery, commercial machinery, electronic products, engineering plastics, high-grade furniture, aluminum die-casting and other industries. - m8 x 1.25
- ★Easy to install --- Self-tapping screws are easy and quick to install, requiring only one assembly tool and almost no defects. Strong anti-vibration performance prevents looseness. Strong proof to vibration, - helicoil m6
- ★Reinforced strength --- The self-tapping screw sleeve does not need to be tapped in advance, and can be directly screwed into the specific hole reserved for the base material. For the female thread of the broken tooth, the same screw as the original can be used, which is economical and beautiful, and can be added to new products. Thread strength - m8 to
- ★Anti-vibration --- The self-tapping screw sleeve can solve the problem of thread crushing and effectively improve the bonding strength with the base metal. The contact area is large and can withstand strong tension. Lower strength materials can be used in product design. - insert
- ★Durable material --- Made of high quality carbene steel for durability. There is no clearance with the base metal, and the base material also has good air tightness if it contains bubbles. - m8 to reducer

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B07TD812KF |
| Best Sellers Rank | #234,332 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #26 in Tapping Inserts |
| Brand | Reminnbor |
| Date First Available | June 25, 2019 |
| Exterior Finish | Zinc |
| Fastener Type | Insert |
| Inside Thread Size | M8 x 1 25 |
| Item Diameter | 8 Millimeters |
| Item Weight | 0.352 ounces |
| Item model number | Reminnborn5ho6p7bg9-07 |
| Manufacturer | Reminnbor |
| Material | Carbon Steel |
| Metal Type | Carbon Steel |
| Number of Pieces | 20 |
| Size | M8 x 1.25, 10cm x 6cm |
| Thread Class | Fine |
| Thread Coverage | Fully Threaded |
| Thread Size | M 14 |
| Thread Style | Metric, Right Hand, M8 x 1.25 |
| Thread Type | Iso Metric |
| UPC | 715990696125 |

## Product Details

- **Exterior Finish:** Zinc
- **Fastener Type:** Insert
- **Material:** Carbon Steel
- **Metal Type:** Carbon Steel
- **Thread Size:** M 14

## Images

![M12 to M8 Thread Adapter - Thread Inserts 20Pcs 302 Carbon Steel Self-Tapping Thread Insert Screw Repairing Accessories(Inner M81.25 Outer M121.5: 15mm / 0.6in) - Image 1](https://m.media-amazon.com/images/I/41aBfFPi6SL.jpg)
![M12 to M8 Thread Adapter - Thread Inserts 20Pcs 302 Carbon Steel Self-Tapping Thread Insert Screw Repairing Accessories(Inner M81.25 Outer M121.5: 15mm / 0.6in) - Image 2](https://m.media-amazon.com/images/I/51+qxK8Kk3L.jpg)
![M12 to M8 Thread Adapter - Thread Inserts 20Pcs 302 Carbon Steel Self-Tapping Thread Insert Screw Repairing Accessories(Inner M81.25 Outer M121.5: 15mm / 0.6in) - Image 3](https://m.media-amazon.com/images/I/51AL4yfb7iL.jpg)
![M12 to M8 Thread Adapter - Thread Inserts 20Pcs 302 Carbon Steel Self-Tapping Thread Insert Screw Repairing Accessories(Inner M81.25 Outer M121.5: 15mm / 0.6in) - Image 4](https://m.media-amazon.com/images/I/51CO840GXcL.jpg)
![M12 to M8 Thread Adapter - Thread Inserts 20Pcs 302 Carbon Steel Self-Tapping Thread Insert Screw Repairing Accessories(Inner M81.25 Outer M121.5: 15mm / 0.6in) - Image 5](https://m.media-amazon.com/images/I/51Uu1bSZu1L.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Works as advertised
*by H***R on November 15, 2023*

I used these as part of a "step down" from the M12 female threads of 15mm DSLR rig tubing in order to attach said tubing to an IKEA table's M5 screws. M5 up to M8 (different adapter), and then this adapter to go from M8 to M12. It worked perfectly.

### ⭐⭐⭐ Did its job
*by P***Z on April 10, 2023*

Nice product it work

### ⭐⭐⭐⭐⭐ impressed
*by T***S on December 12, 2019*

worked as advertised. Used it on aluminum that kept stripping. I used Red Loctite to keep it from twisting once in all the way

## Frequently Bought Together

- M12 to M8 Thread Adapter - Thread Inserts 20Pcs 302 Carbon Steel Self-Tapping Thread Insert Screw Repairing Accessories(Inner M81.25 Outer M121.5: 15mm / 0.6in)
- BILITOOLS M5x0.8 Thread Repair Kit, HSS Drill Helicoil Repair Kit Metric
- 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 Finland*
*Store origin: FI*
*Last updated: 2026-02-21*