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Roll-N-Tumble Gem Tumblers

A truly Quiet Tumbler Without Irritating Noise

Rotating Tumbler Features:

  • Solid polyvinyl barrel
  • Cast aluminum chassis
  • Steel support shafts
  • Dupont nylon bearings
  • Fan cooled, 100V, 60HZ motor

Spiral riffles inside barrel move the load from side to side while the barrel is in motion. Proper rotary speed is preset to insure maximum abrasive or polishing action. Barrels are easily removed for inspection or cleaning. Units come complete with belt guard, instructions and guarantee. 

Model Barrel Size Capacity Lbs. Motor H.P. Shipping Weight Mounted Complete
257TUM Single Quart 3 1/18 12 $ 220.50
258TUM Double Quart 6 1/18 17 $ 241.50
259TUM Triple Quart 9 1/18 22 $ 304.50
254TUM Single 1/2 Gallon 6 1/18 17 $ 225.75
255TUM Double 1/2 Gallon 12 1/18 24 $ 278.25
256TUM Triple 1/2 Gallon 18 1/10 32 $ 336.00
251TUM Single 1 Gallon 12 1/18 21 $ 262.50
252TUM Double 1 Gallon 24 1/10 32 $ 294.00
253TUM Triple 1 Gallon 36 1/10 43 $ 341.25

Extra EVA Barrels with End Cover and Lock:

Barrel Size Model #

Price

 
1 Quart Barrel 257BAR $ 36.75
1/2 Gallon Barrel 254BAR $ 39.90
1 Gallon Barrel 251BAR $ 44.10

TGP001 -- Tumbler grit and polish kit. consists of 1 lb. each: 60/90, 120/220 and 3f - 400 grit, tumbler polish powder and 12 oz. "Old Miser" grit carrier.  Shipping weight 6 lbs.  $ 22.75   


These kits come with everything you need to get started tumbling today.

Covington's® "Old Miser" is designed to help hold the grit in place. It holds the grit in suspension so that all the rocks are always covered with grit for faster grinding. "Old Miser" doesn't allow the water to wash the grit to the bottom and off the rocks. Covington's® "Old Miser" saves you time and money. 


Lortone's Model 3-A

Lortone's small tumblers are perfect for those just getting started and for smaller items!
Description Order # Price
3-A Tumbler LOR3AT $ 70.00
Replacement Barrel TRBL3A $ 20.50


RAYTECH's TV-5 Vibratory Tumbler
Economical and versatile!  Holds approx 4 lbs of rings, rocks, etc. Favorite of the Hobbyists and used commercially as well!

TV5 Tumbler  $ 104.95
Extra Bowl   $ 24.00
 

  


LAPIDARY EQUIPMENT
ARBORS BEAD MILLS BELT SANDERS BOOKS
CARRIAGE SLAB SAW KITS CARVING & BUFFING KIT COMBO UNITS DELUXE TUMBLERS
DIAMOND BLADES DIAMOND COMPOUNDS DIAMOND DISCS DIAMOND DRILL BITS
DOP STOVES/WAX DRUM SANDER ELECTRIC MOTORS ESTWING TOOLS
EXPANDO DRUM UNITS FLANGES FOREDOM CRAFT KIT GEM DRILLS
GOLD PANS GRINDER-POLISHER GRINDING WHEELS GRITS
HAMMERS HORIZONTAL LAPS JEWELRY BUFFERS JEWELRY WIRE BENDER
KOOLERANT MAXI LAPS NEEDLE FILES OPTIVISOR
PLIERS & CUTTERS POLISHING POWDERS PULLEYS ROCIPROLAP
ROLLING TUMBLERS SANDERS / WET-BELT SANDING DISC & BELTS SILVER SOLDER
SLAB SAWS SLAB SAW OIL SPHERE MACHINES SPLASH GUARDS
TEMPLATES TRIM SAWS TUMBLERS VIBRATING LAPS
VIBRATING TUMBLERS VINYL APRONS WIRE SAWS 3M BRISTLE DISC'S

   

GLASS MACHINES

CORK & FELT POLISHER GLASS BEVELERS GLASS ENGRAVER GLASS LATHE
GLASS SAWS & BLADES GLASS SMOOTHER & KITS ROCIPROLAP SANDERS / WET-BELT

Covington® Engineering Corporation
U.S. Toll Free (877)793-6636  Outside U.S. 909-793-6636  Fax 909-793-7641
Email us at sales@covington-engineering.com
715 West Colton Avenue -- P.O. Box 35 -- Redlands, CA 92373