--- product_id: 599418785 title: "400Pcs Metric Heat Set Insert, M2 M2.5 M3 M4 M5 M6 Female Thread Knurled Nuts Assortment Kit, Brass Threaded Inserts for Plastic and 3D Printing Components (Threaded Inserts Ket)" brand: "ktehloy" price: "B/.60" currency: PAB in_stock: true reviews_count: 8 url: https://www.desertcart.com.pa/products/599418785-400pcs-metric-heat-set-insert-m2-m2-5-m3-m4 store_origin: PA region: Panama --- # Heat resistant >300°C Precision knurled threading 400 pcs versatile kit 400Pcs Metric Heat Set Insert, M2 M2.5 M3 M4 M5 M6 Female Thread Knurled Nuts Assortment Kit, Brass Threaded Inserts for Plastic and 3D Printing Components (Threaded Inserts Ket) **Brand:** ktehloy **Price:** B/.60 **Availability:** ✅ In Stock ## Summary > 🔧 Upgrade your 3D prints with brass precision – don’t get left behind! ## Quick Answers - **What is this?** 400Pcs Metric Heat Set Insert, M2 M2.5 M3 M4 M5 M6 Female Thread Knurled Nuts Assortment Kit, Brass Threaded Inserts for Plastic and 3D Printing Components (Threaded Inserts Ket) by ktehloy - **How much does it cost?** B/.60 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.com.pa](https://www.desertcart.com.pa/products/599418785-400pcs-metric-heat-set-insert-m2-m2-5-m3-m4) ## Best For - ktehloy enthusiasts ## Why This Product - Trusted ktehloy brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Effortless Installation:** Heat-set or ultrasonic methods make fitting inserts into plastics a breeze. - • **Premium Brass Durability:** Corrosion-resistant and built to withstand extreme heat up to 572°F. - • **Massive 400-Piece Assortment:** All metric sizes M2 to M6 covered for every project need. - • **Precision Engineered Threads:** 45° knurling ensures superior torque grip and zero thread slippage. - • **Universal Thermoplastic Compatibility:** Perfect for PLA, ABS, PETG, and more—ideal for 3D printing and electronics. ## Overview This 400-piece Ktehloy brass threaded insert kit offers high-quality, heat-resistant metric inserts (M2-M6) designed for plastic and 3D printed components. Featuring precision knurled threads for enhanced grip and durability, these inserts simplify assembly with easy heat or ultrasonic installation, compatible with a wide range of thermoplastics. Trusted by pros for reliable, corrosion-resistant fastening in electronics, automotive, and prototyping applications. ## Description Ketehloy is a brand focused on hardware tools, driven by the principles of 'crafted manufacturing, ultimate quality, user-centricity.' Our commitment is to offer users high-quality, cost-effective products for more efficient and convenient work completion. Ketehloy looks forward to providing you with the most sincere and top-quality service. M2 - M6 Threaded Inserts M2.5- M5 Threaded Inserts M2 Threaded Insert M3 Threaded Insert M4 Threaded Inserts M5 Threaded Inserts M6 Threaded Inserts ## Features - 【Package Content】- The package includes 400 high-quality metric threaded inserts for plastic heat-setting. With a large quantity available, it meets the needs for connecting numerous 3D printing accessories. The threaded brass inserts are approximately sized at M2 M2.5 M3 M4 M5 M6. Please ensure the nut's size matches your plastic parts effectively. - 【High-Quality Threaded Inserts】- Crafted from top-tier brass materials, these threaded inserts boast outstanding thermal conductivity, corrosion resistance, and durability. They exhibit remarkable resistance against breakage and deformation. Withstanding temperatures exceeding 300°C / 572°F, they easily endure the harsh heat generated during plastic thermal shaping processes. - 【Precision Craftsmanship】- High-precision and clear threading ensures stability and reliability, preventing thread slippage during rotation. The 45-degree angled knurling significantly enhances torque resistance and tensile strength, ensuring a stronger fastening. The embedded nuts feature guiding elements, eliminating the need for countersinking or recessing, making your work more convenient and efficient. - 【Easy to Use】- Brass threaded inserts can be installed into components of a 3D printer through heating or ultrasonic methods, or molded during the injection process. They are also suitable for circuit board assembly and the electronics field. With a common soldering iron, you