IS 18471 : 2025 Fasteners - Drilling Screws with Tapping Screw Thread - Specification
(Superseding 18476 : 2023)
1 SCOPE
This standard specifies the characteristics of drilling screws with tapping screw threads from size ST 2.9 up to and including ST 6.3.
2 REFERENCES
The standards listed in Annex A contain provisions which, through references in this text, constitute provisions of this standard. At the time of publication, the editions indicated were valid. All standards are subject to revision, and parties to agreements based on this standard are encouraged to investigate the possibility of applying the most recent edition of these standards.