60 Degree Included Angle 325 Grit Resin Diamond Smoothing Cone

Lead Time
One Week
Our Resin Diamond Smoothing Cones are a 60 degree included angle cone used for creating slight bevels or pre-polishing larger bevels from electroplated diamond cones on inside lips of open ended glass vessels. Cones are avaiable in multiple mounting and threading options. Please select which mounting method when ordering.
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Customer Questions
I have an 18" covington lap grinder. What is the shaft and threading I need to order for that? Also, what else do I need to purchase to use the cone with the grinder?

For the Covington grinders, you'll need a male to male adaptor for the center listed here. The threading for the cone or dome should be 5/8-11 Right Hand Thread.

What speed should these resin diamond smoothing cones (and domes) operate at please?

We generally recommend about 500-700 RPM for the cones and domes.

Have 12 inches grinder, have 5/8-11 MALE TO MALE FITTING, but don't know wich option of Shaft & Threading to choose, would you help me? Thanks.

You'll want the 5/8-11 right hand threading for that adaptor.

Im using a drill press, what is the recommended shaft and thread? Also, what is the base diameter of the cone?

For a drill press, you'll want the 1/2 inch straight shaft version. The base diameter of the cone is 3 inches.

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  • 5/8-11 threaded cones have a center water channel for water fed mounts