Granite Surface Plates

Close-grain black granite, precision lapped. Designed around your application and supplied unmounted — for a bench, a stand, a cabinet or your own structure.

Material
Close-grain black granite
Standard
DIN 876-1 and BS 817:2008
Granite Surface Plates

A granite surface plate provides a non-magnetic reference datum with high stability in controlled environments. Specified for standards rooms, gauge inspection, CMM checking and electronic assembly measurement.

Specification.

Material

Close-grain black granite

Finish

Precision lapped

Standard

DIN 876-1 and BS 817:2008

Largest single piece

6,000 x 3,000 mm

Grade

DIN 876-1 grades 00, 0 and 1, to specification. Grade is a function of size

Properties

Non-magnetic, corrosion resistant, chemically inert

Interface

Threaded, reamed or hard bushed holes, keyways, slots and T-slots, produced with cast iron or stainless steel elements bonded in — T-slots to DIN 650, H12 - H7 to specification; standard, bespoke, or duplicates of those on your existing tooling

Need it at working height on a frame?
See Granite Surface Tables  ›

Options.

Support

At the Bessel points, with additional support points appropriate to the loading.

Levelling

Wedge levellers or AVM feet

Specification notes.

Installation

Delivered, installed, levelled and certified by us, with full technical and GA drawings. Supply only if you prefer

Bonded elements

Every cast iron interface feature is available in granite, produced with cast iron or stainless steel elements bonded in, chosen to suit the load.

Certification

Certificate traceable to national standards; UKAS-accredited calibration on request

Terminology

Also specified as granite inspection plates or precision granite plates.

Request a quotation.

Product
Granite Surface Plates
Size required
Grade or accuracy
Interface features
Installation location
Company
Email
Application notes
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