Kinathukidavu, India, 641032
ER20 Collet system also known as RD20 Collet system are standardized and manufactured as per DIN 6499 standard guidelines and are truly interchangeable Collapse per collect :1 mm Capacity per set :2 - 13 mm Odd Sizes : 0.5 - 13 mm Standard / High Precision / Ultra Precision - Metric and Inches also available On request we can support 0.5mm incremental range collets.