ER Metric Collets Set, DIN 6499B

Features:

● 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)

● Use the table (below) for selecting your replacement collets.

● ER collets all have unique length and diameter measurements