---
title: "Hot Selling M2 M2.5 Self-Tapping Wire Threaded Inserts for Thread Enhancement"
description: "Hot Selling M2 M2.5 Self-Tapping Wire Threaded Inserts for Thread Enhancement — Thread Repair & Solid Threaded Inserts. MOQ 100 pieces, US$0.0228 – 0.024."
url: https://engineeringhardware.com/product/hot-selling-m2-m2-5-self-tapping-wire-threaded-inserts-for-thread-enhancement/
source: Engineering Hardware & Fasteners
---

# Hot Selling M2 M2.5 Self-Tapping Wire Threaded Inserts for Thread Enhancement

[![Hot Selling M2 M2.5 Self-Tapping Wire Threaded Inserts for Thread Enhancement](https://img.engineeringhardware.com/Hot-Selling-M2-M2-5-Self-Tapping-Wire-Threaded-Inserts-for-Thread-Enhancement.webp)](https://img.engineeringhardware.com/Hot-Selling-M2-M2-5-Self-Tapping-Wire-Threaded-Inserts-for-Thread-Enhancement.webp)

- Standard & made-to-drawing parts
- Checked before shipping
- Air, sea & express delivery

[Threaded Inserts & Clinch Fasteners › Thread Repair & Solid Threaded Inserts](https://engineeringhardware.com/fastener-products/threaded-inserts-clinch-fasteners/thread-repair-solid-threaded-inserts/)

Updated 2026-11-04 · [Markdown version](https://engineeringhardware.com/product/hot-selling-m2-m2-5-self-tapping-wire-threaded-inserts-for-thread-enhancement.md)

Model no. **EA-M2**

| **US$0.024**100–999 pieces | **US$0.0228**1,000+ pieces |
| --- | --- |

MOQ 100 pieces · Final price confirmed in your quote

- **Material:** Stainless Steel
- **Surface Finishing:** Zinc Plated
- **Customized:** Customized
- **Surface Treatment:** Zinc Plated
- **Thread Type:** Unc/Unf

Get a quote [WhatsApp](https://wa.me/8615999653684?text=Hi%20Engineering%20Hardware%20%26amp%3B%20Fasteners%2C%20I%20would%20like%20a%20quote%20for%3A%20Hot%20Selling%20M2%20M2.5%20Self-Tapping%20Wire%20Threaded%20Inserts%20for%20Thread%20Enhancement%20%E2%80%94%20https%3A%2F%2Fengineeringhardware.com%2Fproduct%2Fhot-selling-m2-m2-5-self-tapping-wire-threaded-inserts-for-thread-enhancement%2F)

Specifications are as listed for this product. Engineering Hardware & Fasteners confirms ratings, mating parts, compatibility, packing and lead time with you before you order.

## Specifications

| Customization | Available |
| --- | --- |
| Material | Stainless Steel |
| Type | Common |
| Model NO. | EA-M2 |
| Usage | Building, Machinery, Medical, Rocket, Shipping, Chemical, High Speed Rail |
| Rotation Direction | Right Rotation |
| Surface Finishing | Zinc Plated |
| Certification | ISO, RoHS, BV Report |
| Customized | Customized |
| Sample | Available |
| MOQ | 10PCS |
| Other Product Name | Self Tapping Thread Inserts |
| Certificate | ISO9001:2015 |
| Other Certificate | IATF16949:2016 |
| Surface Treatment | Zinc Plated |
| Thread Type | Unc/Unf |
| Warranty | 6 Months |
| Transport Package | Inner Plastic Bags+Outer Carton Case |
| Specification | From M2 to M30 |
| Origin | China |
| HS Code | 7318190090 |
| Production Capacity | 500000PCS/Week |
| Unit | mm |
| Package | Usually finished products will be put into plastic bags and outer with carton cases. |
| Delivery time | Stocked goods can be delivered out the same day we received the order. |
| https | //eliteaviation.en.made-in-china.com. |
| Category | [Thread Repair & Solid Threaded Inserts](https://engineeringhardware.com/fastener-products/threaded-inserts-clinch-fasteners/thread-repair-solid-threaded-inserts/) |

