Choose the tumbler that suits your needs:
Five MINI-SONIC options to choose from

It’s unique tumbling operation is the key to the high performance of the MT-4SV. You can tumble polish almost any kind of stone, from opal to topaz, delicate carvings and preforms, as well as metal items such as coins, jewelry findings, shell casings, etc.
The vibratory motion is achieved without anymoving parts. It improves the polishing process and uses only a small amount of abrasives compared to ordinary tumblers. Load capacity is approximately four poundsincluding stone, fillers and abrasives. You control the rotation and intensity of the tumbler operation with solid state electronic controls.Hoppers give exceptionally long wear. They are made of cast ABS plastic. With no motor,belts or pulleys to worry about, you have a tumbler built for years of worry free service.

HOW A MT-4SV WORKS

The MT-4 Mini-Sonic Tumbler operates without shafts, belts, pulleys, eccentric weight or even a motor—no moving parts, so the MT-4 will far outlast other types of tumblers. It operates on a unique principle employing interrupted electrical current that provides vibration as the driving force powering the rotation of the load. Operating frequency is in excess of 3,500 vibrations per minute.

Rotation and intensity is adjustable with solid state electronic controls. During rotation, the tumbling load is alternately separated and compacted during each vibratory cycle. This improves the tumbling process and allows fresh abrasive to be drawn in between materials in the tumbler hopper. Only the contents inside the hopper actually rotate while the hopper itself remains practically motionless except for the driving arc of motion.

Only a small amount of abrasives are required in the Mini-Sonic tumbling process compared to ordinary rotary tumblers. As the abrasive begins to pulverize or break down and combines with rock dust and water, a slurry or coating mixture is formed, and it is this coating which should be maintained throughout all the tumbling processes. Too much water or too much abrasives will cause materials to collect in the bottom of the hopper and not rotate properly.

NOTE: when polishing with Vibra-Dry compounds, no water is required, and you will not have the slurry described above.

The MT-4SV Mini-Sonic Tumbler is the best all-around tumbler on the market when it comes to performance, easy operation, and long-lasting service. You can tumble polish almost any kind of stone, from opal to topaz, delicate carvings and preforms, as well as metal items such as coins, jewelry findings, shell casings, etc.

It’s unique tumbling operation is the key to the high performance of the MT-4SV. The vibratory motion is achieved without any moving parts. It improves the polishing process and uses only a small amount of abrasives compared to ordinary tumblers. Load capacity is approximately four pounds including stone, fillers and abrasives. You control the rotation and intensity of the tumbler operation with solid state electronic controls. Hoppers give exceptionally long wear. They are made of cast polyvinyl. With no motor, belts or pulleys to worry about, you have a tumbler built for years of worry free service.