What material are inner collets made from, and where are they used?

Pactools ER collets are made from high-grade spring steel, offering excellent hardness and flexibility. They are commonly used in milling, drilling, and tapping operations for precise tool holding.

How do I choose the correct inner collet size?

Select a collet size that matches your tool shank within a ±0.5 mm tolerance. Using a collet close to the shank diameter ensures a secure and accurate grip.

What is the lifespan of a collet, and how can I detect wear?

Collets typically last over 1000 cycles with regular use. Signs of wear include tool slippage or poor surface finish—if noticed, it's time to replace the collet.