COLLET ER-40 (5-4MM)

It is a precision ER collet designed to hold 4–5 mm diameter cutting tools securely in CNC and NC machines for accurate machining.

Uses:

• Used to hold 4–5 mm drills and end mills firmly

• Suitable for CNC milling and NC lathe operations

• Provides strong clamping with minimal runout

• Ideal for precision machining of metal components

• Commonly used with ER-40 collet chucks in CNC tool holders