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About product and suppliers:
        Alibaba.com offers 284 metal knockout punch products. About 7% of these are moulds, 1% are hole punch. 

A wide variety of metal knockout punch options are available to you, such as steel, metal. You can also choose from punching mold, forging mould. As well as from vehicle mould, household product. 

There are 205 metal knockout punch suppliers, mainly located in Asia. The top supplying country or region is China, which supply 100% of metal knockout punch respectively. 

Metal knockout punch products are most popular in Southeast Asia, Africa, and North America. 

You can ensure product safety by selecting from certified suppliers, including 34 with ISO9001, 21 with Other, and 12 with ISO14001 certification.