Mega N Series
The 40,000rpm Mega N and Mega S have the following characteristics:

0.5mm to 6mm (S) or 0.25mm to 20mm (N) Integral chuck or extension. Choice of jet collet or sealed nut for directing coolant. Bearing in nut eliminates axial twist. The JNBC Jet Collet option directs coolant at the cutting tool via slits in the collet, and is suitable for 3mm to 20mm Ø shanks.

The Perfect Seal Nut option directs the coolant through the centre of the tool, and is also suitable for 3mm to 20mm Ø shanks.

BIG Daishowa specialise in high accuracy mechanical compression chucks and supply many other special toolholding solutions.

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