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By certification 
Characteristics: is made from high-quality special steel, has accurate size.
NO. |
Length（L）Tolerance |
Length (L1) Tolerance |
Length (L2) Tolerance |
Width (H) Tolerance |
Width (H1) Tolerance |
Aperture Tolerance |
Thickness tolerances |
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SJ-890 |
80 |
+0.1 |
6 |
+0.05 |
4.5 |
+0.01 |
9 |
+0.05 |
4.8 |
+0.02 |
3.2 |
+0.05 |
0.4 |
+0.02 |
-0.1 |
-0.05 |
-0.01 |
-0.05 |
-0.02 |
-0.00 |
-0.02 |
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