Themac J-3 Tool Post Grinder
Themac J-3 Kit
Themac J-3 Carrying Case

J-3

1/3 H.P., Internal & External, 7,000-36,000 rpm

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The Themac J-3 tool post grinder is built for light duty internal and external grinding with a 125 Spindle Assembly. It is recommended for lathes with 9" to 13" swing.

Specifications:

  • 1/3 H.P. Univeral Motor AC-DC 115V
  • Speed Range: 7,000 rpm to 36,000 rpm
  • Maximum Grinding Wheel Capacity: 3"
  • Machine Weight: 16 lbs.

Additional Equipment Included:

  • #721 - Extension Spindle for external and internal grinding with arbor and collar 3/8" and 2 wheel collars 5/8".
  • #190 - 1/8' Chuck Extension Spindle

Grinding Wheels (inches):

  • #235 - 3 x 3/8 x 3/8
  • #234 - 2 x 3/8 x 3/8 
  • #226 - 1 1/2 x 1/4 x 1/4 

Mounted Wheels (inches):

  • #202 - 1/4 x 1/4 x 1/8
  • #203 - 1/2 x 1/4 x 1/8

Recessed Wheels (inches):

  • #220 - 3/8 x 1/4 x 1/8
  • #223 - 3/4 x 1/4 x 1/8

Two each wheel collars 1" and 2" to fit directly on the Spindle Assembly arbor.