COLLET ER20, 5/32″ HOLE

ER20, Hole Size 5/32″.
Tool holding range 0.156″ to 0.117″.
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″).