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About product and suppliers:
        Alibaba.com offers 9,968 insert bit products. About 45% of these are mining machinery parts, 16% are drill bit, and 2% are milling cutter. 

A wide variety of insert bit options are available to you, such as tungsten carbide, high manganese steel, and diamond. You can also choose from well drilling, wood drilling, and metal drilling. As well as from center drill bit, core drill bit, and twist drill bit. And whether insert bit is free samples, or paid samples. 

There are 9,968 insert bit suppliers, mainly located in Asia. The top supplying country is China (Mainland), which supply 100% of insert bit respectively. 

Insert bit products are most popular in North America, Mid East, and Domestic Market. 

You can ensure product safety by selecting from certified suppliers, including 3,986 with ISO9001, 2,006 with Other, and 867 with OHSAS18001 certification.