COLLET ER16, 5/16″ HOLE

ER16, Hole Size 15/16″.
Tool holding range 0.313- to 0.273.
Made of high alloy spring steel.
Hardened surface to 44-48 HRc.
Maximum gripping force with 16 jaws.
Runout precision of 0.0004″ (Concentricity of .0002″).