thread roll forming machine thread rolling machine for steel bar

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thread roll forming machine thread rolling machine for steel bar china thread rolling machine factory

thread roll forming machine thread rolling machine for steel bar china thread rolling machine factory

1 surface roughness less than turning,milling and grinding; 2. Processed products than two-axis rolling machine products processed verticality,concentricity,etc. better,higher precision; 3. Material utilization is high;productivity is doubled from cutting,and it is easy to automate;

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thread roll forming machine thread rolling machine for steel bar