## Technical parameters

| 302 Type Self Tapping Thread Insert(Specification Table 1) Unit:mm |  |  |  |  |  |  |  |  |
| --- | --- | --- | --- | --- | --- | --- | --- | --- |
| Internal Thread | Length |  | Reference drilling diameter | Minimum drilling depth |  |  |  |  |
| Metric | UNC | UNF | External Thread | Plastic | Aluminum alloy | Cast iron |  |  |
| M2×0.4 |  |  | 6 | M4.5×0.5 | 4.0~4.1 | 4.1~4.2 | 4.2~4.3 | 8 |
| M2.5×0.45 | 2-56 |  | 6 | M4.5×0.5 | 4.0~4.1 | 4.1~4.2 | 4.2~4.3 | 8 |
| M3×0.5 | 4-40 | 4-48 | 6 | M5×0.5 | 4.5~4.6 | 4.6~4.7 | 4.7~4.8 | 8 |
| M3.5×0.6 | 6-32 | 6-40 | 8 | M6×0.75 | 5.3~5.4 | 5.5~5.6 | 5.6~5.7 | 10 |
| M4×0.7 | 8-32 | 8-36 | 8 | M6.5×0.75 | 5.8~5.9 | 6.0~6.1 | 6.1~6.2 | 10 |
| M5×0.8 | 10-24 | 10-32 | 10 | M8×1.0 | 7.1~7.2 | 7.3~7.5 | 7.5~7.6 | 13 |
| M6×1.0 |  |  | 12 | M9×1.0 | 8.1~8.2 | 8.3~8.5 | 8.5~8.6 | 15 |
| M6×1.0 | 1/4-20 | 37009 | 14 | M10×1.5 | 9.0~9.2 | 9.2~9.3 | 9.3~94 | 17 |
| M8×1.25 | 5/16-18 | 5/16-24 | 15 | M12×1.5 | 10.8~11.0 | 11~11.2 | 11.2~11.4 | 18 |
| M10×1.5 | 3/8-16 | 37857 | 18 | M14×1.5 | 12.8~13.0 | 13.0~13.3 | 13.2~13.4 | 22 |
| M12×1.75 | 7/16-14 | 7/16-20 | 22 | M16×1.5 | 14.8~15.0 | 15.0~15.3 | 15.2~15.4 | 26 |
| M14×2.0 |  |  | 24 | M18×1.5 | 16.8~17.0 | 17.0~17.3 | 17.2~17.4 | 28 |
| M14×2.0 | 1/2-13 | 1/2-20 | 22 | M18×1.5 | 16.8~17.0 | 17.0~17.3 | 17.2~17.4 | 28 |
| M16×2.0 | 5/8-11 | 5/8-18 | 22 | M20×1.5 | 18.8~19.0 | 19.0~19.3 | 19.2~19.4 | 27 |
| M18×2.5 |  |  | 24 | M22×1.5 | 20.8~21.0 | 21.0~21.3 | 21.2~21.4 | 29 |
| M20×2.5 |  |  | 27 | M26×1.5 | 24.8~25.0 | 25.0~25.3 | 25.2~25.4 | 32 |
| M22×2.5 |  |  | 30 | M26×1.5 | 24.8~25.0 | 25.0~25.3 | 25.2~25.4 | 36 |
| M24×3.0 |  |  | 30 | M30×1.5 | 28.8~29.0 | 29.0~29.3 | 29.2~29.4 | 36 |
| M27×3.0 |  |  | 30 | M34×1.5 | 32.8~33.0 | 33.0~33.2 | 33.2~33.4 | 36 |
| M30×3.5 |  |  | 40 | M36×1.5 | 34.8~35.0 | 35.0~35.2 | 35.2~35.4 | 46 |

| 307/308Type Self Tapping Thread Insert(Specification Table 1) Unit:mm |  |  |  |  |  |  |
| --- | --- | --- | --- | --- | --- | --- |
| Type | Internal Thread | Length | External Thread | Reference drilling diameter | Minimum drilling depth |  |
| Aluminum alloy | Cast iron |  |  |  |  |  |
| 307 | M3×0.5 | 4 | M5×0.6 | 4.6~4.7 | 4.7~4.8 | 6 |
| 308 | 6 | 8 |  |  |  |  |
| 307 | M3.5×0.6 | 5 | M6×0.8 | 5.6~5.7 | 5.7~5.8 | 7 |
| 308 | 8 | 10 |  |  |  |  |
| 308 |  |  |  |  |  |  |
| 307 | M4×0.7 | 6 | M6.5×0.6 | 6.0~6.1 | 6.1~6.2 | 8 |
| 308 | 8 | 10 |  |  |  |  |
| 307 | M5×0.8 | 7 | M8×1 | 7.4~7.5 | 7.6~7.7 | 9 |
| 308 | 10 | 13 |  |  |  |  |
| 307 | M6×1 | 8 | M10×1.25 | 9.3~9.4 | 9.5~9.6 | 10 |
| 308 | 12 | 15 |  |  |  |  |
| 307 | M8×1.25 | 9 | M12×1.5 | 11.1~11.3 | 11.3~11 s | 11 |
| 308 | 14 | 17 |  |  |  |  |
| 307 | M10×1.5 | 10 | M14×1.5 | 13.1~133 | 13.3~135 | 13 |
| 308 | 18 | 22 |  |  |  |  |
| 307 | M12×1.75 | 12 | M16×1.75 | 15.0~15.3 | 15.3~15.5 | 15 |
| 308 | 22 | 26 |  |  |  |  |
| 307 | M14×2 | 14 | M18×2 | 17.0~17.2 | 17.3~17.5 | 17 |
| 308 | 24 | 28 |  |  |  |  |
| 307 | M16×2 | 14 | M20×2 | 19.0~19 | 19.3~19.5 | 17 |
| 308 | 24 | 28 |  |  |  |  |

## Description

Hot Selling M2 M2.5 Self-Tapping Wire Threaded Inserts for Thread Enhancement is part of our thread repair & solid threaded inserts range (Threaded Inserts & Clinch Fasteners).

