Codes & Standards - Purchase
ISO 68-2:2023
ISO general purpose screw threads — Basic and design profiles — Part 2: Inch screw threads
SKU: iso_085106_186255
Published by ISO
Publication Year 2023
2 Edition
8 pages
Product Details
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.
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.