--- product_id: 121629123 title: "SainSmart Genmitsu 7Pcs ER11 Spring Collet Set for CNC Engraving Milling Lathe Tool 1.0mm-7.0mm" brand: "sainsmart" price: "213.33 DT" currency: TND in_stock: true category: "Sain Smart" url: https://www.desertcart.tn/products/121629123-sainsmart-genmitsu-7pcs-er11-spring-collet-set-for-cnc-engraving store_origin: TN region: Tunisia --- # Ultra-low 0.01mm run-out tolerance 7 collets, 1-7mm precision range Hardened spring steel for durability SainSmart Genmitsu 7Pcs ER11 Spring Collet Set for CNC Engraving Milling Lathe Tool 1.0mm-7.0mm **Brand:** sainsmart **Price:** 213.33 DT **Availability:** ✅ In Stock ## Summary > ⚙️ Grip Precision, Mill Perfection – Own the Edge in CNC Craftsmanship! ## Quick Answers - **What is this?** SainSmart Genmitsu 7Pcs ER11 Spring Collet Set for CNC Engraving Milling Lathe Tool 1.0mm-7.0mm by sainsmart - **How much does it cost?** 213.33 DT with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.tn](https://www.desertcart.tn/products/121629123-sainsmart-genmitsu-7pcs-er11-spring-collet-set-for-cnc-engraving) ## Best For - sainsmart enthusiasts ## Why This Product - Trusted sainsmart brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Micron-Level Accuracy:** Run-out tolerance of just 0.01mm guarantees minimal vibration and superior engraving detail—because your work deserves perfection. - • **Seamless Compatibility:** Designed specifically for CNC milling, engraving, and lathe tools, making it the go-to choice for professional-grade workholding. - • **Effortless Tool Changes:** Wrench-tightened manual lock system offers quick, secure collet swaps to keep your workflow smooth and efficient. - • **Engineered for Endurance:** Crafted from formulated spring steel, these collets resist wear and maintain grip strength over countless projects. - • **Precision Fit for Every Job:** 7-piece ER11 collet set covers 1mm to 7mm gripping range, ensuring exact tool holding for flawless CNC milling. ## Overview The SainSmart Genmitsu 7Pcs ER11 Spring Collet Set offers a versatile 1mm to 7mm gripping range with seven precision-ground collets made from durable spring steel. Engineered for CNC milling and engraving, it delivers ultra-low 0.01mm run-out tolerance for exceptional accuracy and minimal vibration. Ideal for professionals seeking reliable, high-performance workholding tools that streamline tool changes and elevate machining quality. ## Description SainSmart Genmitsu 7Pcs ER11 Spring Collet Set for CNC Engraving Milling Lathe Tool 1.0mm-7.0mm : desertcart.co.uk: DIY & Tools ## Features - ➤7Pcs ER11 Collet Set Gripping Range: 1mm to 7mm (1mm, 2mm, 3mm, 4mm, 5mm, 6mm, 7mm) - ➤Made of formulated spring steel. - ➤Perfect for CNC milling lathe tool and work-holding engraving machine. To learn more about how to choose the right bits to meet your needs, please find the Comparison Chart (CNC Bits Buying Guide) at the Product Guides and Documents Section below. - ➤Hardened and precision ground. - ➤Run-out tolerance 0.01mm (0.0006") ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B07P98CKMR | | Best Sellers Rank | 216,974 in DIY & Tools ( See Top 100 in DIY & Tools ) 33 in Workholding Collets | | Brand | SainSmart | | Capacity | 7 Millimetres | | Compatible Devices | CNC Milling Machine, CNC Workholding | | Country of Origin | China | | Customer Reviews | 4.6 4.6 out of 5 stars (791) | | Handle Type | wrench-tightened | | Included Components | 7Pcs ER11 Spring Collet Set | | Item Diameter | 1 Millimetres | | Item Weight | 0.06 Kilograms | | Lock Type | Manual | | Manufacturer | Genmitsu | | Material | Formulated spring steel | | Model Number | ER11 | | Part Number | ER11 | | Thread Size | 1 mm, 2 mm, 3 mm, 4 mm, 5 mm, 6 mm, 7 mm | ## Product Details - **Brand:** SainSmart - **Compatible devices:** CNC Milling Machine, CNC Workholding - **Item diameter:** 1 Millimetres - **Item weight:** 0.06 Kilograms - **Material:** Formulated spring steel ## Images ![SainSmart Genmitsu 7Pcs ER11 Spring Collet Set for CNC Engraving Milling Lathe Tool 1.0mm-7.0mm - Image 1](https://m.media-amazon.com/images/I/61EnFMnjW6L.jpg) ## Frequently Bought Together - SainSmart Genmitsu 7Pcs ER11 Spring Collet Set for CNC Engraving Milling Lathe Tool 1.0mm-7.0mm - Genmitsu 40pcs End Mills CNC Router Bits, 1/8" Shank CNC Cutter Milling Carving Bit Set Including 2-Flute Flat Nose & Ball Nose End Mill, Nano Blue Coat & Titanium Coat CNC Bits, MC40A - WSOOX CNC Spoilboard Surfacing Router Bit, 1/4 Inch Shank Slab Flattening Planing Bits 1'' Cutting Diameter Carbide Planer Bit Woodworking Router Tool --- ## 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.tn/products/121629123-sainsmart-genmitsu-7pcs-er11-spring-collet-set-for-cnc-engraving](https://www.desertcart.tn/products/121629123-sainsmart-genmitsu-7pcs-er11-spring-collet-set-for-cnc-engraving) --- *Product available on Desertcart Tunisia* *Store origin: TN* *Last updated: 2026-06-21*