2025年2月8日 · Defines thread specifications, including UNC (Unified National Coarse) and UN8 (8 threads per inch), commonly used for stud bolts. Download the ASME B1.1 pdf standard here. This Standard specifies the thread form, series, class, allowance, tolerance, and designation for unified screw threads.

ASME B1.1 is a Standard that specifies the thread form, series, class, allowance, tolerance, and designation for unified screw threads.

2019年1月1日 · ASME B1.1, Unified Inch Screw Threads, is an integrated system of threads for fastening purposes in mechanisms and structures. Its outstanding characteristic is its general interchangeability of threads, achieved through the standardiza-tion of thread form, diameter-pitch combinations, and limits of size.

2024年9月6日 · What Is ASME B1.1? ASME B1.1-2024 applies to the thread form, series, class, allowance, tolerance, and designation for unified screw threads. This standard covers only [Unified] UN and UNR [external threads only] thread forms.

The next edition of this Standard is scheduled for publication in 2029. This Standard will become effective 1 yr after the Date of Issuance.

2013年4月1日 · ANSI/ASME B1.1 specifies the screw thread form, series, class, allowance, tolerance and designation for unified screw threads. These threads may also be known as unified inch screw threads. ANSI/ASME B1.1 is the base document for the UN-series screw threads and ANSI B1.1 covers the UN-series and the UNR-series.

2019年1月1日 · This standard, ANSI B 1.1, specifies the thread form, series, classes, allowance, tolerance and designations for Unified Screw Threads. (In order to emphasize that Unified Screw Threads are based on...

1991年8月20日 · This standard specifies the thread form, series, class, allowance, tolerance, and designation for unified screw threads. [A] Approved for public release. SCREW THREADS, UNIFIED, (UN AND UNR THREAD FORM). (Notice - Adoption, Tier 2). (1991). Washington DC, United States: United States Department of Defense.

This Standard specifies the thread form, series, class, allowance, tolerance, and designation for unified screw threads. (In order to emphasize that unified screw threads are based on inch modules, they may be denoted unified inch screw threads.)

High-performance ASME B1.1 (Unified Inch Screw Thread) fasteners are our speciality at BigBoltNut. Also known as ANSI B1.1, it uses inch modules as a basis. This standard defines unified screw thread shape, series, class, allowance, and tolerance.