Covington Flat Lap 12" Grinder

Free Ground Shipping in the lower USA

30-Day Return Policy/No Restocking Fees

Customer Support is always available!

      Email: support@thegemstonelab.com

      Phone: 1-855-487-9637

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The Covington 12" Flat Lap is a professional-grade machine is built for precise cold-working with stone and glass for efficient grinding, shaping, and polishing in one versatile unit. This powerhouse combines durability, smooth performance, and user-friendly features to give you better results in less time.

Whether you’re beveling glass, shaping cabochons, or polishing flat faces on stones, the Covington 12" Flat Lap delivers clean, consistent finishes every time. The large 12" plate and precision construction make it ideal for both small pieces and larger work, while multiple water delivery options keep your work area clean and your discs performing at their best.

Key Features & Benefits

• Large 12" Blanchard-ground precision plate – Provides a perfectly flat working surface for even, accurate grinding and polishing.

• Magnetic-backed diamond disc system with 1" brass centering pin – Makes disc changes fast and alignment effortless, so you can switch grits in seconds without losing accuracy.

• Versatile grinding and polishing options – Works with flat diamond discs, other diamond finishing tools, and accessories thanks to the 5/8"-11RH threaded shaft.

• Multiple water delivery systems – Dual overhead loc-line supply for exterior water feed, plus optional through-shaft center water feed for even distribution directly to the work surface, keeping heat and debris under control.

• Removable stainless steel splash guard and brush – Contains water spray while allowing space for larger pieces, keeping your workspace cleaner and reducing mess.

• Heavy-duty welded steel chassis with powder coat finish – Built to last for years of heavy use while resisting corrosion and wear.

• Stable, rigid shaft design – Bearings set 11" apart minimize vibration and ensure consistent results, even with larger workpieces.

• Easy maintenance access – Removable side panels make cleaning, lubrication, and adjustments quick and simple.

• Available in multiple configurations –

  • Single Speed: Equipped with a 3/4 HP motor running at 1080 RPM, the Single Speed model is a dependable choice for consistent grinding and polishing tasks. It includes dual overhead loc-line nozzles for exterior water feed. (Note: Not available in 220V, 50Hz.)

  • Single Speed with Center Water Feed: This version adds a through-shaft center water supply to the Single Speed unit, providing direct water flow from the middle of the plate. The combination of overhead loc-line and CWF helps minimize heat and maximize polishing efficiency. (Note: Not available in 220V, 50Hz.)

  • Variable Speed: The most versatile option, the Variable Speed model features a powerful 1 HP, 3-phase, wash-down motor with a controller that allows speeds from 200–1100 RPM. It also includes reversible plate direction, extending the life of your diamond discs and giving you ultimate control over your work.

Why Choose the Covington 12" Flat Lap

From grinding rough material to creating a flawless polish, this machine offers precision, speed, and versatility for a wide range of projects. Its professional build quality means you’ll spend more time creating and less time on maintenance, and its customizable water feed options give you the cleanest, most efficient working environment possible. If you’re looking for a flat lap that can keep up with demanding work while delivering consistently outstanding results, the Covington 12" Flat Lap is the clear choice.