Description
Acrow ER401514 – ER40 Spring Collet (Ø15–14 mm Range, DIN6499) precision collet chuck ER25 ISO30 NT30 shank drawbar thread M12 cnc metal work manufacturing industrial supplies The ISR CS319 specimen set is 10208 ER25 NT30 M12 Drawbar Precision 6 pc Spring Collet Set Model ST20 WER20 125 The ISR CS319 specimen set is commonly used in machining workshops this kit is perfect for protecting tapped holes from wear and stripping while maintaining heat resistance up to 800°F