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Cold Drawn Steel Bar Tolerances
Cold Drawn Steel bar has more precision diameter tolerances. The tolerance is as blow. If you want more precision diameter tolerances, we can do grinding on steel bar which can reach 0.02mm tolerance, Ra 0.8um max surface roughness and 0.2mm/m straightness. Permitable Tolerance Level 8 9 10 11 12 13 h8 h9 h10 h11 h12 h13 Tolerances 3 0/-0.014 0/-0.025 0/-0.040 0/-0.060 0/-0.15 0/-0.14 >3~6 0/-0.018 0/-0.030 0/-0.048 0/-0.075 0/-0.12 0/-0.18 >6~10 0/-0.022 0/-0.036 0/-0.058 0/-0.090 0/-0.15 0/-0.22 10~18 0/-0.027 0/-0.043 0/-0.070 0/-0.110 0/-0.18 0/-0.27 18~30 0/-0.033 0/-0.052 0/-0.084 0/-0.130 0/-0.2l 0/-0.33 30-50 0/-0.039 0/-0.062 0/-0.100 0/-0.160 0/-0.25 0/-0.39 50~80 0/-0.046 0/-0.074 0/-0.120 0/-0.190 0/-0.30 0/-0.46
Diameter