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Covington Nickel Bond Diamond Discs - 12" & 18"

$359.99
Bore Size
Diamond Mesh
Disc Size

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When it comes to shaping and grinding stone efficiently, diamond abrasives are the gold standard. Covington 12" Diamond Grinding Discs are designed to deliver fast, consistent cutting power while giving lapidaries the flexibility to switch grits quickly and keep projects moving.

These discs feature a magnetic backing system that allows for incredibly fast grit changes. Instead of dealing with adhesives or complicated mounting systems, simply place the disc onto the magnetic lap plate and you're ready to work. This makes it easy to progress through multiple grinding stages while maintaining an efficient workflow.

Built with industrial-grade diamond abrasives, these discs provide aggressive material removal while maintaining a smooth, controlled grinding surface. Whether you're flattening slabs, shaping cabochons, or preparing rough material for finer sanding stages, Ameritool diamond discs offer the durability and performance serious lapidaries rely on.

Key Features

🔹 Magnetic Backing for Quick Changes
Swap discs in seconds with the magnetic mounting system—no adhesives or tools required.

🔹 Industrial Diamond Abrasive
Delivers fast, efficient cutting power for shaping and grinding a wide range of stones.

🔹 Multiple Grit Options Available
Choose the grit you need to move smoothly through each stage of the grinding process.

🔹 Precision Centering Holes
Available with either a 1/4" center hole or 1" center hole to ensure proper alignment on your machine.

🔹 Machine Compatibility
1/4" center hole: Compatible with the Ameritool 12" HD Flat Lap & Covington 12" Flat Lap Grinder
1" center hole: Compatible with the Covington 12" Flat Lap Grinder

With fast grit changes, aggressive diamond cutting power, and reliable performance, Ameritool 12" Diamond Grinding Discs make it easier to move from rough shaping to fine finishing with precision and control.

The right disc for efficient grinding and professional lapidary results.

When it comes to shaping and grinding stone efficiently, diamond abrasives are the gold standard. Covington 12" Diamond Grinding Discs are designed to deliver fast, consistent cutting power while giving lapidaries the flexibility to switch grits quickly and keep projects moving.

These discs feature a magnetic backing system that allows for incredibly fast grit changes. Instead of dealing with adhesives or complicated mounting systems, simply place the disc onto the magnetic lap plate and you're ready to work. This makes it easy to progress through multiple grinding stages while maintaining an efficient workflow.

Built with industrial-grade diamond abrasives, these discs provide aggressive material removal while maintaining a smooth, controlled grinding surface. Whether you're flattening slabs, shaping cabochons, or preparing rough material for finer sanding stages, Ameritool diamond discs offer the durability and performance serious lapidaries rely on.

Key Features

🔹 Magnetic Backing for Quick Changes
Swap discs in seconds with the magnetic mounting system—no adhesives or tools required.

🔹 Industrial Diamond Abrasive
Delivers fast, efficient cutting power for shaping and grinding a wide range of stones.

🔹 Multiple Grit Options Available
Choose the grit you need to move smoothly through each stage of the grinding process.

🔹 Precision Centering Holes
Available with either a 1/4" center hole or 1" center hole to ensure proper alignment on your machine.

🔹 Machine Compatibility
1/4" center hole: Compatible with the Ameritool 12" HD Flat Lap & Covington 12" Flat Lap Grinder
1" center hole: Compatible with the Covington 12" Flat Lap Grinder

With fast grit changes, aggressive diamond cutting power, and reliable performance, Ameritool 12" Diamond Grinding Discs make it easier to move from rough shaping to fine finishing with precision and control.

The right disc for efficient grinding and professional lapidary results.

Shipping Information

Free Ground Shipping in the continental USA.

At the Gemstone Lab, we aim to deliver your lapidary tools and supplies quickly and safely.

That's why we only ship using UPS, FedEx, or USPS.

We offer free ground shipping on all orders within the United States. No minimum purchase is required -  every order qualifies! Our ground shipping is handled by trusted carriers to ensure your items arrive safely and on time.

What to Expect When You Place an Order

Once your order is confirmed, you'll receive a confirmation email detailing your purchase and order number. As soon as your order is shipped, you wlll receive a notification with all shipping details and a tracking number so you'll know exactly when your package will arrive. 

Fast Order Processing

We start processing your order right away. Most orders ship withing 1-2 business days, so you can get started on your next project before you know it. 

Shipping Times

Delivery times vary based on your location. Most U. S. order arrive within 3-6 business days. Expedited shipping options are also available at checkout for certain items for an additinal fee if you needs a product sooner. Made to order products cannot be guaranteed withing this timeframe are is noted on each product page. 

International Shipping

We currently do not offer shipping outside of the United States.

Secure Packaging

Every order is carefully packed to ensure your items arrive in perfect condition. Fragile tools, blades, and other delicate lapidary items are given extra care during packaging and boxing to prevent damage in transit.

 

If you have any question about our shipping policies or need assistance with a product, please don't hesitate to reach out to our friendly customer support team. We're happy to help make your lapidary adventure more fun in any way we can! Give us a call at 855-487-9637.