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SIZE RANGE, IN INCHES
Maximum of Carbon Range 0.28% or Less
Maximum of Carbon Range over 0.28% to 0.55% incl.
Maximum of Carbon Range to 0.55% incl. Stress Relieved or Annealed After Cold Finishing
Maximum of Carbon Range over 0.55%
All Grades Quenched and Tempered, or Normalized and Tempered Before Cold Finishing
Undersize variations in Inches

Rounds - Cold Drawn or Turned and Polished

to 1 1/2" incl. .002 .003 .004 .005 .005
over 1 1/2" to 2 1/2" incl. .003 .004 .005 .006 .006
over 2 1/2" to 4" incl. .004 .005 .006 .007 .007
over 4" to 6" incl. .005 .006 .007 .008 .008
over 6" to 8" incl. .006 .007 .008 .009 .009
over 8" to 9" incl. .007 .008 .009 .010 .010
over 9" .008 .009 .010 .011 .011

Hexagons - Cold Drawn

to 3/4" incl. .002 .003 .004 .006 .006
over 3/4" to 1 1/2" incl. .003 .004 .005 .007 .007
over 1 1/2" to 2 1/2" incl. .004 .005 .006 .008 .008
over 2 1/2" to 3 1/8" incl. .005 .006 .007 .009 .009

Squares - Cold Drawn

to 3/4" incl. .002 .004 .005 .007 .007
over 3/4" to 1 1/2" incl. .003 .005 .006 .008 .008
over 1 1/2" to 2 1/2" incl. .004 .006 .007 .009 .009
over 2 1/2" to 4" incl. .006 .008 .009 .011 .011

Flats - Cold Drawn

(tolerance applies to both thickness and width)
WIDTH IN INCHES
to 3/4" incl. .003 .004 .006 .008 .008
over 3/4" to 1 1/2" incl. .004 .005 .008 .010 .010
over 1 1/2" to 3" incl. .005 .006 .010 .012 .012
over 3" to 4" incl. .006 .008 .011 .016 .016
over 4" to 6" incl. .008 .010 .012 .020 .020
over 6" .013 .015 - - -