SS-ISO-68-2 › ISO general purpose screw threads — Basic and design profiles — Part 2: Inch screw threads (ISO 68-2:2023, IDT)

SS-ISO-68-2 - 2023 EDITION - CURRENT
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This document specifies the basic and design profiles for ISO inch screw threads (UN and UNR). UN applies to both internal and external threads. UNR only applies to external threads. A flat or rounded root contour, due to the threading process, is specified for UN threads, while only a defined rounded root contour is specified for UNR external threads. This document is applicable to the inch fastening screw threads.

To find similar documents by classification:

21.040.20 (Inch screw threads Including Whitworth screw threads Pipe threads, see 21.040.30)

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Designation Name

SS-ISO 68-2:2023

Revision Level

2023 EDITION

Status

Current

Publication Date

Oct. 11, 2023

Language(s)

English

Page Count

16

International Equivalent

ISO 68-2:2023(IDT)