8mm ER32 Collet

SKU 202-6737

8mm ER32 Collet

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SKU 202-6737
Collet Category ER Collets
collet series ER32
collet size 8.0MM
collet size range .276-.315
TIR (inch) 0.0003
Full Details

Product Spotlight


  • Made from alloy spring steel and hardened to HRC 44-48
  • All fractional size is true imperial size, not a metric conversion size
  • All collets are checked its runout individually on 4 contact points by a high tolerance bench marked testing rod
  • On size 1/8" and larger the runout is .0003"; under size 1/8 the runout is .00059"
  • Each size of ER32 collet has collapsing range of .039" (1 mm); the size of the collet is the largest size it can hold and able to hold anything smaller within the collapsing range
  • Conform to DIN6499B

This collet size is true fractional size, not a metric converting size and the surface on this collet has been specially treated to increase its tool life.  Runout is .0003".