Z28-40 small thread rolling machine bolt rolling machine manual t

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Z28-40 small thread rolling machine bolt rolling machine manual thread rolling machine

Z28-40 small thread rolling machine bolt rolling machine manual thread rolling machine

As a rolling tool, the thread rolling mould has strong specificity, and is applicable to various carbon steels, alloy steels and non-ferrous metals whose Hardness of rolling workpiece is not higher than HRC37, preferably lower than HRC25, elongation should be greater than 10%, and tensile strength should be less than 100Kgf/mm (square). With the increase of material hardness, the service life of rolling tools will decline sharply

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Z28-40 small thread rolling machine bolt rolling machine manual t

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