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Lortone QT-12 Rotary Rock Tumbler Kit

Lortone QT-12 Rotary Rock Tumbler
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Lortone QT-12 Rotary Rock Tumbler Kit


The large Lortone QT-12 Rotary Rock Tumbler is a professional grade machine with heavy-duty motor and large 10-sided molded-rubber barrel, capable of polishing up to 12 pounds at a time. It's perfect for polishing rock, brass, castings, beads, glass and more.  Perfect for larger items and moderate production use. This mid-size tumbler features a heavy-duty motor, welded steel frame and rubber barrel. All-steel body is strong and stable, with a handsome stainless steel drive cover. Lortone quality is backed by a one-year limited warranty from the manufacturer.

  • Dimensions 11 x 12.5 inches wide
  • Interior barrel size  7.5" deep by 6.75" diameter
  • Professional quality rock tumbler
  • 10-sided molded-rubber barrel
  • Large 12 lb. capacity drum
  • Polishes stones, brass, glass and beads
  • All-steel body with stainless drive cover
  • Strong 120V, 60Hz motor
  • Tumbler weighs about 16 pounds
  • 1-year limited warranty from Lortone
  • General rock tumbling instructions here.
  • Ships in 2 boxes: Tumbler is 18 pounds and Grit Kit is another 18 pounds.

In addition to the tumbler, this Kit also includes grits that are enough to polish 50 to 60 pounds of rough rock:

  • 5 pounds #80 coarse
  • 5 pounds #220 medium
  • 5 pounds #600 pre-polish
  • 1 pound Micro Alumina polishing
  • 1 pound plastic pellets
  • Professional Gemstone Tumbling Guide

About Lortone
For over 50 years, serious lapidaries have considered Lortone the standard for performance and durability. Located in Washington state, Lortone has a long history of producing high value, economical lapidary and jewelry equipment. Although there is no magic involved in rock tumbling, it does require time, close attention to detail, cleanliness and a certain amount of craftsmanship. But isn't that what any hobby is all about? And a benefit of rock tumbling as a hobby is that you can rarely completely ruin a good stone. You may lose some time through error, and your stone may end up smaller than you hoped, but it will still be a gem. By using a Lortone rock polisher that is built to last, you'll be happy with your rock tumbler supplies for many years!

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