DIN7971 Slotted Pan Head Tapping Screws

      DIN7971-1990 is the same with ISO1481- 1983 and ISO1481- 2011.

      Slotted pan head tapping screws, the cost is a little higher than  cross pan head tapping screws , but the advantage is that don't use with nut, save the cost of nut.  As we know , there has many standard and size. DIN7971 Slotted pan head tapping screws is a  common screws ,  as follows .

    Each standard has different size,we can not list all the details  let you know , but we can promise that we can manufacture most types screws in foreign fastener market . 
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