Description
Product Overview
The CYTGOUPER Chuck Holder is engineered for ER11 collet tools, delivering exceptional stability and clamping force. Constructed from high‑grade steel, the holder maintains its shape under continuous high‑RPM machining, preventing deformation. Its extended shank design reaches deep workpieces, reducing the need for additional attachments, while the lightweight configuration ensures balanced spindle rotation in vertical milling setups. Key specifications include a C8‑ER11A‑100L bracket, 8 mm outer thread diameter on the clamp handle, and compatibility with 1 mm‑7 mm collet ranges.
Usage
Designed for industrial drilling and milling environments, this holder excels in CNC machines, bench drills, and vertical milling stations. Professionals in metalworking, prototyping, and precision engineering benefit from its quick‑change capability and robust clamping, enabling efficient tool swaps without sacrificing accuracy. Whether machining aluminum, steel, or composite materials, the holder provides consistent performance for deep‑hole drilling and fine‑detail work.

Why Choose Us
CYTGOUPER combines rigorous engineering with premium materials to deliver a tool holder that resists wear and maintains tolerance over thousands of cycles. Precision grinding eliminates imbalances, enhancing stability and reducing vibration. Our quality assurance includes strict dimensional testing and a no‑battery‑required AC power source, ensuring reliability in demanding production settings.
Key Features
- High‑strength steel construction for durability and shape integrity
- Extended shank reaches deep workpieces, minimizing extra tooling
- 8 mm clamp handle provides strong, precise clamping force
- Lightweight design maintains spindle balance in vertical mills
- Precision‑ground components reduce vibration and improve cut quality
FAQ
What collet sizes are compatible?
The holder supports ER11 collets ranging from 1 mm to 7 mm, covering most standard precision drilling applications.
Can this holder be used on both CNC and manual machines?
Yes, its universal design fits CNC routers, bench drills, and manual vertical milling machines, offering versatile installation options.
Is any additional tooling required for deep‑hole drilling?
No additional extensions are needed; the extended shank reaches deep workpieces, reducing setup time and improving accuracy.
How does the steel material affect performance?
Steel provides high rigidity and resistance to deformation at high RPMs, ensuring consistent clamping force and longer service life.
What is the warranty period?
CYTGOUPER offers a one‑year limited warranty covering manufacturing defects for peace of mind.







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