Granite Metrology Surfaces.

Four granite product families — surface plates, surface tables, bed plates and metrology tooling — each designed around the application it serves

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Material

Close-grain black granite

Finish

Precision lapped

Standard

DIN 876-1 and BS 817:2008

T-slots

DIN 650 H12 - H7 in bonded inserts

Largest single piece

To 10,000 mm in length

Four product families run from laboratory surface plates to machine foundations, supported by granite tooling, each item manufactured to its governing standard or to drawing.Close-grain black granite is precision lapped, non-magnetic, corrosion resistant andchemically inert. Every item is finished in the UK to its governing standard or to drawing; supply, installation and certification are handled by us, in the UK and worldwide

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Surface Plates

The plate alone, for your own bench, stand or structure.

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Surface Tables

Plate, support and levelling as one system, at your working height

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Bed Plates

Floor-mounted foundations for inspection and testing.

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Metrology Tooling

Squares, parallels, vee blocks, straightedges and bespoke fixturing.

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Specification.

Material

Close-grain black granite

Finish

Precision lapped

Standard

DIN 876-1 and BS 817:2008

Grade

DIN 876-1 grades 00 to 2 across the range, to specification. Grade is a function ofsize

Properties

Non-magnetic, chemically inert

Largest single piece

Surface plates 6,000 × 3,000 mm; bed plates to 10,000 mm in length

Choosing between cast iron and granite

Interface features in granite.

Granite carries every interface feature available in cast iron. Typically specified: threaded, reamed and hard bushed holes, keyways, T-slots and slots, through to bespoke customer-designed features. They are produced using cast iron or stainless steel elements bonded into the granite, with the element material chosen to suit the application.