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6" Combination Units
Combo Units Features:
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| Model No. 494SCU -- 6" Silicon Carbide Combination Unit | $ 995.00 |
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Model 495DCU
The #495 unit has the same basic features as the #494. However, the silicon carbide wheels have been replaced with 6” x 1 1/2” 100 and 220 grit metal bonded diamond grinding wheels. In addition, a 1200 grit diamond sanding belt and 5 each 400 grit silicon carbide belts are included for the expando drum. 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). Unit comes complete with starter kit, book about using diamond abrasives, instructions and guarantee.
Size 25" L x 25" W x 14" H. Shipping weight 79 lbs.
| Model No. 495DCU -- 6" Diamond Combination Unit | $ 1,325.00 |
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8" & 10" Horizontal Combo Units

691HCU Shown
Comes complete with:
Covington's Green diamond blade, grinding wheel, sanding wheel, polishing
wheel, 3 3/4" rock vise, drip can water system, weight feed cord and
scales, Covington® Koolerant, carry handle, polishing powder,
brush, dop sticks, dop wax, instructions and guarantee. Size 23" L x
14" W x 10" H. Motor sold and shipped separately.
8" Standard Combo Unit
With 10" Trim Saw
Saw, Grind, Sand & Polish Gemstone Material on
One Machine

*421 Shown with optional
stand
The #421 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. The 10” saw comes
complete with MK 301 diamond blade, nylon weight feed cord and scales (to
determine weight on vise feed). Sample kit includes #1 koolerant, polish
powder with brush and dop sticks with wax.
THESE UNITS
ARE SHIPPED FREIGHT COLLECT- SHIPPING NOT
INCLUDED.
Only handling fee is charged at time of order. Call or e-mail for freight
quote.
| Model No. 421 -- 8" Standard Combo Silicon Carbide Unit with 4 grinding stations, 5/8" bore vari-drive pulley for speed control and saw (Sold Less Cabinet Stand). |
$ 1,825.00 |

The #422 unit has the same basic features as the #421 with the silicon carbide replaced by diamond abrasives. Unit comes with 2-8” x1 1/2” metal bond diamond grinding wheels (100 & 220 grit), 1 vise lock drum with silicon carbide cloth (400 grit), 8” aluminum disc with diamond cloth (1200 grit) and extra aluminum disc with leather and, for polishing on the leather, a 2 gram syringe of 50,000 mesh diamond compound with a 2 dram bottle of extender fluid (thinner). Combo unit comes complete with sample kit, book about using diamond abrasives, instructions and guarantee.
All units come assembled with operating instructions and guarantee. Size 48" L x 22"W x 18" H. Shipping weight 70 to 100 lbs. depending on model (motor & stand sold and shipped separately.) THESE UNITS ARE SHIPPED FREIGHT COLLECT- SHIPPING NOT INCLUDED. Only handling fee is charged at time of order. Call or e-mail for freight quote.
| Model No. 422 -- 8" Standard Combo Diamond Unit with 4 grinding stations, speed control & saw (less stand). |
$ 2,150.00 |
8" Deluxe Combo Unit
With 10" Trim Saw
Enjoy the Convenience of Finishing Gemstone
Material on One Machine with Ample Space

The base mounted #446 Deluxe Combo comes assembled with 10” saw, Levermatic speed control, 2 - 8” x 1 1/2” grinding wheels (100 & 220 grit), 8” drum sander, 8” muslin buff and aluminum leather polish buff. Sample kit includes #1 koolerant, polish powder with brush and dop sticks with wax. A 1/3 HP Heavy Duty motor drives the saw and a 1/3 HP High-Torque motor drives the grinding unit. Cabinet sold and shipped separately. THESE UNITS ARE SHIPPED FREIGHT COLLECT- SHIPPING NOT INCLUDED. Only handling fee is charged at time of order. Call or e-mail for freight quote.

Model 447DDP Shown With optional Power Feed on Trim
Saw and Optional Stand
The #447 unit has the same basic features as the #446 with the silicon carbide replaced by diamond abrasives. Unit comes with 2 -8” x 1 1/2 metal bond diamond grinding wheels (100 & 220 grit), 1 vise lock drum with silicon carbide cloth (400 grit), 8” aluminum disc with diamond cloth (1200 grit) and an extra aluminum disc with leather face and, for polishing on the leather, a 2 gram syringe of 50,000 mesh diamond compound with a 2 dram bottle of extender fluid (thinner). Combo comes complete with sample kit, book about using diamond abrasives, instructions and guarantee. Size 52"L x 28"W x 18"H. Shipping weight 170 lbs. Cabinet sold and shipped separately. THESE UNITS ARE SHIPPED FREIGHT COLLECT- SHIPPING NOT INCLUDED. Only handling fee is charged at time of order. Call or e-mail for freight quote.
Small Cabinet Stand For All 421-422 Combo Units and 446-447 Combo
Units
$ 131.25
