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Home of the Patented Diamond Sphere Grinding Cups
Leaders In Diamond Technology for the Hobbiest or the Professional



Double row grinder
This is a great grinding wheel with coarse diamond for grinding the corners off of the spheres before grinding them in sphere machine. Also use it for grinding larger rocks before polishing them for specimens. It has a 5/8 inch threaded center and will fit on most 4 or 4 1/2 inch angle head grinders. I also make an adaptor for them to be put on a bench grinder for easier handling of the sphere with both hands.

The double row grinders come in:

4 in. for $55.00 each
5 in. for $65.00 each.


The backer pads are made of rubber and have a velcro front for holding the polish pads they have a 5/8 inch threaded hole and fit most 4 and 4 1/2 inch angle head air or electric grinders.

They come in:

3 inch for $12.00
4 inch for $12.00 each.


Backer Pad




Flat Lap
The flat laps are made of metal and have a 1/2 inch hole and are plated with graded diamond. They come in 6 in. 8 in. 10 in. and 12 in.

The 6 inch come in 60, 80, 180, 240, 320, 400, 600, 800, 1000, 1200, 1500 and 2500 grit sizes

The 8 inch come in 60, 80, 120, 180, 240, 320, 400, 600, 800, 1000, 1200 and 1500 grit sizes

The 10 inch come in 80, 120, 180, 240, 320, 400 and 600 grit sizes

The 12 inch come in 890, 120, 180, 240, 320, 400 and 600 grit sizes


The diamond grinding wheels come in 6 and 8, inch and are both 1 1/2 inches wide. They have a metal outer rim and the center is of plastic.

The 6 inch come in the following grits 60, 80, 120, 180, 220, 320, 600 and 1200.

The 8 inch are 60, 80, 120, 180, 220 and 320


Grinding Wheel




Polishing Pad
The polish pads are made of a resin with diamond in them with a velcro back they also come in 3 and 4 inch sizes and are in the following grits 50,100, 200, 300, 500, 800, 1000, 3000, and a final pad of 10,000 grit

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