TOLERENCE CHART

Chart SS Round Bars as per ASTM A 484

Size Range in inch Tolerence
1/16" to less than 5/16" +/-0.001"
5/16" to less than 1/2" +/-0.0015"
1/2" to less than 1" +/-0.002"
1" to less than 1-1/2" +/-0.0025"
1-1/2" to less than 4" +/-0.003

Cold finished Hexagon and Square Bars

Size Range in inch Tolerence
1/16" to less than 5/16" +/-0.002"
5/16" to less than 1/2" +/-0.003"
1/2" to less than 1" +/-0.004"
1" to less than 2" +/-0.006"
2" to less than 3" +/-0.008"
3" and over +/-0.010"

Tolerence chart for SS Round Bars as per ISO

Size Range (mm) h8 h9 h10 h11 h12 h13 k12/k13
Upto 6 -0.018 -0.030 -0.048 -0.075 -0.120 -0.180
Over 6 upto 10 -0.022 -0.036 -0.058 -0.090 -0.150 -0.220
Over 10 upto 18 -0.027 -0.043 -0.070 -0.110 -0.180 -0.270
Over 18 upto 30 -0.033 -0.052 -0.084 -0.130 -0.210 -0.330 +0.10/+0.15
Over 30 upto 50 -0.039 -0.062 -0.100 -0.160 -0.250 -0.390 +0.15/+0.20
Over 50 upto 80 -0.046 -0.074 -0.120 -0.190 -0.300 -0.460 +0.20/+0.25
Over 80 upto 120 -0.054 -0.087 -0.140 -0.220 -0.350 -0.540 +0.25/+0.30