scope:

This Standard specifies the characteristics of hexagon washer head tapping screws with threads from ST2.2 up to and including ST8.

NOTE : The International Standard corresponding to this Standard and the symbol of degree of correspondence are as follows:

IS0 7053 : 1992 Hexagon washer head tapping screws (MOD)

The symbols which denote the degree of correspondence in the contents between the relevant International Standard and JIS are IDT (identical), MOD (modified), and NEQ (not equivalent) according to ISO/ IEC Guide 21.