### Key details

- **Type:** Common
- **Material:** Stainless Steel
- **Surface Treatment:** Zinc Plated
- **Certification:** ISO, RoHS, BV Report
- **Rotation Direction:** Right Rotation
- **Surface Finishing:** Zinc Plated
- **Other Product Name:** Self Tapping Thread Inserts
- **Certificate:** ISO9001:2015

Available configurations include material, surface finishing, customized, surface treatment and thread type. Custom sizes, threads, materials, grades, platings and packaging can be quoted on request.

### Ordering through Engineering Hardware & Fasteners

Minimum order is 100 pieces at US$0.0228 – 0.024 per piece. Send one inquiry with the part number, quantity and destination, and Engineering Hardware & Fasteners confirms size, thread, material, grade, finish, price, lead time and shipping, checks the goods before dispatch and ships them to you.

## Frequently asked questions

### What is the minimum order quantity (MOQ) for Hot Selling M2 M2.5 Self-Tapping Wire Threaded Inserts for Thread Enhancement?

The listed minimum order is 100 pieces, at US$0.0228 – 0.024 per piece. Smaller trial quantities or samples can be requested in your inquiry; Engineering Hardware & Fasteners confirms what is possible for your size.

### How does the price change with quantity?

Volume pricing: US$0.024 for 100–999 pieces; US$0.0228 for 1,000+ pieces. Final prices depend on size, material, finish and packing and are confirmed in your quote.

### What are the main specifications of Hot Selling M2 M2.5 Self-Tapping Wire Threaded Inserts for Thread Enhancement?

Type: Common; Material: Stainless Steel; Surface Treatment: Zinc Plated; Certification: ISO, RoHS, BV Report; Rotation Direction: Right Rotation; Surface Finishing: Zinc Plated. The full specification table and any technical parameter tables are listed on this page.

### Can this product be customized (OEM)?

Listed configurations include material, surface finishing, customized, surface treatment and thread type. Size, thread, length, material and grade, surface finish, head marking, packaging and labels can be quoted to your specification or drawing.

### What is the lead time and how is it shipped?

Lead time depends on quantity and customization and is confirmed in your quote. Engineering Hardware & Fasteners checks the goods before dispatch and ships by express, air or sea; mixed orders can be consolidated in one shipment.

### Which other thread repair & solid threaded inserts are available?

The Thread Repair & Solid Threaded Inserts category lists 961 products in different sizes, materials and finishes: [https://engineeringhardware.com/fastener-products/threaded-inserts-clinch-fasteners/thread-repair-solid-threaded-inserts/](https://engineeringhardware.com/fastener-products/threaded-inserts-clinch-fasteners/thread-repair-solid-threaded-inserts/)

How we work

## Specified, checked and shipped by Engineering Hardware & Fasteners

Engineering Hardware & Fasteners supplies bolts, screws, nuts, washers, anchors, rivets and fastening hardware to equipment makers, contractors, distributors and maintenance teams. Orders go through one controlled process: size, thread, material, grade and finish confirmed, samples approved, dimensions, thread fit and plating checked before packing, then packed for export — standard or made to drawing.

- DIN, ISO, ASTM, ANSI, JIS and GB standard parts
- Non-standard parts made to your drawing
- Dimensions, thread gauges and plating checked before packing
- Export cartons and pallets, consolidated mixed orders
- Samples available for approval before mass production

[![Production floor](https://engineeringhardware.com/wp-content/uploads/2026/11/factory-01-production-floor-1024x683.webp)](https://engineeringhardware.com/wp-content/uploads/2026/11/factory-01-production-floor.webp)

Production floor

[![Inspection bench](https://engineeringhardware.com/wp-content/uploads/2026/11/factory-02-inspection-bench-768x512.webp)](https://engineeringhardware.com/wp-content/uploads/2026/11/factory-02-inspection-bench.webp)

Inspection bench

[![Sorting & packing](https://engineeringhardware.com/wp-content/uploads/2026/11/factory-03-sorting-and-packing-768x512.webp)](https://engineeringhardware.com/wp-content/uploads/2026/11/factory-03-sorting-and-packing.webp)

Sorting & packing

[![Parts warehouse](https://engineeringhardware.com/wp-content/uploads/2026/11/factory-04-parts-warehouse-768x512.webp)](https://engineeringhardware.com/wp-content/uploads/2026/11/factory-04-parts-warehouse.webp)

Parts warehouse

[![Sample review](https://engineeringhardware.com/wp-content/uploads/2026/11/office-02-office-sample-review-768x512.webp)](https://engineeringhardware.com/wp-content/uploads/2026/11/office-02-office-sample-review.webp)

Sample review

[![Sales office](https://engineeringhardware.com/wp-content/uploads/2026/11/office-01-daily-sales-office-768x512.webp)](https://engineeringhardware.com/wp-content/uploads/2026/11/office-01-daily-sales-office.webp)

Sales office

[More about us →](https://engineeringhardware.com/about/) · [Request a sample or custom quote →](https://engineeringhardware.com/contact/)

## Request a quote for this product

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