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Howard Lewis

08/07/2021 14:56:59

7227 forum posts
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2MT direct fit collets are available, with 3/8 BSW or M10 drawbar tappings, depending on whether Imperial or metric collets

For a LONG time I have used Metric direct collets with 3/8 BSW tappings...

The 2 MT Myford Mandrel will accept upto 1/2" so a 3/8 BSW drawbar will ,pass through.

With the advent of M12 tappings, such a drawbar should still pass through.

If the DW is smaller, then the collets, or collet chuck will, need to, be bushed from M12 down to 5/16 preferably BSF to use a finer and shallower thread, or M8.

Bushing 3/8 BSW down to 5/16 is not really possible because 5/16 is tapping size for 3/8 BSW.

But nothing to stop the drawbar being 1/4 BSF. That can exert more than enough force to cause problems freeing a 2MT afterwards!

Howard

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