--- product_id: 771637488 title: "10pcs M12-1.75×2.5D Wire Thread Insert Assortment Metric,Stainless Steel Helicoil Type Thread Repair Insert" brand: "lanmaixun" price: "1127841₫" currency: VND in_stock: true url: https://www.desertcart.vn/products/771637488-10pcs-m12-1-75-2-5d-wire-thread-insert-assortment store_origin: VN region: Vietnam --- # 30mm thread length post-install M12-1.75mm precision pitch 304 stainless steel grade 4.8 10pcs M12-1.75×2.5D Wire Thread Insert Assortment Metric,Stainless Steel Helicoil Type Thread Repair Insert **Brand:** lanmaixun **Price:** 1127841₫ **Availability:** ✅ In Stock ## Summary > 🔧 Fix it once, fix it right — thread repair that lasts! ## Quick Answers - **What is this?** 10pcs M12-1.75×2.5D Wire Thread Insert Assortment Metric,Stainless Steel Helicoil Type Thread Repair Insert by lanmaixun - **How much does it cost?** 1127841₫ with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.vn](https://www.desertcart.vn/products/771637488-10pcs-m12-1-75-2-5d-wire-thread-insert-assortment) ## Best For - lanmaixun enthusiasts ## Why This Product - Trusted lanmaixun brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Anti-Loosening Safety:** Designed to prevent thread slippage, ideal for high-stress applications demanding reliability. - • **Extended Thread Length:** 30mm thread depth maximizes grip and stability in repairs. - • **Effortless Thread Repair:** Restore damaged threads quickly, avoiding costly part replacements and downtime. - • **Precision Engineered Threads:** M12-1.75mm pitch ensures flawless fit and superior fastening strength. - • **Durable Stainless Steel Build:** Crafted from premium 304 grade 4.8 stainless steel for corrosion resistance and longevity. ## Overview This 10-piece M12-1.75×2.5D wire thread insert set features high-grade 304 stainless steel helicoil inserts designed to restore and reinforce damaged metric threads. With a 30mm effective thread length and precision pitch, these inserts enhance connection strength, resist wear, and prevent loosening, making them essential for professional-grade thread repairs in aluminum, magnesium, and other low-strength materials. ## Description ★ Dimension description: for example: M3×2D(0.5) M3 means the thread diameter is 3mm, thread pitch is 0.5mm, ★ 2D indicates that the maximum length of the Helical Insert after installation is 2 times of the diameter。 ★ Strengthen the connection strength and improve the connection conditions. Low strength materials such as aluminum and magnesium shall be used for the steel wire screw sleeve. Thread slipping can be avoided. Tooth dislocation. Excellent connection performance is obtained. ★ Wear resistance. Frequently disassembled parts can greatly improve the service life of the thread. ★ Increase the bearing surface. It is used for parts that require strong coupling force but cannot increase the diameter of screw hole. ★ Anti loosening. Especially for products requiring high safety factors such as spacecraft. ★ Easy to maintain. Install the damaged screw hole into the steel wire screw sleeve and use it again after repair to avoid the possibility of workpiece damage. ★ Installation method of steel wire screw sleeve 1. Use standard drill through to drill holes first. 2. Use a special tap for tapping. Note that the tapping length should be longer than the length of the steel wire thread sleeve. 3. Clean the holes with compressed air gun. 4. Use a wrench to insert the mounting handle into the core groove, and rotate the wrench to apply pressure on the screw sleeve and rotate the thread into the bottom hole of the thread. 5. Use a punch to break the mounting handle. ★★★ The schematic diagram is manual measurement for reference only. Need larger diameter, please contact me if you need! ## Features - Material: 304 stainless steel, grade 4.8, right-hand - Metric thread, pitch： M12-1.75mm - Thread length after installation:30mm - Packing Quantity:10pcs ## Technical Specifications | Specification | Value | |---------------|-------| | Asin | B0B8XCJJW9 | | Best Sellers Rank | 697,096 in DIY & Tools (See Top 100 in DIY & Tools) 927 in Nut Inserts | | Brand Name | LanMaiXun | | Colour | M12 | | Country Of Origin | China | | Exterior Finish | Stainless Steel | | Grade Rating | Class 4.8 | | Item Dimensions | 20 x 20 x 5 centimetres | | Manufacturer | LanMaiXun | | Manufacturer Part Number | YT12x2.5D10 | | Material Type | Stainless Steel | | Metal | Stainless Steel | | Model Number | ワイヤースレッドインサート | | Number Of Pieces | 8 | | Size | M12-1.75×2.5D-10pcs | | Thread Style | Right Hand | | Unit Count | 10.0 count | ## Product Details - **Brand:** LanMaiXun - **Exterior finish:** Stainless Steel - **Item dimensions L x W x H:** 20 x 20 x 5 centimetres - **Material:** Stainless Steel - **Metal type:** Stainless Steel ## Images ![10pcs M12-1.75×2.5D Wire Thread Insert Assortment Metric,Stainless Steel Helicoil Type Thread Repair Insert - Image 1](https://m.media-amazon.com/images/I/51fxYrWZERL.jpg) ![10pcs M12-1.75×2.5D Wire Thread Insert Assortment Metric,Stainless Steel Helicoil Type Thread Repair Insert - Image 2](https://m.media-amazon.com/images/I/61dczDkT9uL.jpg) ![10pcs M12-1.75×2.5D Wire Thread Insert Assortment Metric,Stainless Steel Helicoil Type Thread Repair Insert - Image 3](https://m.media-amazon.com/images/I/61eOgevQIUL.jpg) ![10pcs M12-1.75×2.5D Wire Thread Insert Assortment Metric,Stainless Steel Helicoil Type Thread Repair Insert - Image 4](https://m.media-amazon.com/images/I/61wOPmhLljL.jpg) ![10pcs M12-1.75×2.5D Wire Thread Insert Assortment Metric,Stainless Steel Helicoil Type Thread Repair Insert - Image 5](https://m.media-amazon.com/images/I/61ASZNFvjRL.jpg) ## Available Options This product comes in different **Colour Name, Size Name** options. --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.vn/products/771637488-10pcs-m12-1-75-2-5d-wire-thread-insert-assortment](https://www.desertcart.vn/products/771637488-10pcs-m12-1-75-2-5d-wire-thread-insert-assortment) --- *Product available on Desertcart Vietnam* *Store origin: VN* *Last updated: 2026-07-02*