ISO 68:2023
ISO 68:2023 ISO general purpose screw threads – Basic and design profiles – Part 2: Inch screw threads
CDN $124.00
Description
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.
Edition
2
Published Date
2023-10-05
Status
PUBLISHED
Pages
8
Language
English
Format
Secure PDF
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Abstract
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.
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