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The tolerances of all rules supplied by us are measured with a non-contact LASER detector. Measuring with a micrometer proved too unreliable, as this measuring device is subject to mechanical influences in its daily usage.

STANDARD TOLERANCES:

Height tolerances
Thickness tolerances
mm height mm standard point mm thickness mm tolerance
8 ± 0,015   0,45 ± 0,015
12 ± 0,015 1,5 0,53 ± 0,015
12 ± 0,015 2 0,71 ± 0,015
23,6 ± 0,02 3 1,05 ± 0,02
23,8 ± 0,02 4 1,42 ± 0,02
24,1 ± 0,02 6 2,10 ± 0,025
25-50 ± 0,025
50-75 ± 0,03
75-100 ± 0,035

Upon request by the customer, we can also supply special rules with exacting tolerances if necessary.

HIGHT TOLERANCES FOR HEIGHT OF STRIP:

7,00 bis 13,00 mm ± 0,015
>13,00 bis 25,00 mm ± 0,020
>25,00 bis 50,00 mm ± 0,025
>50,00 bis 75,00 mm ± 0,030
>75,00 bis 100,00mm ± 0,035

Straightness of longitudinal edges:

generally 0,5 mm per meter

Flatness:

max. 5 mm per meter on the suspended rod

Deviation of evenness of surface:

generally 1 µ/mm

© 2003. All Rights reserved HD-Steel, Gerhard Deutsch, Austria. VAT number: ATU 62020501. FN 269170p