Iso and ER Complete Set of Collet Chuck Wrenches (ISO 20, ISO 25, ER 16, ER 20) – the ultimate precision tool for CNC lathes, milling machines, and spindle holders. Designed for fast, reliable tightening and loosening of collet chucks, this set delivers unmatched torque control and durability.
Product Overview
Crafted from high‑strength alloy steel, each wrench features a precision‑machined jaw that matches the exact ISO and ER collet dimensions. The ergonomic handle and anti‑slip grip ensure maximum torque with minimal effort, making it ideal for both professional machinists and hobbyists.
Key Features
- Complete set includes ISO 20, ISO 25, ER 16, and ER 20 wrenches
- Precision‑cut jaws for a tight, slip‑free fit on all standard collet sizes
- High‑grade alloy steel construction for long‑lasting strength and resistance to wear
- Ergonomic, anti‑slip handle for comfortable, high‑torque operation
- Designed for use on CNC lathes, milling machines, and spindle shank nuts
- Compact, lightweight set that fits easily into a toolbox or workbench drawer
Technical Specifications
Material: 4340 alloy steel (heat‑treated)
Jaw Size: ISO 20 (20 mm), ISO 25 (25 mm), ER 16 (16 mm), ER 20 (20 mm)
Handle Length: 150 mm (approx.)
Weight: 250 g (total set)
Finish: Anti‑corrosion coating for extended life
Why Choose This Set?
Whether you’re tightening a new collet chuck or performing routine maintenance, this ISO/ER wrench set offers:
- Consistent torque application for flawless machining results
- Reduced tool wear and fewer replacements, saving time and money
- Reliable performance across a range of machining environments
- Easy identification of each size thanks to clear labeling and color coding
Compatibility & Usage
Fully compatible with standard ISO and ER collet chucks used on CNC lathes, milling machines, and spindle holders. Ideal for:
- Precision machining and prototyping
- Tool holder maintenance and repair
- Spindle nut tightening and replacement
- Educational workshops and training labs
Upgrade your machining toolkit with the Iso and ER Complete Set of Collet Chuck Wrenches and experience the difference in precision, durability, and ease of use.
Price: Original price was: $ 19.30.$ 9.84Current price is: $ 9.84.

