Sealey MT3-M12 Collet

This 4mm milling collet is the smallest size in the range, perfectly suited for precision work with fine cutting tools and delicate milling operations. The compact 4mm diameter makes it ideal for detailed work, engraving applications, and when working with smaller workpieces that require intricate machining. Designed exclusively for the Sealey SM2502 mini drilling/milling machine, this collet provides secure tool retention and accurate positioning throughout your milling operations. The high-quality construction ensures consistent performance and reliable tool clamping, even during extended use.