The ER 25 / 430 E collet from Promat is a precise tool manufactured according to DIN 6499-B, making it ideal for use in ER-type collet chucks. It provides reliable clamping force over the entire clamping length, ensuring high flexibility in application. The collet is designed to be clamped on the guiding face as well, simplifying handling further. With a runout and repeat accuracy of just 5 µm, it delivers excellent performance for precise machining processes. The collet is designed for a clamping diameter of 7 mm and offers a clamping range of nominal size minus 1.0 mm, making it an indispensable accessory for machines and workshops.

• Manufactured according to DIN 6499-B for high precision
• Runout and repeat accuracy of 5 µm
• Suitable for ER-type collet chucks.