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About product and suppliers:
        Alibaba.com offers 4,897 slotted head machine screw products. About 55% of these are screws, 1% are self-drilling screws, and 1% are tapping screws. 

A wide variety of slotted head machine screw options are available to you, such as multi-function packaging machine, broaching, and drilling. You can also choose from free samples, paid samples. 

There are 4,897 slotted head machine screw suppliers, mainly located in Asia. The top supplying country is China (Mainland), which supply 100% of slotted head machine screw respectively. 

Slotted head machine screw products are most popular in North America, Domestic Market, and South America. 

You can ensure product safety by selecting from certified suppliers, including 2,385 with ISO9001, 494 with Other, and 177 with ISO14001 certification.