Themac J-45 Tool Post Grinder
Themac J-45 Kit
Themac J-45 Carrying Case

J-45

1/2 H.P., Internal & External, 4,200-42,000 rpm

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The J-45 features a 2025 Spindle Assembly and is ideal for medium duty internal and external grinding. This grinder is recommended for lathes with a 12" to 15" swing.

Specifications:

  • 1/2 H.P. Univeral Motor AC-DC 115V
  • Speed Range: 4,200 rpm to 42,000 rpm
  • Maximum Grinding Wheel Capacity: 5"
  • Machine Weight: 20 lbs.

Additional Equipment Included:

  • #2067 - Extension Spindle for external grinding with 2 each wheel collars 1" and 2".
  • #2020 - Extension Spindle for internal grinding with arbor and 2 wheel collars 3/4".
  • #2097 - 1/4' Chuck Extension Spindle with 1/8" collet.

Grinding Wheels (inches):

  • #265 - 5 x 3/8 x 1/2
  • #268 - 2 1/2 x 1/2 x 1/2 
  • #266 - 4 x 1/2 x 1/2
  • #226 - 1 1/2 x 1/4 x 1/4 

Mounted Wheels (inches):

  • #202 - 1/4 x 1/4 x 1/8
  • #267 - 1 x 1/4 x 1/4
  • #203 - 1/2 x 1/4 x 1/8