Opus Metrology Ltd
Corby NN17 4DR
England
t: +44(0) 1536 204681
f: +44(0) 1536 205272
e: sales@opus.co.uk
A member of
The Parmeko Group

Opus Metrology Ltd

Toolmaker’s Flats

Toolmakersflat

Opus Toolmaker’s Flats are made to BS 869 from a very pure high quality steel upset blanks.

Each flat is heat treated to give a working surface of 850 Hv then stabilised.

The working surface of the flat is precision lapped to the high grade of accuracy required by the specification for flatness and finish.

Available in 4 sizes and are supplied in high quality wooden cases complete with a UKAS calibration certificate.

Diameter

Working Surface

mm

Inch Equivalent

Flatness between Two Parallel Planes

Parallelism of Working Face to Base

63

2.5

0.000 5mm
(0.000 020”)

0.002 5mm
(0.000 1”)

100

3.9

160

6.3

200

7.9

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