--- product_id: 370556039 title: "14pcs ER20 Spring Collet Set for CNC Engraving Machine and Milling Lathe Tool Workholding Engraving Collets (1/16\",3/32\",1/8\",5/32\",3/16\",7/32\",1/4\",9/32\",5/16\",11/32\",3/8\",13/32\",7/16\",1/2\")" brand: "silivn" price: "$145.55" currency: USD in_stock: true category: "Silivn" url: https://www.desertcart.ec/products/370556039-14pcs-er20-spring-collet-set-for-cnc-engraving-machine-milling store_origin: EC region: Ecuador --- # 14 precision collet sizes 1/16"-1/2" Run-out tolerance <0.008mm for accuracy High-grade spring steel durability 14pcs ER20 Spring Collet Set for CNC Engraving Machine and Milling Lathe Tool Workholding Engraving Collets (1/16",3/32",1/8",5/32",3/16",7/32",1/4",9/32",5/16",11/32",3/8",13/32",7/16",1/2") **Brand:** silivn **Price:** $145.55 **Availability:** ✅ In Stock ## Summary > 🔧 Elevate your CNC game with precision that commands respect! ## Quick Answers - **What is this?** 14pcs ER20 Spring Collet Set for CNC Engraving Machine and Milling Lathe Tool Workholding Engraving Collets (1/16",3/32",1/8",5/32",3/16",7/32",1/4",9/32",5/16",11/32",3/8",13/32",7/16",1/2") by silivn - **How much does it cost?** $145.55 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.ec](https://www.desertcart.ec/products/370556039-14pcs-er20-spring-collet-set-for-cnc-engraving-machine-milling) ## Best For - silivn enthusiasts ## Why This Product - Trusted silivn brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Trusted Support:** Backed by 12-month satisfaction service, ensuring your investment is protected and your workflow uninterrupted. - • **Complete Size Range:** 14 versatile ER20 collets cover every milling and engraving need from 1/16" to 1/2"—never compromise on fit. - • **Premium Spring Steel:** Crafted from high-quality spring steel for unmatched rigidity and long-lasting performance under heavy CNC workloads. - • **Precision Engineering:** Run-out tolerance under 0.008mm ensures ultra-precise tool holding, minimizing vibration and maximizing finish quality. - • **User-Friendly Organization:** Individually labeled collets in a sleek set make quick size identification effortless—stay efficient and focused on your craft. ## Overview The SILIVN 14pcs ER20 Spring Collet Set offers a comprehensive range of sizes from 1/16" to 1/2", made from premium spring steel for durability and precision. With a run-out tolerance below 0.008mm, these collets deliver exceptional accuracy for milling, engraving, and lathe applications. Each collet is clearly labeled for quick selection, supported by a 12-month customer satisfaction guarantee, making it the essential upgrade for professional CNC toolholding. ## Description 14PCS ER20 Spring Collet Set - Durable and practical. - Special angled slots increase rigidity. - Protects tool holder from contaminants. - Better overall balance of tool holder assembly. - Use with any standard ER collet chucks for coolant-thru tool applications. Specification Model: ER20 Material:Spring Steel Weight：About 567g Upper Diameter: 28 mm Bottom Diameter: 25 mm Height: 34 mm Run-Out Tolerance: <0.008mm Gripping Range: 1/16"-1/2" Package include: 14 x ER20 Collets ## Features - Versatile collet size - The ER20 spring collet set contains these size: 1/16",3/32",1/8",5/32",3/16",7/32"1/4",9/32",5/16",11/32",3/8",13/32",7/16",1/2" - Wide application - ER20 collet set is suitable for boring, milling, drilling, tapping, engraving, CNC, spindle machines, and other processing - Premium Quality - These spring collet sets are made of high quality spring steel. They are stable and practical in performance. - Easy To differentiate - Each collet is individually labeled and packaged, making it easy to quickly differentiate between them. This ensures hassle-free access to the right tool for the job. - 100% Satisfaction Service: Our customer-centric approach ensures 12-month satisfaction customer service. So, if you have any issues with our products, our dedicated customer service team is always ready to help you with a smile! ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B07DBWXTGS | | ASIN | B07DBWXTGS | | Brand Name | SILIVN | | Capacity | 0.5 Inches | | Compatible Devices | Lathe | | Customer Reviews | 4.4 4.4 out of 5 stars (395) | | Customer reviews | 4.4 4.4 out of 5 stars (395) | | Date First Available | 18 August 2018 | | Handle Type | keyed | | Included Components | 1/4-Inch Collet | | Is Discontinued By Manufacturer | No | | Item Diameter | 28 Millimeters | | Item Weight | 0.55 Kilograms | | Item model number | ER20 | | Lock Type | Self Centering | | Manufacturer | SILIVN | | Manufacturer | SILIVN | | Manufacturer Part Number | SP-TK005 | | Material Type | Metal | | Model Number | ER20 | | Package Dimensions | 24 x 15.09 x 4.19 cm; 549 g | | Unit Count | 1.0 Count | ## Product Details - **Brand:** SILIVN - **Compatible devices:** Lathe - **Item diameter:** 28 Millimeters - **Item weight:** 0.55 Kilograms - **Material:** Metal ## Images ![14pcs ER20 Spring Collet Set for CNC Engraving Machine and Milling Lathe Tool Workholding Engraving Collets (1/16",3/32",1/8",5/32",3/16",7/32",1/4",9/32",5/16",11/32",3/8",13/32",7/16",1/2") - Image 1](https://m.media-amazon.com/images/I/7157CNzmODL.jpg) ![14pcs ER20 Spring Collet Set for CNC Engraving Machine and Milling Lathe Tool Workholding Engraving Collets (1/16",3/32",1/8",5/32",3/16",7/32",1/4",9/32",5/16",11/32",3/8",13/32",7/16",1/2") - Image 2](https://m.media-amazon.com/images/I/61ayr0+OeoL.jpg) ![14pcs ER20 Spring Collet Set for CNC Engraving Machine and Milling Lathe Tool Workholding Engraving Collets (1/16",3/32",1/8",5/32",3/16",7/32",1/4",9/32",5/16",11/32",3/8",13/32",7/16",1/2") - Image 3](https://m.media-amazon.com/images/I/61BXMenmvPL.jpg) ![14pcs ER20 Spring Collet Set for CNC Engraving Machine and Milling Lathe Tool Workholding Engraving Collets (1/16",3/32",1/8",5/32",3/16",7/32",1/4",9/32",5/16",11/32",3/8",13/32",7/16",1/2") - Image 4](https://m.media-amazon.com/images/I/71O5nZJBdCL.jpg) ![14pcs ER20 Spring Collet Set for CNC Engraving Machine and Milling Lathe Tool Workholding Engraving Collets (1/16",3/32",1/8",5/32",3/16",7/32",1/4",9/32",5/16",11/32",3/8",13/32",7/16",1/2") - Image 5](https://m.media-amazon.com/images/I/61NW1qUDPkL.jpg) ## Available Options This product comes in different **Model** 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.ec/products/370556039-14pcs-er20-spring-collet-set-for-cnc-engraving-machine-milling](https://www.desertcart.ec/products/370556039-14pcs-er20-spring-collet-set-for-cnc-engraving-machine-milling) --- *Product available on Desertcart Ecuador* *Store origin: EC* *Last updated: 2026-07-05*