Lays down the form and dimensions of undercuts for bolts, screws and similar externally threaded products, recommended for use in those cases where it is needed for components such as plugs.
Document identifier
ISO 4755:1983
Title
Fasteners - Thread undercuts for external metric ISO threads
ISO Category
TC 2/SC 7: Reference standards for fasteners (mainly covering terminology, dimensioning, sizes and tolerancing)
Publication date
1983-02-01
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