OZ (EOC) Collets

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Frequently Asked Questions

1. What are OZ (EOC) Collets? ▼

OZ Collets, also called EOC Collets, are robust tool-holding collets commonly used in light to medium-duty machining applications. They are known for a strong clamping force and are widely used in drilling and milling operations. Learn more at pactoolsusa.com.

2. How are OZ Collets different from ER or TG Collets? ▼

While ER and TG collets focus on precision or high torque, OZ collets strike a balance between both. They have fewer slots than ER collets, which makes them more rigid and durable in repetitive tool changes. Explore differences at pactoolsusa.com.

3. What does “EOC” stand for in OZ collets? ▼

EOC stands for “Extended Outside Clamping,” which refers to the way the collet exerts strong radial pressure on the tool shank from the outer diameter inward. It’s a designation often used in European machine tools. More info at pactoolsusa.com.

4. What sizes and types are available in OZ collets? ▼

Common OZ collet sizes include EOC25, EOC32, and EOC40, each supporting different shank diameters. These are often used in turret drilling machines, tapping arms, and light CNC setups. View size charts at pactoolsusa.com.

5. Are OZ Collets compatible with standard holders? ▼

No, OZ collets require dedicated OZ collet chucks or EOC-compatible toolholders. They are not interchangeable with ER or SK systems. Confirm holder compatibility at pactoolsusa.com.

6. How do I maintain OZ (EOC) Collets? ▼

Regularly clean the slots and bore to prevent chip buildup. Apply a light rust-preventive oil and avoid overtightening to maintain gripping accuracy and extend life. Maintenance tips available at pactoolsusa.com.