Tolerances - Size: Cold Finished

Undersize Variations in Inches

Size Range in Inches

Max. Carbon Range .28% or less

Max. Carbon Range over .28% to .55% incl.

Max. Carbon Range to 0.55% incl., Stress Relieved or Annealed After Cold Finishing1

Max. Carbon Range Over .55% or all Grades Quenched & Tempered or Normalized and Tempered Before cold Finishing

1 ½ or under

.002

.003

.004

.005

Over 1 ½ to 2 ½, incl.

.003

.004

.005

.006

Over 2 ½ to 4, incl.

.004

.005

.006

.007

Over 4 to 6, incl.

.005

.006

.007

.008

Over 6 to 8, incl.

.006

.007

.008

.009

Over 8 to 9, Incl.

.007

.008

.009

.010

Over 9

.008

.009

.010

.011

COLD DRAWN HEXAGONS

¾ or under

.002

.003

.004

.006

Over ¾ to 1 ½, incl.

.003

.004

.005

.007

Over 1 ½ to 2 ½, incl.

.004

.005

.006

.008

Over 2 ½ to 4, incl.

.005

.006

.007

.009

COLD DRAWN SQUARES

¾ or under

.002

.004

.005

.007

Over ¾ to 1 ½, incl.

.003

.005

.006

.008

Over 1 ½ to 2 ½, incl.

.004

.006

.007

.009

Over 2 ½ to 4, incl.

.006

.008

.009

.011

COLD DRAWN FLATS
Tolerances for flats apply to thickness as well as width

Width in Inches

To 2/4 incl.

.003

.004

.006

.008

Over ¾ to 1 ½, incl.

.004

.005

.008

.010

Over 1 ½ to 3, incl.

.005

.006

.010

.012

Over 3 to 4,incl.

.006

.008

.011

.016

Over 4 to 6, incl.

.008

.010

.012

.020

Over 6

.013

.015

…

…

TURNED, GROUND AND POLISHED ROUNDS
COLD DRAWN, GROUND AND POLISHED ROUNDS

Undersize Variations in Inches

Size Range in Inches

Turned, Ground and Polished Rounds

Cold Drawn, Ground and Polished Rounds

1 ½ and under

.001

.001

Over 1 ½ to less than 2 ½

.0015

.0015

2 ½ to 3, incl.

.002

.002

Over 3 to 4, incl.

.003

.003

Over 4 to 6, incl.

.004*

…

Over 6

.005*

…