Runout: 0.0003" ; Made from alloy spring steel and hardened to HRC 44-48
Running True at High Speed turning ;Fit all R8, morse tapper, CAT BT CNC ER32 chuck or holder
Quantity: 1 set (11 PC) ; Shipping Weight: 3.50 LBS
-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