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Rock Tumblers
| Raytech Tumblers |
| We only sell tumblers made by Covington Engineering | ||
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Covington Model 250 Deluxe Tumbler | |
| Covington 40 Lb. Production Tumbler | ||
| Covington Roll-N-Tumble Gem Tumblers | ||
| Media for Tumblers | 4-Step Tumbler Grit Kit | |
| Tumbling Grits from 46/70 to 800 & Finer | ||
| Tumbling Polishes | ||
| Tumbling Rough |
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| We DO NOT sell Raytech tumblers, but we list them as an informational service. | ||
| Raytech Vibratory Tumblers | Raytech TV-5 Rock Tumbler Starter Kit | |
| Raytech TV-5 Metal Tumbler Starter Kit | ||
| Raytech TV-10 Rock Tumbler | ||
| Raytech AV-18 Heavy Duty Tumbler | ||
How to select a tumbler:
Rotary tumblers round out and grind stones faster than vibratory tumblers. However, vibratory tumblers often provide a better prepolish and polish.
Ideally, one would have a rotary tumbler for the grinding stages and a vibratory tumbler for the prepolish and polish stages. Owning two tumblers isn't practical for non-professionals. So, if you want quick results, get a rotary tumbler.
If you are tumbling rounded, river worn alluvial material, or beach stones, the fast grinding speed of rotary tumblers isn't an advantage and we would then advise getting a vibratory tumbler.
Standard tumblers are set up for stones no larger than 1-1/2" in diameter. If you are going to be tumbling larger material, you should consider the Covington 40 Pound Production Tumbler.
How To Tumble Polish Rocks Into Gems - $17.95
Secrets Of The Pros Revealed
by Edward E. Smith
Soft cover, 5.5" x 8.5", 102 pages, copyright 2005
How To Tumble Polish Rocks Into Gems provides comprehensive information on how to use both rotary and vibratory type rock tumblers to tumble polish gemstones. Everything from tumbling Apache Tears to Zebra Agate, Jewelry Castings to Brass Shell Casings, Fossils to Sea Shells and Carvings to Cabochons is covered in this book.
How To Tumble Polish Rocks Into Gems which is organized into 41 topical sections which include: 1 Introduction to Tumbling, 2 Collecting, What to Look for and Where, 3 The Beginning, 4 Selecting Tumbling Materials, 5 Media: Plastic, Ceramic, Natural Organic, 6 Abrasives: Silicon Carbide, Boron Carbide, Aluminum Oxides, Grit Sizes and Their Uses, 7 Compounds: Polishing Wet and Dry, 8 Loading the Rotary Tumbler, 9 Loading the Vibratory Tumbler, 10 Loading: Gem Materials, Fossils, Ivory, Shell, Coral, Bone, 11 Loading: Vibratory Materials, Mixing Materials, 12 Recap: Rotary Gemstones, 13 Recap: Vibratory Loading, Gems, Organics, Metals, Bone, Coral, 14 Tumbling Records, 15 Grinding, Selecting Abrasives, 16 Grinding, Abrasives, Rotary, 17 Grinding, Abrasives, Vibratory, 18 Hardness, Toughness, Charts, 19 Cleaning, Intermediate Treatment, 20 Sanding Cycle, Rotary, Vibratory, 21 Sanding-2, Gem Materials, Rotary Tips, 22 Sanding-2, Gem Materials, Vibratory Tips, 23 Sanding 2-, Rotary, Vibratory, 24 Cleaning, Before Pre-Polish, Polish, Intermediate Treatment, 25 Pre-Polish, Rotary, Vibratory, 26 Polishing, Rotary, 27 Polishing Gem Materials, Vibratory Wet Method, 28 Polishing Gem Materials, Vibratory Dry Method, 29 Polishing Gem Materials, Rotary, 30 Polishing Gem Stones, Vibratory, 31 Polishing Gem Materials Re-Cap, 32 Polishing, Vibratory Dry Method, 33 Burnishing, Rotary, Vibratory, 34 Shapes--Pre-Forms--Cabs, Rotary, 35 Polishing, Vibratory Wet and Dry, 36 General Information, Flat Surfaces, Rotary, Vibratory, 37 Sanding-Polishing Flat Surfaces, Rotary, 38 Metals, Gold, Silver, Preparing Machine Types, Pre-Finishing, 39 Burnishing, Metals, 40 The Author, Edward E. Smith, 41 Book Objectives, Content.
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