4mm Clamp Diameter Straight Spring Collet for Milling Chuck

Specifications:

Descriptions:

• The collet can be squeezed against a matching taper such that its inner surface contracts to a slightly smaller diameter, squeezing the tool or workpiece whose secure holding is desired.
• Spring collet is highly accurate spring action collets, hardened and ground, used for boring, milling, drilling, etc.
• Collet must be assembled into the clamping nut before inserting into the chuck.