OLICNC Milling ER25 ER32 18PCS ER Spring Collets Set
1.ER Collets are applied for a variety of processing,including drilling, フライス加工,tapping&研削. 2.素材: 65Mn er collets. standard: DIN6499B 3.hardness:HRC44-48. 4. full size: ER32-3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20mm. / 21,22,23,24,25mm also available 5.Accuracy 0.015mm, 0.01んん,0.008んん,0.005んん, 0.003mm for your choice