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Heavy Duty Grinder-Polisher

Model 400HDG
*Now with 1/2 HP Hi-torque Motor
Covington's Heavy Duty Grinder Polisher:
- Will take 10, 8 or 6" Wheels or 8" expando drum
- Option: Either end of the shaft will hold an 8" X 1" -
14 thread vertical disc-with a wheel or drum still mounted
- Versatile two-station grinder/polisher
- 1"X18" shaft with heavy-duty neoprene sealed ball
bearings
- Cast aluminum pans and hoods
- 1/2 HP, 110V, Heavy Duty motor
Accessories Included:
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Flanges, nuts, drive pulley, v-belt & guard, water valves & drains
- Hoods remove easily for cleaning or wheel change
- Water valve takes 1/4" O.D. plastic tube for gravity
water flow or 1/4" copper tube for pressure system
- Spray nozzles under hood wet entire wheel face
- Unit comes with instructions & guarantee
- Comes fully assembled and mounted on Lam-I-Cushion base
- Size: 25" L X 24" W X 15" H
- Shipping Weight: 76 lbs.
| Model #400HDG
(less wheels) |
$ 725.00 |
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| Model #4002HG
(less wheels) |
$ 765.00 |
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Model 592HDG
*Now with 1/2 HP Hi-torque Motor
Two Station 6, 8 or 10" Vari-Speed Grinding 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 with no loss of
torque
- 1/2 HP, 110V, Heavy Duty motor
Includes same accessories as the model #400HDG shown
above. This unit will allow operator to use different grinding speeds to
achieve optimal grinding or polishing. Works exceptionally well with
expandable drums. Unit comes fully assembled.
Size: 26" L X 26" W X 17" H Shipping Weight: 78 lbs.
| Model 592VSP (Less Wheels) |
$ 825.00 |
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| Model 5922VP (Less Wheels) 220V, 50Hz |
$ 865.00 |
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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
- 1/2 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 37" L x 26" W x 14" H.
Item Ships Freight, Call or e-mail for a Quote
| Model No. 594EDU -- 8" Expando Drum
Unit |
$ 1,200.00 |
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| Model No. 5942EU -- 8" Expando Drum
Unit 220V, 50hz |
$ 1,242.00 |
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8" Grinder-Polisher
With 8" Expando Drum
Belts can be quickly changed--just slip off the old and
slide on the new!
Grinder-Polisher Features:
- Heavy duty ball bearings,
neoprene sealed and greased for life
- Rust proof aluminum
castings
- Adjustable cab and wheel
rest
- Speed control with 8 RPM
changes
- 1/3 HP, 110V, heavy duty Motor
Expando drum: angled expansion slots through rubber rim
allow drum to expand when rotated, thereby locking belt in place. Drum surface
flexes to gemstone contour to quickly remove grinding flats and belt's cutting
action quickly removes scratches. Hood removes easily for cleaning or wheel
change. Water valve takes 1/4" O.D. plastic tube for gravity water flow or
1/4" copper tube for pressure system. Spray nozzles under hood wet entire
wheel face. Base-mounted grinder-polisher comes assembled with 2 8" x 1
1/2" silicon carbide grinding wheels (100 & 220 grit), 8" expando
drum with 400 grit belt, and aluminum polishing buff. Sample kit includes polish
powder with brush and dop sticks with wax. Units comes assembled with operating
instructions and guarantee. Size 37" L x 21" W x 16" H (Motor shipped separately
13" x 9" x 9" 16 lbs). Item Ships Freight, Call or
e-mail for a Quote
| Model #752SGP -- Grinder-Polisher Silicon Carbide Unit
(includes 1/2" bore Vari-drive pulley) |
$ 1,300.00 |
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| Model #7522SP -- Grinder-Polisher Silicon Carbide Unit
(includes 1/2" bore Vari-drive pulley) 220V, 50hz |
$ 1,340.00 |
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The 754 unit has the same basic features as the 752 with
silicon carbide replaced by diamond abrasives. Unit comes with 2 8" x 1
1/2" metal bond diamond grinding wheels (100 & 220 grit), 2 3" x
25 7/32" diamond cloth belts (220 mesh & 1200 mesh) and, for polishing
on the leather disc a 2 gram syringe of 50,000 mesh diamond compound with a 2
dram bottle of extender fluid (thinner). Grinder-Polisher comes complete with
sample kit, book about using diamond abrasives, instructions and guarantee
(motor shipped separately).
Item Ships Freight, Call
or e-mail for a Quote
| Model #754DGP -- Grinder-Polisher Diamond Unit (includes
1/2" bore Vari-drive motor pulley) |
$ 1,500.00 |
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| Model #7542DP -- Grinder-Polisher Diamond Unit (includes
1/2" bore Vari-drive motor pulley) 220V, 50Hz |
$ 1,540.00 |
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