Product Review

Metric ER Collet 2mm to 13mm by 1mm ER-20 Collet 12 Pcs/Set in Fitted Strong Aluminium Box, #3350-0583 Size from 2 mm to 13 mm by 1 mm Total 12 ps/set Features: Range of 0.039'' Made from alloy spring steel and hardened to HRC 44-48 All collets are checked its runout individually on 4 points on a testing rod For size 3.0mm and larger the runout is 0.0003'' (0.008mm) Under size 3.0mm the runout is 0.00059" (0.015mm) In fitted strong Aluminium Box