can easily place them into the holes of 3D prints. - 【Wide Application】 - These inserts are designed for use with all thermoplastics, including materials like PLA, PETG, ABS, PPS, PP, and others. Whether installing them in 3D printed objects, injection-molded plastic parts, automotive plastic casings, or laptop shells, these inserts offer reliable and durable solutions. ## Technical Specifications | Specification | Value | |---------------|-------| | Asin | B0CLKDPN65 | | Best Sellers Rank | #2,391 in Industrial & Scientific (See Top 100 in Industrial & Scientific) #3 in Nut Inserts | | Brand | Ktehloy | | Color | golden | | Compatible Groove Diameter | 2 millimeters | | Customer Reviews | 4.8 4.8 out of 5 stars (578) 4.8 out of 5 stars | | Drive Style | Spline | | Exterior Finish | Brass | | Fastener Type | Insert | | Finish Types | Unfinished | | Grade Rating | Industrial | | Inside Thread Size | M2 M2.5 M3 M4 M5 M6 | | Item Diameter | 2 millimeters | | Item Dimensions | 6.85 x 3.86 x 0.67 inches | | Manufacturer | Ktehloy | | Material Type | Brass | | Maximum Shear Strength | [HIGH] | | Metal Type | Brass | | Model | Threaded Inserts Kit (400Pcs) | | Number Of Items | 400 | | Number Of Packs | 400 | | Number Of Pieces | 400 | | Part Number | ket-1 | | Screw Head Style | Flat | | Set Name | M2 M2.5 M3 M4 M5 M6 (400 Piece) | | Size Name | M2 M2.5 M3 M4 M5 M6 | | Thread Class | Fine | | Thread Coverage | Fully Threaded | | Thread Size | M2 M2.5 M3 M4 M5 M6 | | Thread Style | Right Hand | | Thread Type | Iso Metric | | Unit Count | 400 Count | | Upc | 726929215744 | ## Product Details - **Color:** golden - **Exterior Finish:** Brass - **Fastener Type:** Insert - **Material:** Brass - **Thread Size:** M2 M2.5 M3 M4 M5 M6 ## Images ![400Pcs Metric Heat Set Insert, M2 M2.5 M3 M4 M5 M6 Female Thread Knurled Nuts Assortment Kit, Brass Threaded Inserts for Plastic and 3D Printing Components (Threaded Inserts Ket) - Image 1](https://m.media-amazon.com/images/I/91HQ1Owy3rL.jpg) ## Available Options This product comes in different **Model** options. ## Customer Reviews ### ⭐⭐⭐⭐⭐ A MUST HAVE! *by on Reviewed in the United States January 24, 2025* “I couldn’t be happier with this purchase! The quality is outstanding, and it’s clear a lot of thought went into the design and functionality. This product has exceeded my expectations in every way, offering a perfect balance of performance, durability, and style.What truly sets this product apart is how well it delivers on its promises. It’s incredibly easy to use, and you can tell it’s built to last. Whether you’re looking for something reliable for everyday use or a high-performing option for special occasions, this is it.On top of all that, the value for the price is unbeatable. It feels like a premium product without the hefty price tag. If you’re on the fence about getting this, don’t hesitate—trust me, you won’t regret it. This is one of those rare finds that ticks every box!” ### ⭐⭐⭐⭐⭐ Great assortment in one kit *by on Reviewed in the United States November 8, 2025* Bought these for some 3d prints I made and they worked beautifully. Be sure to buy the heated inserter though, as well as the various sized tips for it. This make installation almost foolproof. Great quality and a good quantity in this kit. ### ⭐⭐⭐⭐⭐ Perfect *by on Reviewed in the United States July 2, 2026* Great quality, comes with adapters to use on the soldering iron, zero complaints. ## Frequently Bought Together - Ktehloy 400Pcs Threaded Inserts, M2 M2.5 M3 M4 M5 M6 Female Thread Metric Knurled Nuts Assortment Kit, Brass Heat Set Insert for Plastic and 3D Printing Components - Kadrick Metric Screw Assortment, 2000PCS Metric Bolt Assortment Kit M2 M3 M4 M5 Machine Screws with Lock & Flat Washers, Grade 10.9 Alloy Steel Hex Socket Button Head Black Screws Nuts and Bolts Kit - 3DZWMAN Vertical Heat Pressing Machine,Heat Set Insert Tool,Brass Inserts 3D Printing,Heat Set Insert tip for Thread Knurled Nut M2/M3/M4/M5/M6(1/4)/M8 --- ## 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.com.pa/products/599418785-400pcs-metric-heat-set-insert-m2-m2-5-m3-m4](https://www.desertcart.com.pa/products/599418785-400pcs-metric-heat-set-insert-m2-m2-5-m3-m4) --- *Product available on Desertcart Panama* *Store origin: PA* *Last updated: 2026-08-15*