| Diameter, side length or width across flats, thickness, and width |
Tolerance class | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Class 7 (h7) |
Class 8 (h8) |
Class 9 (h9) |
Class 10 (h10) |
Class 11 (h11) |
Class 12 (h12) |
Class 13 (h13) |
Class 14 (h14) |
Class 15 (h15) |
Class 16 (h16) |
Class 17 (h17) |
Class 18 (h18) |
|
| 3 or lower | 0 -0.010 |
0 -0.014 |
0 -0.025 |
0 -0.040 |
0 -0.060 |
0 -0.10 |
0 -0.14 |
0 -0.25 |
0 -0.40 |
0 -0.60 |
0 -1.00 |
0 -1.40 |
| Higher than 36 or lower | 0 -0.012 |
0 -0.018 |
0 -0.030 |
0 -0.048 |
0 -0.075 |
0 -0.12 |
0 -0.18 |
0 -0.30 |
0 -0.48 |
0 -0.75 |
0 -1.20 |
0 -1.80 |
| Higher than 610 or lower | 0 -0.015 |
0 -0.022 |
0 -0.036 |
0 -0.058 |
0 -0.090 |
0 -0.15 |
0 -0.22 |
0 -0.36 |
0 -0.58 |
0 -0.90 |
0 -1.50 |
0 -2.20 |
| Higher than 1018 or lower | 0 -0.018 |
0 -0.027 |
0 -0.043 |
0 -0.070 |
0 -0.11 |
0 -0.18 |
0 -0.27 |
0 -0.43 |
0 -0.70 |
0 -1.10 |
0 -1.80 |
0 -2.70 |
| Higher than 1830 or lower | 0 -0.021 |
0 -0.033 |
0 -0.052 |
0 -0.084 |
0 -0.13 |
0 -0.21 |
0 -0.33 |
0 -0.52 |
0 -0.84 |
0 -1.30 |
0 -2.10 |
0 -3.30 |
| Higher than 3050 or lower | 0 -0.025 |
0 -0.039 |
0 -0.062 |
0 -0.100 |
0 -0.16 |
0 -0.25 |
0 -0.39 |
0 -0.62 |
0 -1.00 |
0 -1.60 |
0 -2.50 |
0 -3.90 |
| Higher than 5080 or lower | 0 -0.030 |
0 -0.046 |
0 -0.074 |
0 -0.120 |
0 -0.19 |
0 -0.30 |
0 -0.46 |
0 -0.74 |
0 -1.20 |
0 -1.90 |
0 -3.00 |
0 -4.60 |
| Higher than 80120 or lower | 0 -0.035 |
0 -0.054 |
0 -0.087 |
0 -0.140 |
0 -0.22 |
0 -0.35 |
0 -0.54 |
0 -0.87 |
0 -1.40 |
0 -2.20 |
0 -3.50 |
0 -5.40 |
Remarks
1. Tolerance for diameter error and deviation is 30% or less. However, tolerance for deviation for flat steel products is to be agreed upon with recipients.
2. Tolerances in parentheses are from JIS B 0401.
3. Negative figures in the table above may be split into positive and negative values within the total tolerance in accordance with instructions on order forms.
4. Tolerances for bars that are heat-treated or acid-washed after cold-working are double those of classes with higher tolerances on the table above.
5. Classes 14–18 do not apply to standard dimensions of 1 mm or lower.
Links
- Information about Stainless Steel Products
- Chemical Composition and Applications of Stainless SteelWeight Table for Stainless Steel ProductsDimensional Tolerance of Stainless SteelApplication of Tolerance ClassesSpecific Gravity (Density) of Stainless Steel and Other ProductsDownload as PDF file
- Information about Bolt, Nut, and Screw Products
- Unified (Coarse) Thread Standard DimensionsJIS–ASTM Comparison Table
- Catalog
- Download catalog