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8" Expando Drum Unit
With Two 8" X 3" Expanding Drums

An Economical Two-Station Grinder/Polisher

  • Double shaft 1/3 HP, 110V or 220v motor
  • Now available in 60hz or 50hz (50hz for export machines)
  • Cast aluminum pans and hoods with water valves and drains
  • Lam-I-Cushion base


Accessories include two 3" x 25 7/32" sanding belts and v-belt guard. Unit comes fully assembled and mounted on base with instructions and guarantee. Size 24"L x 15"W x 12"H

Model #454 -- 8" Expando Drum Unit $ 577.50

8" Expando Drum Unit
With Four 8" x 3" Expanding Drums

Four Station 8" Expando Unit Features:

  • Heavy duty ball bearings, neoprene sealed and greased for life
  • Cast aluminum pans and hoods with water valves and drains
  • Speed control with Variable RPM changes
  • 1/3 HP, 110V heavy duty motor


The angled expansion slots through the rubber rim of the expando drum allow it to expand when rotated, thereby locking the belt in place. The drum surface flexes to gemstone contour to quickly remove grinding flats and the belts cutting action quickly removes scratches.

Accessories include four 3" x 25 7/32" sanding belts and v-belts guard. Unit comes fully assembled and mounted on base with instructions and guarantee. Size 36"L x 24"W x 14"H  Call for Freight Quote

Model No. 594 -- 8" Expando Drum Unit

$ 997.50

   


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