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High-precision cold-drawn round steel

High-precision cold-drawn round steel

Main Parameters of the Product

φ3 - φ100 mmGrindingHigh precision cold drawingPrecision cold drawingStandard cold drawing
Precision GradeGrade h7 cold drawingh9h10
Surface Roughness Ra (μm)0.40Grade h8 0.801.603.20
Delivery ConditionCold drawing, cold drawing + grinding, quenching and tempering + turning, grinding, turning + grinding + polishing, etc.

Product Precision Grades and Allowable Deviations (mm)

Size (mm)Grade 9 /h9Grade 10 /h10
> 3 - 60, -0.0300, -0.048
> 6 - 100, -0.0360, -0.058
> 10 - 180, -0.0430, -0.070
> 18 - 300, -0.0520, -0.084
> 30 - 500, -0.0620, -0.100
> 50 - 800, -0.0740, -0.120

供应品类