--- product_id: 121629123 title: "Genmitsu 7Pcs ER11 Spring Collet Set for CNC Engraving Milling Lathe Tool 1.0mm-7.0mm" brand: "sainsmart" price: "7896 kr" currency: ISK in_stock: true reviews_count: 13 category: "Sain Smart" url: https://www.desertcart.is/products/121629123-genmitsu-7pcs-er11-spring-collet-set-for-cnc-engraving-milling store_origin: IS region: Iceland --- # 1-7mm precision grip 0.01mm run-out tolerance Formulated spring steel durability Genmitsu 7Pcs ER11 Spring Collet Set for CNC Engraving Milling Lathe Tool 1.0mm-7.0mm **Brand:** sainsmart **Price:** 7896 kr **Availability:** ✅ In Stock ## Summary > ⚙️ Master your CNC game with precision that never quits! ## Quick Answers - **What is this?** Genmitsu 7Pcs ER11 Spring Collet Set for CNC Engraving Milling Lathe Tool 1.0mm-7.0mm by sainsmart - **How much does it cost?** 7896 kr with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.is](https://www.desertcart.is/products/121629123-genmitsu-7pcs-er11-spring-collet-set-for-cnc-engraving-milling) ## 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 - • **Built to Last:** Crafted from formulated spring steel for long-lasting resilience - • **Unmatched Accuracy:** Run-out tolerance as tight as 0.01mm ensures ultra-smooth milling - • **Effortless Tool Swaps:** Seven collets included to handle all your bit sizes without hassle - • **Versatile Compatibility:** Perfectly pairs with CNC milling, lathe, and engraving machines - • **Precision Fit for Every Bit:** Covers 1mm to 7mm diameters for flawless CNC tool holding ## Overview The SainSmart Genmitsu 7Pcs ER11 Spring Collet Set offers a comprehensive 1mm to 7mm gripping range, crafted from durable formulated spring steel. Engineered for CNC milling, lathe, and engraving machines, it delivers exceptional precision with a minimal 0.01mm run-out tolerance, ensuring smooth, accurate tool holding for professional-grade results. ## Description Product Description Genmitsu 7Pcs ER11 Spring Collet Set Gripping Range: 1mm to 7mm (1mm, 2mm, 3mm, 4mm, 5mm, 6mm, 7mm) Perfect for CNC milling lathe tool and work-holding engraving machine. Hardened and precision ground. Specification Material: formulated spring steel Gripping Range: 1mm to 7mm Run-out tolerance: 0.01mm (0.0006") Review: Nice - as described brilliant product. Review: A great solution for your odd sized bits! - Fed up with CNC bits confusingly being listed in either imperial fractions or millimetres? These ER11 collets cover every bit diameter from 1mm - 7mm. (Or 0.039 inch to 0.276 inch if you prefer!) A really useful addition to the CNC toolbox! ## 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 | 82,133 in DIY & Tools ( See Top 100 in DIY & Tools ) 9 in Workholding Collets | | Brand | SainSmart | | Capacity | 7 millimetres | | Compatible Devices | CNC Milling Machine, CNC Workholding | | Compatible devices | CNC Milling Machine, CNC Workholding | | Country of Origin | China | | Customer Reviews | 4.6 out of 5 stars 807 Reviews | | Handle Type | wrench-tightened | | Included Components | 7Pcs ER11 Spring Collet Set | | Item Diameter | 1 Millimetres | | Item Weight | 0.06 Kilograms | | Item diameter | 1 Millimetres | | Item weight | 0.06 Kilograms | | Lock Type | Manual | | Manufacturer | Genmitsu | | Material | Formulated spring steel | | Model Number | ER11 | | Number of Items | 7 | | Part Number | ER11 | | Thread Size | 1 mm, 2 mm, 3 mm, 4 mm, 5 mm, 6 mm, 7 mm | | 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 ![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) ## Customer Reviews ### ⭐⭐⭐⭐⭐ Nice *by A***R on 26 January 2026* as described brilliant product. ### ⭐⭐⭐⭐⭐ A great solution for your odd sized bits! *by A***O on 8 September 2025* Fed up with CNC bits confusingly being listed in either imperial fractions or millimetres? These ER11 collets cover every bit diameter from 1mm - 7mm. (Or 0.039 inch to 0.276 inch if you prefer!) A really useful addition to the CNC toolbox! ### ⭐⭐⭐⭐ Just the job. *by D***R on 3 January 2023* If you need some collets for your cnc these are just the job. Well made and look like they will last forever. If you don’t need some of these why are you reading this 😂. ## 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.is/products/121629123-genmitsu-7pcs-er11-spring-collet-set-for-cnc-engraving-milling](https://www.desertcart.is/products/121629123-genmitsu-7pcs-er11-spring-collet-set-for-cnc-engraving-milling) --- *Product available on Desertcart Iceland* *Store origin: IS* *Last updated: 2026-08-17*