... 01 or 0.015mm 4.Model:2-16mm,3/32-5/8mm DIN6499B Standard of ER25 Collet1.Made of special elastic steel material2.Power ... tool series,collet series,boring heads series,etc.Sales covering the USA,Germany,Britain and regions in South Asia with ... customers.We are capable of supplying accessories with German standards,Japanese standards,American standards as well as national standards.Welcome to visit ...