--- product_id: 121629123 title: "7Pcs ER11 Collet Set" brand: "sainsmart" price: "S/.201" currency: PEN in_stock: true reviews_count: 13 category: "Sain Smart" url: https://www.desertcart.pe/products/121629123-7pcs-er11-collet-set store_origin: PE region: Peru --- # 0.01mm run-out tolerance 1-7mm precision grip Hardened spring steel build 7Pcs ER11 Collet Set **Brand:** sainsmart **Price:** S/.201 **Availability:** ✅ In Stock ## Summary > 🎯 Master your CNC game with pinpoint precision! ## Quick Answers - **What is this?** 7Pcs ER11 Collet Set by sainsmart - **How much does it cost?** S/.201 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.pe](https://www.desertcart.pe/products/121629123-7pcs-er11-collet-set) ## 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 - • **Ultra-Low Run-Out:** 0.01mm tolerance means your CNC projects run smoother with minimal vibration and maximum accuracy. - • **Effortless Tool Changes:** Wrench-tightened manual lock for quick, secure collet swaps that keep your workflow sharp. - • **Versatile CNC Essential:** Ideal for milling, engraving, and lathe tools—your all-in-one workholding upgrade. - • **Engineered for Precision:** Hardened and precision ground spring steel guarantees durability and consistent performance. - • **Seamless Fit for Every Bit:** Covers 1mm to 7mm diameters, eliminating guesswork and ensuring perfect bit compatibility. ## Overview The SainSmart Genmitsu 7Pcs ER11 Collet Set offers a comprehensive 1mm to 7mm gripping range, crafted from hardened spring steel for durability. With an ultra-low 0.01mm run-out tolerance, it ensures exceptional accuracy for CNC milling, engraving, and lathe applications. Designed for professionals seeking reliable, versatile, and precise tool holding, this set streamlines your workflow with easy wrench-tightened locking. ## Description SainSmart Genmitsu 7Pcs ER11 Spring Collet Set for CNC Engraving Milling Lathe Tool 1.0mm-7.0mm : desertcart.co.uk: DIY & Tools 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 | 167,439 in DIY & Tools ( See Top 100 in DIY & Tools ) 21 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 (782) | | 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 ![7Pcs ER11 Collet Set - 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.pe/products/121629123-7pcs-er11-collet-set](https://www.desertcart.pe/products/121629123-7pcs-er11-collet-set) --- *Product available on Desertcart Peru* *Store origin: PE* *Last updated: 2026-05-13*