Vertex ER20 Collet 3 - 4mm
Due to the wide holding range of each collet, fewer collets and changes are required.
Unique self-releasing system eliminates sticking (the collets is automatically withdrawn when the collet nut is undone.
Specifications
Length 31mm
Overall diameter 21mm
Range 1 - 13mm
Increments 1mm
Part Number ER20-4