Axminster Granite Surface Plate – Delamination of surface coating

Axminster Granite Surface Plate – Delamination of surface coating

This topic has 4 replies, 5 voices, and was last updated 9 June 2026 at 23:46 by Nigel Graham 2.

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9 June 2026 at 21:12 #851528
Greensands
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@greensands
A couple of years or so ago I bought new a 300x300x50 granite surface plate from Axminster Tools and it has spent most of its time on the bench seeing very little use. Imagine my surprise then after having moving it around the bench to make room for some other activity to notice that at one corner of the plate there was what looked to be delamination of a surface treatment leaving a distinct edge easily detected by a finger nail. My question is therefore this: what is going on here as I had assumed that the working surface and sides was natural granite and not as it now appears, some sort of surface coating which has been inadvertently chipped off. The photos hopefully illustrate the issue.
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9 June 2026 at 21:22 #851534
bernard towers
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@bernardtowers37738
looks like its had a bit of a clout
9 June 2026 at 22:18 #851539
Charles Lamont
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@charleslamont71117
DON’T PANIC – it looks like a left-over bit of magic tape. I think I can even see the serrated edge left by the tape dispenser.
9 June 2026 at 23:43 #851542
Michael Gilligan
Participant
@michaelgilligan61133
On 9 June 2026 at 22:18 Charles Lamont Said:

DON’T PANIC – it looks like a left-over bit of magic tape. I think I can even see the serrated edge left by the tape dispenser.

Well-spotted, Charles !

MichaelG.
9 June 2026 at 23:46 #851543
Nigel Graham 2
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@nigelgraham2
A remnant of a protective film, part of the original packaging for transport.

They aren’t actually “granite”, these dark-grey, finely crystalline plates! The masonry trade tends to call any hard, crystalline stone, “granite”. It’s still an igneous rock, I think a type of basalt. Worktops, gravestones and surface-plates are machined from quarried slabs but basalt is used in some engineering applications by melting and casting.
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