NIKKEN Mini Mini Chuck
The Mini-Mini is simply the most effective product for reduced diameter machining or components and applications where confined access or tight spaces can prove problematic.
Designed as a mechanical alternative to both hydraulic and shrink-fit products it features an 8 degree collet and no external nut.
This allows the chuck to be not only extremely compact but also provide gripping capabilities and performance characteristics surpassing those of the competitors.
The Mini-Mini is a balanced system offering superior performance and accuracy at up to 30,000rpm (G2.5).
Three sizes are available:
- MMC4 = Outside Diameter 15mm
- MMC8 = Outside Diameter 20mm
- MMC12 = Outside Diameter 30mm
The collet, because the design features no external nut, is actually drawn from the rear using a 90 degree bevel gear system which allows tightening from the side of the holder. This design negates the requirement to remove the pullstud to actuate the clamping as featured on other similar systems.
Available as standard on Nikken 2-Lock for both BT and DIN tapers the Mini Mini Chuck also offers the benefits of dual contact for both flange and taper on suitable machine tools (2-Lock is also fully compatible with standard BT/DIN type spindles). 2-Lock increases the contact area considerably from around 44.4mm to 63mm (BT40) and also, as with all our NC tooling products, provides users with over 80% taper contact as standard. Additional standard options of course also include HSK tapers.





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