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About product and suppliers:
        Alibaba.com offers 761 hand knurling products. About 5% of these are nuts, 1% are machining, and 1% are the basis of surgical instruments. 

A wide variety of hand knurling options are available to you, such as stainless steel, plastic. You can also choose from free samples. 

There are 760 hand knurling suppliers, mainly located in Asia. The top supplying countries are China (Mainland), India, and Taiwan, which supply 94%, 2%, and 2% of hand knurling respectively. 

Hand knurling products are most popular in Domestic Market, Western Europe, and Northern Europe. 

You can ensure product safety by selecting from certified suppliers, including 464 with ISO9001, 44 with Other, and 38 with ISO14001 certification.