COLLET ER40, 5/8″ HOLE

ER40, Hole Size 5/8″.
Tool holding range 0.625″ to 0.586″.
Made of high alloy spring steel.
Hardened surface to 44-48 HRc.
Maximum gripping force with 16 jaws.
Runout precision of 0.0006″ (Concentricity of .0003″).