Dimensional tolerances for copper and copper alloy bars, EN 12164

Dimensional tolerances for round bars (including deviation from circular form), EN 12164
 
Dimensions in millimetres
Specified diameterTolerancesb
overup to incl.class Aclass Bclass C
Dimensional tolerances across flats for polygonal bars (hexagonal, square, flat) made of copper alloys, EN 12164
 
Dimensions in millimetres
Specified width across flatsTolerances
overup to and including
Length tolerance for bars with specified length
 
Dimensions in millimetres
Specified diameter or specified width across flatsPreferred lengths (available)Length tolerance
overup to incl.