The Omega Products ER20 Collet Set is a sealed, precision toolholding solution designed for CNC routers, milling machines, drill presses, and other spindle systems. It includes 11 ER20 collets ranging from 3 mm to 13 mm, providing a versatile selection for a wide variety of machining tasks.

The set comes in a rugged protective case with foam inserts that keep each collet securely organized and protected during transport and storage.

• 11‑piece size range (3 mm to 13 mm): One comprehensive set covers the most commonly used shank sizes, enabling quick tool changes and reducing downtime across milling, drilling, and routing tasks.
• Sealed, high‑pressure design: Protected against dust, chips, and coolant intrusion to extend life and maintain reliable grip in demanding shop environments.
• Low run‑out precision: Delivers consistent clamping accuracy for cleaner finishes and repeatable results, helping to reduce tool wear and rework.

This complete ER20 collet set helps you streamline workflows by providing immediate access to a full range of collets in one durable kit. The sealed construction guards against debris, while the organized case speeds setup and transport. With secure toolholding, you can expect smoother cuts, longer tool life, and fewer interruptions—whether you’re prototyping, fabricating parts, or performing routine maintenance in professional shops or hobbyist workshops.