Description
Product Overview
The uxcell ER20 6mm spring collet is engineered to provide a tight, repeatable grip on tools with a 6 mm shank, delivering the kind of precision that modern machining demands. Constructed from high‑grade stainless steel, the collet resists corrosion, wear, and the harsh environments often encountered in workshop and industrial settings. Its compact dimensions—21 mm diameter by 32 mm length—allow it to fit into tight spaces while still offering a robust clamping force. The collet’s design follows the ER20 standard, ensuring compatibility with a wide range of hand‑held and CNC spindle holders, making it a versatile addition to any toolset.
Key specifications include a clamping range of 5 mm to 6 mm, a net weight of just 41 g, and a package size of 1.77 × 1.77 × 0.87 inches, which makes storage and transport effortless. The product carries the global trade identification number 00700724785121 and UPC 700724785121, guaranteeing authenticity and traceability throughout the supply chain. With a customer rating of 4.3 out of 5 stars based on multiple reviews, the collet has proven its reliability among both hobbyists and professional machinists.
![[Product front view showing all components]](https://www.avnora.store/wp-content/uploads/2026/07/c96ee6232ec84649b5ead5ec68bb3d7f.jpg)
Usage
Designed for a variety of machining applications, the uxcell ER20 spring collet excels in CNC routing, mini‑milling, and precision drilling where a secure, repeatable hold is essential. Its stainless‑steel construction makes it suitable for environments where moisture or chemicals are present, such as in marine or automotive repair shops. The collet’s 6 mm clamping diameter is ideal for small‑diameter end mills, drill bits, and engraving tools, allowing users to achieve fine detail work without sacrificing stability.
Because the collet conforms to the ER20 standard, it can be quickly swapped into any compatible spindle or chuck, reducing downtime during tool changes. This makes it especially valuable for production runs that require frequent tool changes or for prototyping where flexibility is paramount. Whether you are a seasoned CNC operator, a hobbyist building a custom router, or a technician performing on‑site repairs, the collet’s ease of installation and reliable performance help you maintain consistent quality across all projects.
Why Choose Us
Choosing the uxcell ER20 spring collet means selecting a product that combines rigorous engineering with practical usability. Each collet undergoes a strict quality‑control process that includes dimensional verification, material testing, and functional performance checks to ensure that it meets or exceeds industry standards. The stainless‑steel material not only provides superior strength but also extends the service life of the collet, reducing the need for frequent replacements and lowering long‑term costs.
Our commitment to customer satisfaction extends beyond the point of sale. We offer responsive technical support, detailed installation guides, and a clear warranty policy that covers manufacturing defects. This comprehensive after‑sales service gives you confidence that any issues will be addressed promptly, allowing you to focus on your work rather than worrying about equipment reliability.
Furthermore, the uxcell brand is recognized for its dedication to innovation and quality across a broad range of tooling products. By integrating feedback from professional users and continuously refining our manufacturing processes, we ensure that each collet delivers the performance expected by demanding applications.
Key Features
- Stainless‑steel construction provides corrosion resistance and long‑term durability.
- Precise 6 mm clamping diameter ensures a secure grip on small‑shank tools.
- Standard ER20 design offers universal compatibility with most spindle holders.
- Lightweight (41 g) and compact size reduce machine load and improve balance.
- Responsive customer support and warranty give peace of mind after purchase.
FAQ
What tool shank sizes are compatible with this collet?
The collet is designed for shank diameters ranging from 5 mm up to 6 mm, making it ideal for small end mills, drill bits, and engraving tools.
Can this collet be used in a humid or marine environment?
Yes. The stainless‑steel material resists corrosion, allowing the collet to perform reliably in humid, salty, or chemically exposed settings.
Is the collet compatible with all ER20 holders?
It conforms to the ER20 standard, so it fits any spindle or chuck that accepts ER20 collets, providing broad compatibility across many brands.
How do I install the collet correctly?
Insert the collet into the ER20 holder, align the tool shank within the clamping range, and tighten the holder according to the manufacturer’s torque specifications. This ensures optimal grip and prevents tool slippage.
What warranty does uxcell provide for this product?
uxcell offers a one‑year limited warranty covering manufacturing defects. For any issues, contact our support team with your purchase details for assistance.
In summary, the uxcell ER20 6mm spring collet combines high‑quality materials, precise engineering, and user‑friendly design to meet the demanding needs of modern machining. Whether you are upgrading a CNC machine, outfitting a portable router, or seeking a reliable solution for hobbyist projects, this collet delivers consistent performance, durability, and value.




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