---
product_id: 121629123
title: "7Pcs ER11 Collet Set"
brand: "sainsmart"
price: "₨13152"
currency: LKR
in_stock: null
reviews_count: 13
category: "Sain Smart"
url: https://www.desertcart.lk/products/121629123-7pcs-er11-collet-set
store_origin: LK
region: Sri Lanka
---

# 0.01mm run-out tolerance 1-7mm precision range Hardened spring steel build 7Pcs ER11 Collet Set

**Brand:** sainsmart
**Price:** ₨13152
**Availability:** ❌ Out of Stock

## Summary

> ⚙️ Master every millimeter with precision grip power!

## Quick Answers

- **What is this?** 7Pcs ER11 Collet Set by sainsmart
- **How much does it cost?** ₨13152 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.lk](https://www.desertcart.lk/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

- • **Versatile CNC Fit:** Perfectly compatible with CNC milling, engraving, and lathe tools to expand your machining capabilities.
- • **Durable Spring Steel:** Crafted from formulated spring steel for long-lasting resilience under heavy CNC workloads.
- • **Effortless Tool Swaps:** Manual wrench-tightened lock system for quick, secure bit changes that keep your workflow smooth.
- • **Engineered for Precision:** Hardened and precision ground collets ensure ultra-tight grip and minimal run-out for flawless cuts.
- • **Seamless Bit Compatibility:** Covers every bit size from 1mm to 7mm, eliminating guesswork and imperial-metric confusion.

## Overview

The SainSmart Genmitsu 7Pcs ER11 Spring Collet Set offers a comprehensive 1mm to 7mm gripping range with ultra-precise 0.01mm run-out tolerance. Made from hardened formulated spring steel, this set is engineered for durability and flawless CNC milling, engraving, and lathe tool performance. Ideal for professionals demanding reliable, versatile, and quick tool changes.

## 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 |
| Batteries Required? | No |
| Batteries included? | No |
| Best Sellers Rank | 33,085 in DIY & Tools ( See Top 100 in DIY & Tools ) 2 in Workholding Collets |
| Capacity | 7 Millimetres |
| Customer Reviews | 4.6 4.6 out of 5 stars (774) |
| Cutting Diameter | 1 Millimetres |
| Date First Available | 28 Feb. 2019 |
| Included components | 7Pcs ER11 Spring Collet Set |
| Item Package Quantity | 1 |
| Item Weight | 60 g |
| Item model number | ER11 |
| Manufacturer | Genmitsu |
| Package Dimensions | 9.1 x 4.3 x 2.9 cm; 60 g |
| Part Number | ER11 |
| Pattern | 70ER11 |
| Style | 1.0mm-7.0mm(7pcs) |
| 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

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**Shop now:** [https://www.desertcart.lk/products/121629123-7pcs-er11-collet-set](https://www.desertcart.lk/products/121629123-7pcs-er11-collet-set)

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*Product available on Desertcart Sri Lanka*
*Store origin: LK*
*Last updated: 2026-03-12*