Shars 1/8" - 1" by 16ths ER40 Collet Series Set 12 PCS 0.0003 TIR S[
Fit all R8, morse tapper, CAT, BT, CNC, ER40, chuck or holder. We carry high quality collets, with certificate in each set. 0.008mm≈0.0003". Runout is.0003". Made from alloy spring steel and hardened to HRC 44-48.