Masa's Mission is to be the best workholding system for Micromachining

Masa Tool, Inc. is a company founded with the mission of bringing micromachining solutions to industry. 

The Microconic™ work holding system is  a mechanically actuated micro-workholding system for use in high precision, small diameter CNC turning applications.

It's the first and only workholding system for the micro machining industry!
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What is "Microconic"?

The name "Microconic" comes from the sophisticated grinding techniques that were developed for our collets. These techniques provide the advantages of extreme accuracy, high gripping force, and high tolerance for workpiece size differentials. Each finger of the collet has a separate conical surface that acts to apply the gripping force with superb accuracy.

The Microconic system is a miniaturized, precision collet system that consists of two major components: the Microconic cartridge, which fits into your machine and transforms the work spindle for miniature work holding; and the Microconic collet, a "right-sized" collet that fits in the Microconic cartridge and is designed for superior performance with small workpieces, typically .0001" to .00015" (3 microns) concentricity, and guaranteed to be within 0.0002" (5 microns) in production use.

The advantages of the Microconic cartridge

• Simply installs like a standard collet in your machine, and is actuated like a normal collet. No modifications of the machine are necessary. Available for both draw-type collet systems (like 5c), or push-type "dead length" systems (like TF25) that are commonly used on the sub-spindle of Swiss-type CNC lathes.
• Provides precise control of collet closure, much better than the machine's standard mechanism. Delicate parts are held firmly and precisely.
• Designed with an extended nose that is solid and rigid, yet small in diameter so tooling and coolant have easy access to workpiece. This design eliminates the need for extended nose collets and is superior in concentricity, rigidity, and gripping force.
• Precision ground to ultra-precise tolerances, made of the finest high-chromium tool steel. The robust design and materials ensure reliability and longevity in the most demanding production environment, while providing extreme accuracy.