8" Diamond Top Plates
8" Diamond Top Plates 8" Diamond Top Plates 8" Diamond Top Plates 8" Diamond Top Plates 8" Diamond Top Plates 8" Diamond Top Plates 8" Diamond Top Plates 8" Diamond Top Plates 8" Diamond Top Plates

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SKU 00290_CFG

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Description 8" Diamond Top Plates

No Adhesive backing. Our steel cabbing top plate laps offer excellent cutting at a low cost to the user. A metal bonded diamond disc without the aluminum or steel backing disc found on standard diamond laps. Must be used with water as a coolant with an additive (tool cool), this will help extend the life of all laps. 8" diameters with 1/2" arbor hole.

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Product Questions (8)

Customer Questions
Will I need a backing plate when using these discs?
Yes, you will need a backing plate with these top plates.
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Will these work with the Ameritool Universal Heavy Duty Grinding and Polishing Machine?
Yes, these do need to be used with a backing plate though, so make sure you have a backing plate to attach this to.
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Can these be used with the Amertool without using adhesive? Can the disc just be sandwiched between the backing plate and retaining screw/washer?
Yes in theory, however, in the past Ameritool has balanced their backing discs and top plates together. I am not sure if this will work.
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What is the max RPM for these toppers?
These haven't been tested beyond 3,400 rpm
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Width of Arbor hole? 1/2"?
That is correct, this is a 1/2" arbor hole
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Is the diamond electroplated to the discs? What is meant by "mesh" in "mesh top plate"?
Yes, it is a diamond electroplated disc. We use the terms grit and mesh interchangeably. Mesh in this context means the screen/mesh size the diamond passed through.
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Are these the same as Hi-Tech diamond disc
Yes, these are similar and are compatible with Hi-Tech.
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I use both Hi Tech and Ameritool flat lap machines. When my discs wear out I remove the top plates from the backer plates and put on new top plates with PSA adhesive. It's difficult to remove the top plates and I have to use flat head screw drivers to pry the old discs off of the backer plates. Is there a better way to remove the old top plates? Is there a type of solvent that would dissolve the adhesive without destroying the backer plates?
A heat gun will help soften the adhesive. Laquer thinner, used sparingly (so it doesn't affect the underlying acrylic, it could craze or possibly crack if used in too high of concentration), followed by Isopropyl alcohol should take care of it.
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