ISO - 68-2
ISO general purpose screw threads — Basic and design profiles — Part 2: Inch screw threads
active, Most Current
| Organization: | ISO |
| Publication Date: | 1 October 2023 |
| Status: | active |
| Page Count: | 14 |
| ICS Code (Inch screw threads): | 21.040.20 |
scope:
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.
Document History
68-2
October 1, 2023
ISO general purpose screw threads — Basic and design profiles — Part 2: Inch screw threads
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...
January 1, 2020
ISO general purpose screw threads — Basic profile — Part 2: Inch screw threads AMENDMENT 1
A description is not available for this item.
December 15, 1998
ISO General Purpose Screw Threads - Basic Profile Part 2: Inch Screw Threads
This part of ISO 68 specifies the basic profile for ISO inch screw threads.