Author name: Brad B

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How to produce Hardinge 1.238-20 5C External collet Threads

A easy way to produce a special tap Thread Overview Nominal Diameter: 1.238 inches Threads per Inch (TPI): 20 Thread Type: Unified National Fine (UNF) standard, right-hand thread (typical for Hardinge 5C collet nuts) This fine thread allows for precise clamping of the collet when tightening the collet nut, ensuring the collet grips the workpiece securely without slippage. The 1.238-20 specification corresponds to the external threads on either the collet or the collet nut that fits the spindle or drawbar assembly. We use Hardinge 5 C collets in

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Microscopes

Microscope Kit for Cuttermaster Tool Grinders   This  machine mounted microscope is good for doing  small radius.  Easy to mount 

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